DWPA Quality Turbine Inspection - R00 V105 3.45MW Mk3A

• Vestas - Quality InspectionTurbine

  Select

• Inspection date

  Date

• Name of Inspector

• Location
  Address

• Pad condition, no debris around, space for maneuvers

  Good

  Fair

  Poor

  N/A

• Concrete (and Sealing) around tower

  Good

  Fair

  Poor

  N/A

• Bolts protections, cups and anti-corrosion spray

  Good

  Fair

  Poor

  N/A

• Check for paint damage Outside the tower

  Compliant

  Non-Compliant

  N/A

• Check that stairs are installed correctly.

  Good

  Fair

  Poor

  N/A

• Earth cable connection ( if apply)

  Compliant

  Non-Compliant

  N/A

• Check for tower door misalignment, rubber seal and air filter conditions

  Compliant

  Non-Compliant

  N/A

1. Turbine Data

• Inspector

  Select

• Country:

• Region name:

• Site Name

• Turbine Serial No

• WTG Pad No

• Turbine Type

• MK Version

• Nominal Power kW

• Software version:

• Power curve according to specifications ( take from SCADA system)

  Yes

  No

  N/A

• Turbine Startup date

• Total Production

• Run Hours

• Hours Total

(Turbine Inspection)

• Date last task performed:

  Date

• Task performed

• Turbine status at arrival at turbine:

• Turbine status after inspection:

  Select

• Active Warnings / Alarms Status

• Check menu 6 Temperatures

  Compliant

  Non-Compliant

  N/A

Ground Controller / Bottom Controlller / Tower Base

• Lights

  Compliant

  Non-Compliant

  N/A

• Emergency lights

  Pass

  Fail

  N/A

• Signals (correct install, visual, and status condition)

  Good

  Fair

  Poor

  N/A

• Tower Base / GroundController / Bottom controller general view

  Good

  Fair

  Poor

  N/A

• Test Mode selectors key (++01-615-08-S1) modes 2, 3 or 4

  Good

  Fair

  Poor

  N/A

• Electric single Line schematic on the cabinet door (if apply)

  Yes

  No

  N/A

• Check Inspection TAG of stairs, installed correctly, earth cable connection

  Pass

  Fail

  N/A

• Is access to Nacelle/Tower clearly marked as "NOT ALLOWED" ?

  Yes

  No

  N/A

• Check the torque mark of stairs bolts

  Pass

  Fail

  N/A

• Cable work (electric cables and plugs)

  Good

  Fair

  Poor

  N/A

• Communication Box, cables, and connections

  Good

  Fair

  Poor

  N/A

• Check internal foundation bolt's torque marks and date

  Good

  Fair

  Poor

  N/A

• Check dehumidifier adequately installed (if applicable)

  Yes

  No

  N/A

• Check inside all Cabinets for dirt/dust, door latches, and hinges

  Good

  Fair

  Poor

  N/A

• Check Grounding on the base tower (proper connection in bounding bar, if present). Test continuity with Fluke

  Good

  Fair

  Poor

  N/A

• Check Inspection Tag of service lift / Climber helper

  Pass

  Fail

  N/A

• is access to service lift marked as "NOT ALLOWED"?

  Yes

  No

  N/A

• Inspection of service lift / Climber helper

  Pass

  Fail

  N/A

• Is access to service lift marked ad "Access NOT ALLOWED, Do NOT use"?

  Yes

  No

  N/A

• Cabinets Number and Serial Number and picture of the Nameplate

  Drawing

• Controller Cabinet : Function, conditions inside the cabinet, fans and heating function, connections, cabling

  Drawing

• UPS : Function, conditions inside the cabinet, fans and heating function, connections, cabling, batteries

  Drawing

• UPS - check settings of timers and contractors. UPS test.

  Drawing

• Cabinet on the ground:Function, conditions inside the cabinet, fans and heating function, connections, cabling (extra)

  Drawing

• Cabinet on the ground: Function, conditions inside the cabinet, fans and heating function, connections, cabling (extra)

  Drawing

• Cabinet on the ground: Function, conditions inside the cabinet, fans and heating function, connections, cabling (extra)

  Drawing

• Cabinet on the ground: Function, conditions inside the cabinet, fans and heating function, connections, cabling (extra)

  Drawing

• Switchgear conditions (SF6 level, Instructions/signs, paint damages, electrical and mechanical functionality)

  Compliant

  Non-Compliant

  N/A

• Trip Test Switchgear

  Compliant

  Non-Compliant

  N/A

• Check the power cables from the tower control cabinet are connected to the HV switchgear is connected correctly.

