# SDR FDEA202605080570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2026
- Submitted: May 11, 2026
- Operation: Air carrier
- Aircraft: [N939FD](https://openairdocs.org/aircraft/N939FD), registered now
- Make and model: Boeing 757-23A
- Registry model: [Boeing 757-23A](https://openairdocs.org/model/boeing-757-23a) (OpenAirDocs)
- Aircraft serial: 24528
- Aircraft time: 67,570 hours, 26,695 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Condition: Damaged
- Location: Zone 500
- Component: Aileron, Boeing
- Component part number: 113N710051
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202605080570

## Discrepancy

LH OUTBOARD AILERON TRAILING EDGE HAS DAMAGE, MARKED WITH TAPE. REPAIRED DAMAGE ON L/H O/B AILERON AT WS 796.26 IN REF TO B757 SRM 57-60-01-2R FIG 201 SH   2 AND B757 SRM 51-70-05-0G FIG 5. CALCULATED NEW BALANCE MOMENT FOR L/H O/B AILERON   TO BE -12.30 POUNDS-INCH. SEE JPF FOR WORK PERFORMED AND WEIGHT AND BALANCE   CALCULATIONS.

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