Aircraft Maintenance

  • Select type of aircraft

  • Engine TBO (extensions?)

  • Prop TBO (hours and year)

  • Are Overhaul and time-life limits being tracked?
    Spot check Appendix 32 items

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  • Suggestion

  • How is Oil filter inspection accomplished?

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  • Suggestion

  • Is the Corrosion Control Program being followed?

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  • Suggestion

  • Have required modifications been incorporated?
    a) EDM-700 800
    b) Annunciator panel: oil pressure, vacuum, low volt, starter, aux pump (JPI digital CHT optional)
    c) S-Frame seats (modified center and rear)
    d) New TSO belts
    e) M-20 oil separator
    f) Control column cover (MA2004-10)
    g) Wing mounted mirror
    h) Backup system for IFR
    i) Pullable 55 AMP CB - Alternator (MA1989-14)
    j) Brake Cylinder Steel Support Bracket (MA1999-03)
    k) Rudder pedal reinforced stub tube
    l) Cargo door handle spring
    m) MA1992-03R1 steel firewall fittings

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  • Suggestion

  • Are there any other modifications and have they been approved?

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  • Suggestion

  • Is the electrical equipment functioning properly?
    a) 3-speed aux fuel pump switch
    b) Flint transfer pumps
    c) ELT: Test (NOT 406) and battery date
    d) Exterior lights, stall horn, pitot heat
    e) Flaps: Switch detent condition and cargo door switch

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  • Suggestion

  • Are Flint tanks installed and maintained correctly?
    a) Placards: (see checklist)
    b) No strobes on flints
    c) If not used, disabled IAW MA1998-01

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  • Suggestion

  • Are there any airworthiness issues?
    a) Control yokes (excess play)
    b) Brake disc minimum thickness
    c) Safety roll pins: engine controls
    d) Muffler cones
    e) Hoses/wires loose or chaffing
    f) Seals/baffles intact
    g) Aeroduct “SCAT” hose installation (SMP-02)
    h) Tire Stickers(SMP11)
    i) Inflation Checks (SMP11)

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  • Suggestion

  • Engine TBO (extensions?)

  • Prop TBO (hours and year)

  • Spot check Pratt & Whitney PT6A Engine Accessory Overhaul Requirements

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  • Suggestion

  • Are the training, parts and tools to perform specialized maintenance available?
    a) Parts, tools and training to split an engine
    b) Calibration of torque indicator & ITT system
    c) Megohmmeter to check static wicks
    d) Stack of resistors for fuel calibration check

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  • Suggestion

  • What are the Trend Monitoring recording and reporting procedures?
    a) Recorded daily or 6 hrs of flight, whichever is sooner
    b) Part of Daily Operations Records
    c) Enter this data at least weekly into a Data Analysis Center (DAC)

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  • Suggestion

  • How is the Data Plate Speed or Performance Check performed and documented?
    a) 100 hour intervals and coincide with airframe periodic inspections or other approved inspection program.
    b) Verify that data is recorded with the engine’s permanent records.

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  • Suggestion

  • What are the procedures for Compressor Washes/Rinses?

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  • Suggestion

  • Wash / Rinse Frequency

  • How is Oil filter inspection accomplished?
    a) Every 100 hrs – send in promptly

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  • Suggestion

  • How are components tracked?
    a) Engine rotating components and accessories shall be tracked with time and cycles as recommended by the manufacturer. These records must be noted in the engine maintenance logs as appropriate.
    b) Each program shall track components and major accessories. Any changing or replacing of these items shall be recorded with times, serial numbers, etc.

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  • Suggestion

  • What is the procedure for Fuel Nozzle Inspection and how often is it performed?
    a) Spray AND Leak test
    b) 200 initial or questionable fuel source
    c) 300 after 3 200-hr. inspections
    d) 400 after 3 300-hr. inspections
    e) Source for cleaning – if MAF do they have training and if outside vendor are they approved?

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  • Suggestion

  • When are Special Inspections performed? How are they tracked?
    a) First Stage Compressor Blade Inspection (AOM 2.2.2.6.2.)
    i) 300 hours AOM? 200 hours/phase card inspection?
    b) Integral Fuel Tank Internal Inspection (AOM 2.2.2.8)
    c) Borescope
    i) 400 hours (AOM 2.2.2.6.1.)
    ii) Exhaust pipe (SIL PT6A-116R1) Trailing edge of CT blades for cracks
    d) Propeller Dynamic Balance (AOM 2.2.12.4)
    i) Shall be accomplished within ten (10) hours of installation.
    ii) Shall be accomplished at intervals of no more than 400 hours.

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  • Suggestion

  • Is the Corrosion Control Program being followed?

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  • Suggestion

  • Are the proper controls/safeties in place?
    a) Caravan - Quadrant steel reinforced tab; Standby flap switch & EPL wired – frangible
    b) Tire Stickers(SMP11)
    c) Inflation Checks (SMP11)

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  • Suggestion

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