  Compliant

  Non-Compliant

  N/A

• Test Control reconnect of HV Switchgear

  Compliant

  Non-Compliant

  N/A

• Check KEY interlock system (key of trafo room)

  Compliant

  Non-Compliant

  N/A

• Test Emergency Button

  Compliant

  Non-Compliant

  N/A

• Corrosion on electrical parts, cabinets

  Yes

  No

  N/A

• Corrosion on Mechanic parts

  Yes

  No

  N/A

• Visual check for overall cleanliness

  Good

  Fair

  Poor

  N/A

Tower

• Check Ladder (damaged parts, loosen bolts, supports)

  Pass

  Fail

  N/A

• Gates hatch in platforms are functioning properly

  Yes

  No

  N/A

• Check Safety Cable (and clips) / Safety Rail are in place on the ladder / (Fall arrest cable or guide rail)

  Pass

  Fail

  N/A

• Anchor points mounted present and condition

  Good

  Fair

  Poor

  N/A

• Plate with batch number mounted on bolts (bolts for tower flanges)

  Compliant

  Non-Compliant

  N/A

• Check the flange bolt's torque 1' (date, initials, torque mark, washer installed correctly)

  Drawing

• Check the flange bolt's torque 2' (date, initials, torque mark, washer installed correctly)

  Drawing

• Check the flange bolt's torque 3' (date, initials, torque mark, washer installed correctly)

  Drawing

• Check the flange bolt's torque 4' (date, initials, torque mark, washer installed correctly)

  Drawing

• Check the flange bolt's torque 5' (date, initials, torque mark, washer installed correctly)

  Drawing

• Check for paint damage inside the tower

  Drawing

• Spray (Corrosion protection) applied on bolts

  Yes

  No

  N/A

• Oxidation on surfaces

  Yes

  No

  N/A

• Lights and Sockets working properly and in good conditions (for each tower section)

  Good

  Fair

  Poor

  N/A

• Grounding cables installed correctly using bolt and washer, no paint around the contact area, and torque mark

  Compliant

  Non-Compliant

  N/A

• Cable work (Power, communication, ground and aux cables) up the tower is neat, secured, and free of damage

  Good

  Fair

  Poor

  N/A

• Communication cable (protect and correctly install)

  Good

  Fair

  Poor

  N/A

• Cable protections correctly mounted and in the correct position

  Good

  Fair

  Poor

  N/A

• Visual check for overall cleanliness

  Good

  Fair

  Poor

  N/A

Yaw Platform / Yaw System

• Test Lubrification pump (Autolube)

  Compliant

  Non-Compliant

  N/A

• Yaw ring and pinions teeth Lubrication

  Good

  Fair

  Poor

  N/A

• Test emergency button

  Compliant

  Non-Compliant

  N/A

• Check Yaw Claw Automatic Lubrication System

  Good

  Fair

  Poor

  N/A

• Visual check for bolt connection Yawring/ tower flange

  Good

  Fair

  Poor

  N/A

• Check the correct torque of bolts Yaw drives/main frame (date, initials, torque mark, washer installed correctly)

  Drawing

• Check that cables are securely tightened / no rubbing marks

  Good

  Fair

  Poor

  N/A

• Visual inspection of Yaw cabinet (cable work, contactors, relays,..)

  Compliant

  Non-Compliant

  N/A

• Check if the paint are removed before ground cables are mounted

  Good

  Fair

  Poor

  N/A

• Check plugs of Yaw motors

  Compliant

  Non-Compliant

  N/A

• Check lock preload radial pressure plates

  Yes

  No

  N/A

• Check preload of spring packages for clawbeams (axial pressure plates)

  Yes

  No

  N/A

• Check yaw gear (measure consumption of yaw motors) / Oil Level / Leakages

  Drawing

• Check the vibration (oscillation) sensor and cable connection

  Good

  Fair

  Poor

  N/A

• Check the yaw positions (cable twist) sensor and cable connection

  Good

  Fair

  Poor

  N/A

• Listen for abnormal noise when the nacelle yaw CW and CCW

  Compliant

  Non-Compliant

  N/A

• Take Serial Number, and picture of the Name plate for nacelle

  Media

• Oil, dirtiness, marks, on the yaw platform

  Good

  Fair

  Poor

  N/A

• Yaw light and plugs are mounted correctly and working

  Good

  Fair

  Poor

  N/A

• Visual check for cleanliness on and around yaw platform

  Good

  Fair

  Poor

  N/A

Gearbox

• Gearbox (Take a picture of the plate)

