# SDR FDEA202608291251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2026
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N969FD](https://openairdocs.org/aircraft/N969FD), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 28164
- Aircraft time: 73,942 hours, 25,970 cycles
- System (JASC): [2752 · Trailing Edge Flap Actuator](https://openairdocs.org/jasc/2752)
- Part: Transmission
- Part number: 251N402231
- Part serial: 315
- Condition: Tripped
- Location: Zone 600
- Stage of operation: AP
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202608291251

## Discrepancy

DURING APPROACH, RECEIVED A TE FLAP DISAGREE. RAN QRH & DECLARED AN EMERGENCY, LANDED  UNEVENTFULLY. INSPECTED OVERLOAD INDS ON LT & RT, INBD & OTBD  FLAPS & FOUND RT INBD FLAP INBD TRANSMISSION  OVERLOAD IND TRIPPED.  UPON ENTERING FLIGHT DECK FOUND LE ALTERNATE SWITCH  IN ALTERNATE & TE SWITCH ALTERNATE SWITCH IN NORMAL WITH ALTERNATE FLAP SWITCH SET TO 25 & FLAP HANDLE AT 25, FLAP INDICATION AT 20.  T/E FAULT LIGHT ILLUMINATED & TE  FLAPS DISAGREE FAULT MESSAGE PRESENT.  INSPECTED  FLAPS & FOUND SEVERAL BALL SCREWS & GIMBLES DRY.  CLEANED & LUBED TE FLAP SYSTEM IAW AMM 12-21-09-3. INSPECTED FLAP XMISSIONS,  DRAINED & SERVICED XMISSION 1 - 4 & 6 - 8 IAW AMM 12-13-06-3.  FOUND NR 5 FLAP XMISSION OVERTORQUE BUTTON TRIPPED,  REPLACEMENT, SERVICE &  LUBE OF NR 5 XMISSION,  NR 5 TE FLAP SYS.    AMM: 27-58-01-5  R & R RT INBD NR 5 & 8 FLAP XMISSION IAW AMM 27-51-06-4, OPS TEST OK

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