# SDR USAA2013070300020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2013
- Submitted: July 3, 2013
- Operation: Air carrier
- Aircraft: N444US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24862
- Aircraft time: 60,268 hours, 41,089 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Part number: 6546431279
- Part serial: BN1213
- Condition: Delaminated
- Location: Te 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/USAA2013070300020

## Discrepancy

Q4 CHECK - DELAMINATION ON LT OTBD FOREFLAP ON LOWER SKIN AT OTBD END 4" FWD OF T/E. REPLACED LEFT OTBD FOREFLAP IAW JC 03C30727030.

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