  Media

• Gearbox Oil level

  Compliant

  Non-Compliant

  N/A

• Check Gearoil calibration using document 0082-2117 point 45

  Compliant

  Non-Compliant

  N/A

• Gearbox -type of oil

• Gearbox Air Filter in good condition

  Compliant

  Non-Compliant

  N/A

• Leakages in hoses, joints, junctions, etc

  Good

  Fair

  Poor

  N/A

• Using the Magnet, check for debris on the Gearbox

  Compliant

  Non-Compliant

  N/A

• Check swarf (plug and installation)

  Compliant

  Non-Compliant

  N/A

• Test Gear oil Pump

  Compliant

  Non-Compliant

  N/A

• Visual inspection gear oil station

  Compliant

  Non-Compliant

  N/A

• Check the valve of gravity thank

  Compliant

  Non-Compliant

  N/A

• Check off-line filter is operating (no air in the system, difference between pressure before and after filtration)

  Compliant

  Non-Compliant

  N/A

• Check the intercooler system of the gear oil

  Good

  Fair

  Poor

  N/A

• Listen for abnormal noise from bearings and for gearbox transmission (Manual at low RPM)

  Compliant

  Non-Compliant

  N/A

• Visual inspection of Shrink disk (torque marks)

  Compliant

  Non-Compliant

  N/A

• Gearbox alignment / Dampers' conditions/dust of rubber/ marks

  Good

  Fair

  Poor

  N/A

• Test brake system

  Compliant

  Non-Compliant

  N/A

• Check brake disc condition (corrosion, cracks, torque marks)

  Good

  Fair

  Poor

  N/A

• Check Brake pads and thermistors (plug, cable, and connections)

  Compliant

  Non-Compliant

  N/A

• Check brake disc pipes, pipe connections, and leakdge

  Compliant

  Non-Compliant

  N/A

• Request Gearbox inspection

  Yes

  No

  N/A

• (Slip Ring - Rotation Unit) Visual internal inspection

  Good

  Fair

  Poor

  N/A

• (Slip Ring - Rotation Unit) Check fixed position of the slip ring body

  Good

  Fair

  Poor

  N/A

• (Slip Ring - Rotation Unit) Check cables connection

  Compliant

  Non-Compliant

  N/A

• (Slip Ring - Rotation Unit) Check communication cables and signal power

  Compliant

  Non-Compliant

  N/A

• (Slip Ring - Rotation Unit) Check oil leakage

  Compliant

  Non-Compliant

  N/A

• Leakages in hoses, joints, junctions, etc

  Compliant

  Non-Compliant

  N/A

• Visual inspection of Coupling / flexible elements / composite parts / steel laminae parts

  Compliant

  Non-Compliant

  N/A

• inspection of torque bolts (Coupling)

  Compliant

  Non-Compliant

  N/A

• Inspection of Coupling protection

  Compliant

  Non-Compliant

  N/A

• Gearbox visual check for cleanliness

  Good

  Fair

  Poor

  N/A

Hydraulics

• Hydraulic - Hydraulic station manufacture

• Hydraulic Oil Level

  Compliant

  Non-Compliant

  N/A

• Hydraulic oil type

  Compliant

  Non-Compliant

  N/A

• Test Hydraulic pumps (1 & 2 pumps)

  Compliant

  Non-Compliant

  N/A

• Hydraulic Working pressures (main pressure, relief valve)

  Compliant

  Non-Compliant

  N/A

• Hydraulic Air Filter condition

  Yes

  No

  N/A

• Precharged Pressure on Accumulators (warnings or alarms of pressure) - test of accumulators

  Drawing

• Test emergency valves

  Compliant

  Non-Compliant

  N/A

• Hydraulic Testings ( pressure, valves, heating, relive valve pressure,

  Compliant

  Non-Compliant

  N/A

• Hydraulic station leakage

  Compliant

  Non-Compliant

  N/A

• Cables connections

  Compliant

  Non-Compliant

  N/A

• Corrosion on the hydraulic manyfold

  Yes

  No

  N/A

• Overview of hydraulic station

  Compliant

  Non-Compliant

  N/A

• Test Emergency Button

  Compliant

  Non-Compliant

  N/A

• Check Rotor lock hand pump

  Compliant

  Non-Compliant

  N/A

Generator

• Generator (Take a picture of the plate)

