# SDR USAA2012080800021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2012
- Submitted: August 8, 2012
- Operation: Air carrier
- Aircraft: N434US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24556
- Aircraft time: 60,900 hours, 40,650 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: 6546435277MC
- Part serial: BN883
- Condition: Delaminated
- 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/USAA2012080800021

## Discrepancy

Q2 CHECK - LEFT OUTBOARD AFT FLAP HAS SEVERAL GOUGES AND DENTS AND IS DELAMINATED 18 INCHES OUTBOARD OF INBOARD END, 4 INCHES FROM TRAILING EDGE.  REMOVED AND REPLACED AFT FLAP IAW JOB CARD 03C30927015.

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