# SDR USAA2013013100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2012
- Submitted: January 31, 2013
- Operation: Air carrier
- Aircraft: N440US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24811
- Aircraft time: 59,057 hours, 40,381 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: 654643099
- Condition: Corroded
- Location: Lt 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/USAA2013013100001

## Discrepancy

Q6 CHECK - CORROSION ON LEFT INBOARD FORE FLAP BETWEEN WBL 191 TO WBL 71.24.  REPLACED LEFT INBOARD FORE FLAP IAW B737 AMM 27-51-07-004-001 & 27-51-07-404-010.

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