  Media

• Visual inspection of generator

  Good

  Fair

  Poor

  N/A

• Torque check (mark) of the bolts

• Generator alignment form (check the alignment values)

  Compliant

  Non-Compliant

  N/A

• Lubrication on generator (grease container/pump, pipes, outlet)

  Compliant

  Non-Compliant

  N/A

• Listen for abnormal noise from bearings (Low RPM)

  Yes

  No

  N/A

• Visual inspection of Cooling system

  Yes

  No

  N/A

• Test cooling Pump ( if apply), Check leakages and pressure of circuit

  Compliant

  Non-Compliant

  N/A

• Visual inspection of Encoder

  Yes

  No

  N/A

• Check Stator isolation (Meger / Motor test) and overall generator status

  Pass

  Fail

  N/A

• Visual inspection of Stator cables

  Yes

  No

  N/A

• Check Rotor isolation (Meger / Motor test) and overall generator status (if apply)

  Yes

  No

  N/A

• Visual inspection of Power Slip ring (if apply)

  Yes

  No

  N/A

• Visual inspection of Brush

  Yes

  No

  N/A

• Visual inspection of face contact on Slip Ring

  Yes

  No

  N/A

• Visual inspection of Earth brush

  Yes

  No

  N/A

• Test fan of power slip ring and visual inspection of pipes

  Yes

  No

  N/A

• Visual inspection of the covers

  Yes

  No

  N/A

• Visual check for cleanliness

  Yes

  No

  N/A

Main shaft

• Visual inspection of Main shaft

  Good

  Fair

  Poor

  N/A

• Visual inspection of Lubrification system

  Compliant

  Non-Compliant

  N/A

• Test lubrification system

  Compliant

  Non-Compliant

  N/A

• Leakages in Main Bearing seals

  Compliant

  Non-Compliant

  N/A

• Check the adjustment of RPM sensors (2mm)

  Compliant

  Non-Compliant

  N/A

• Listen for abnormal noise from bearings (Low RPM)

  Compliant

  Non-Compliant

  N/A

• Visual inspection of torque marks on bolts

  Compliant

  Non-Compliant

  N/A

• Test Emergency button

  Compliant

  Non-Compliant

  N/A

• Visual check for cleanliness

  Good

  Fair

  Poor

  N/A

Nacelle

• Visual inspection of nacelle

  Yes

  No

  N/A

• Cabinets, serial number

  Media

• Nacelle Structure Condition (Fiber Glass, missing bolts, misalignments, hatches, sealings, etc)

  Compliant

  Non-Compliant

  N/A

• Visual inspection of Top controller (DCN, Plugs, cables and LED's,..)

  Good

  Fair

  Poor

  N/A

• Test Mode selectors key (++01-615-08-S2) modes 2, 3 or 4

  Compliant

  Non-Compliant

  N/A

• Visual inspection of TTswitch (plugs and LED's).

  Good

  Fair

  Poor

  N/A

• Visual inspection of UPS and batteries

  Compliant

  Non-Compliant

  N/A

• Check Relays settings (contactors)

  Compliant

  Non-Compliant

  N/A

• Check plugs and cable work

  Compliant

  Non-Compliant

  N/A

• Test Emergency buttons

  Compliant

  Non-Compliant

  N/A

• Test -Trip of switchgear

  Compliant

  Non-Compliant

  N/A

• Inspection of Smoke detector system

  Compliant

  Non-Compliant

  N/A

• Visual inspection of hatch (actuators of Nacelle and transformer)

  Compliant

  Non-Compliant

  N/A

• Visual inspection of fans and test

  Compliant

  Non-Compliant

  N/A

• Service Crane working properly (Inspection Tag)

  Compliant

  Non-Compliant

  N/A

• Service Crane Chain Lubricated properly

  Good

  Fair

  Poor

  N/A

• Rescue Control (Inspection Tag, Security Clips mounted)

  Pass

  Fail

  N/A

• Fire Extinguishers Inspected and proper conditions

  Pass

  Fail

  N/A

• Lights and Sockets working properly and in good conditions

  Compliant

  Non-Compliant

  N/A

• Main Frame Visual inspection for cracks and corrosion

  Compliant

  Non-Compliant

  N/A

• Electrical Oxidation and Dirt

  Yes

  No

  N/A

• Overall cleanliness

  Compliant

  Non-Compliant

  N/A

Converter / CubePower / FlexPower

• VPC type and serial number

• Visual inspection of VPC (plugs, batterie, cable work)

