# SDR USAA920071381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2007
- Submitted: December 28, 2007
- Operation: Air carrier
- Aircraft: N427US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24549
- Aircraft time: 50,481 hours, 34,216 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Part number: 6546431279
- Part serial: 629
- Condition: Delaminated
- Location: T/E Flap
- 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/USAA920071381

## Discrepancy

CLT - MAJOR REPAIR - C3 CHECK - LEFT WING OUTBOARD FORE FLAP LOWER SURFACE HAS AREA OF DELAMINATION.  REPLACED LEFT WING OUTBOARD FORE FLAP IAW B737 AMM 27-51-37.

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