# SDR USAA2012120700007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2012
- Submitted: December 7, 2012
- Operation: Air carrier
- Aircraft: N450UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24933
- Aircraft time: 58,770 hours, 38,667 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: 6546434302MC
- Part serial: 1627
- Condition: Delaminated
- Location: Rt Wing
- 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/USAA2012120700007

## Discrepancy

PREFLIGHT - RIGHT INBOARD AFT FLAP DELAMINATED AT TRAILING EDGE FOUR (4) INCHES INBOARD OF OUTBOARD END.  REMOVED AND REPLACED AFT FLAP IAW B737-400 AMM 27-51-11-404-008.

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