  Good

  Fair

  Poor

  N/A

• Visual inspection (Cable work and connections)

  Good

  Fair

  Poor

  N/A

• Check the batterie of VPC

  Compliant

  Non-Compliant

  N/A

• Visual inspection of cabinets (Line and Machine side)

  Good

  Fair

  Poor

  N/A

• Visual inspection of Breakers and settings

  Compliant

  Non-Compliant

  N/A

• Check Tru-Card (color) Plugs and cable work

  Compliant

  Non-Compliant

  N/A

• Visual inspection of relay arc detector relay ) check menu 11.188 for arc system ok and test one sensor.

  Compliant

  Non-Compliant

  N/A

• Visual inspection of Fuses, Capacitors and Aux Breakers

  Compliant

  Non-Compliant

  N/A

• Check the cooling system (air - test the fans and water check for leakage and test pump) (water check pressure of circuit)

  Compliant

  Non-Compliant

  N/A

• Check for dry bags (need to be removed if the turbine is in Run) - (from all cabinets)

  Compliant

  Non-Compliant

  N/A

• Inspection of arc vent (if have damaged or broken )

  Compliant

  Non-Compliant

  N/A

• Test Emergency button

  Compliant

  Non-Compliant

  N/A

• Overall cleanliness

  Good

  Fair

  Poor

  N/A

Cooling

• Visual inspection Of Pumps

  Good

  Fair

  Poor

  N/A

• check for leakages on the circuit and the clamps are tight

  Compliant

  Non-Compliant

  N/A

• Visual inspection of 3 way valve ( need to be open and blocked)

  Compliant

  Non-Compliant

  N/A

• Check electrical 3-way valve (need to be in normal operation)

  Compliant

  Non-Compliant

  N/A

• Check menu 11.111 test signal for close

  Compliant

  Non-Compliant

  N/A

• Visual inspection of heater exchange

  Compliant

  Non-Compliant

  N/A

• Check cooler level

  Good

  Fair

  Poor

  N/A

• Visual inspection of level sensor

  Good

  Fair

  Poor

  N/A

• Visual inspection of cooler thank

  Good

  Fair

  Poor

  N/A

• Test cooler system

  Pass

  Fail

  N/A

• Check pressure and level of Gearbox/Hydraulic and CONV/GEN cooling

  Select Pass Fail N/A

  • Pass
  • Fail
  • N/A

• Pass

  Fail

  N/A

Roof

• Visual inspection of Roof

  Good

  Fair

  Poor

  N/A

• visual inspection of bolts and sealing of roof

  Good

  Fair

  Poor

  N/A

• Visual inspection of the anchorage Points

  Pass

  Fail

  N/A

• Oxidation at anchorage points and support

  Yes

  No

  N/A

• Visual inspection of top radiators (leakage and damage) and sensor (if apply)

  Good

  Fair

  Poor

  N/A

• Inspection of cooler pipes (clamps tight)

  Good

  Fair

  Poor

  N/A

• Visual inspection of the Wind sensors Condition (FT, US, Wind Vane, Anemometers) Support, plugs, and cables

  Good

  Fair

  Poor

  N/A

• Alignment of wind sensors

  Compliant

  Non-Compliant

  N/A

• Aviation Light ( test and cable work)

  Compliant

  Non-Compliant

  N/A

Transformer

• Transformer manufacturer and serial number

  Media

• Interlocking system conditions (proper installation, keys postition, damages)

  Compliant

  Non-Compliant

  N/A

• Transformer Condition (cracks, spark marks, cleanness)

  Compliant

  Non-Compliant

  N/A

• Cables Condition (cabler working, termination, damaged isolation)

  Good

  Fair

  Poor

  N/A

• Visual inspection of the 3 phases (L1,L2, and L3) of the HV cable (-415-W1) are connected correctly (-415-T1)

  Good

  Fair

  Poor

  N/A

• Visual inspection of coils (L1, L2, L3)

  Compliant

  Non-Compliant

  N/A

• Condition of Trafo cabinet (loosen cables, doors)

  Yes

  No

  N/A

• Inspection of torque (marks of torque) if possible check on bolt from different sizes

