# SDR USAA040010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2004
- Submitted: April 22, 2004
- Operation: Air carrier
- Aircraft: [N777AU](https://openairdocs.org/aircraft/N777AU), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24979
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Chafed
- Location: 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/USAA040010

## Discrepancy

PIT - FOUND FLAP DEEP CHAFED 4 INCHES BY .125 INCH BY .025 INCH DEEP, LEFT OUTBOARD MID FLAP INBOARD LEADING EDGE.  INSTALLED SKIN REPLACEMENT DOUBLER PER SRM 57-53-01.  (M)

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