# SDR USAA2011102400010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2011
- Submitted: October 24, 2011
- Operation: Air carrier
- Aircraft: N455UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24997
- Aircraft time: 55,503 hours, 36,629 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: 6546434302MC1340
- Part serial: 1340
- Condition: Debonded
- Location: Rt Wing
- Part time: 31,400 hours, 21,211 cycles
- 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/USAA2011102400010

## Discrepancy

C4 CHECK - AREA OF DISBONDING ON RIGHT INBOARD AFT FLAP APPROX 12 INCHES FROM INBOARD END ON LOWER SURFACE.  REPLACED RIGHT INBOARD AFT FLAP ASSEMBLY IAW B737 AMM 27-51-11.

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