  Compliant

  Non-Compliant

  N/A

• Test Arc detection system

  Compliant

  Non-Compliant

  N/A

• Inspection of the Fire system

  Compliant

  Non-Compliant

  N/A

• Test cooling system (fans)

  Compliant

  Non-Compliant

  N/A

• Visual inspection of Earth connection

  Compliant

  Non-Compliant

  N/A

• Visual inspection of PT100 connections

  Compliant

  Non-Compliant

  N/A

• Visual inspection of HV busbar clearance (start or delta connection of transformer ) and check Power Tapes

  Compliant

  Non-Compliant

  N/A

• Visual inspection of trafo room

  Compliant

  Non-Compliant

  N/A

• Overall cleanliness

  Good

  Fair

  Poor

  N/A

HUB/Blades

• Visual inspection of Rotor Lock pins

  Compliant

  Non-Compliant

  N/A

• Visual inspection of lubrification of pin lock

  Good

  Fair

  Poor

  N/A

• Visual inspection of lock Rotor lock disc (marks, cracks,..0

  Good

  Fair

  Poor

  N/A

• Visual inspection (marks of torque ) Rotor

  Compliant

  Non-Compliant

  N/A

• Test Emergency button

  Compliant

  Non-Compliant

  N/A

• Visual inspection of LCTU

  Compliant

  Non-Compliant

  N/A

• Check three blade Cover ( loosen, and mounted in correct position)

  Good

  Fair

  Poor

  N/A

• Visual inspection of Blade Lubrification system

  Good

  Fair

  Poor

  N/A

• Visual inspection of blade bearing Outside seals

  Drawing

• Visual inspection (toque marks of Blade bolts)

  Drawing

• Check for damage on nose cone support and fiber glass and bolts

  Drawing

• Lights working properly and in good conditions

  Compliant

  Non-Compliant

  N/A

• Cable working

  Good

  Fair

  Poor

  N/A

• Overall Condition (leakages, connectors, Plugs, pitch cylinders, linear transducers, valves)

  Good

  Fair

  Poor

  N/A

• Lubrication. Check grease storage bottles (if apply)

  Compliant

  Non-Compliant

  N/A

• Visual inspection Blade bearing inside Seals

  Compliant

  Non-Compliant

  N/A

• Leakages on the lubrication system and blade

  Pass

  Fail

  N/A

• Check pitch Cylinders (movements, bolts, noise)

  Good

  Fair

  Poor

  N/A

• Check accumulators and test (4 accumulators =110 +/- 3 bar

  Drawing

• Emergency valves test faster V117 47.0 mm/sec ± 4.6 mm/sec V136 38.9 mm/sec ± 3.8 mm/sec V150 30.8 mm/sec ± 3 mm/sec

  Drawing

• Emergency valves test slow V117 8.0 mm/sec ± 1.5 mm/sec V136 7.8 mm/sec ± 1.4 mm/sec. V150 6.3 mm/sec ± 1.1 mm/sec.

  Drawing

• Pitch speed test

  Drawing

• Proportional valves test

  Drawing

• Visual inspection of HUb controller

  Good

  Fair

  Poor

  N/A

• Visual inspection DCN (cable work, plugs, communication, and protection)

  Compliant

  Non-Compliant

  N/A

• Check UPS and batteries and test

  Pass

  Fail

  N/A

• Test Safety mode (Pump start and move the 3 blades)

  Compliant

  Non-Compliant

  N/A

• Check the blade lock pins (work correctly)

  Pass

  Fail

  N/A

• Visual inspection of Blade controllers and cable works

  Good

  Fair

  Poor

  N/A

• Visual inspection of Load sensors (measure correctly)

  Pass

  Fail

  N/A

• Check the Positive end stop of the blade 94.5' and TC mark is less than -4' (Pitch range -4 to 94.5)

  Pass

  Fail

  N/A

• Check blade encoders (blade A, B, C)

  Pass

  Fail

  N/A

• Check TC mark alignment

  Pass

  Fail

  N/A

• Check for dry bags ( need to be removed)

  Yes

  No

  N/A

• Oxidation & dirtiness on HUB

  Yes

  No

  N/A

• Listen for abnormal noises (unlock the Rotor and Low RPM)

  Compliant

  Non-Compliant

  N/A

• Visual Blades inspection

  Compliant

  Non-Compliant

  N/A

• Overall cleanliness

  Good

  Fair

  Poor

  N/A

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