SDR FDEA201409112566

Service difficulty report · Gearbox · Boeing 7572G5

Difficulty date: September 11, 2014
Submitted: September 11, 2014
Operation: Air carrier
Aircraft: N943FD
Make and model: Boeing 7572G5
Aircraft serial: 23929
Aircraft time: 67,208 hours, 23,962 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Gearbox
Condition: Low
Location: Te Flap
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: B

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON APPROACH TE FLAP DISAGREE EICAS WARNING WHEN SELECTING FLAPS 25. FLAPS REMAINED AT 20 RAN QRH PROCEDURE, LANDED UNEVENTFULLY AT FLAPS 20. AMM SMP FOUND FAULT MSG FLAP DISAGREE 305 IN NR 1 FSEU. PROCEEDED TO TROUBLESHOOT IAW FIM 27-5 1 FT 808 FOUND OVERLOAD INDICATOR TRIPPED ON RT IN FLAP DRIVE. PROCEEDED WITH FIM RESET OVERLOAD INDICATOR FOUND GEARBOX LOW SERVICE TO FULL. OPERATED 5 TIMES OPERATIONS CHECKED GOOD.

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