# SDR USAA2013071200008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2013
- Submitted: July 12, 2013
- Operation: Air carrier
- Aircraft: N439US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24781
- Aircraft time: 59,988 hours, 41,222 cycles
- System (JASC): [5752 · Aileron Tabs](https://openairdocs.org/jasc/5752)
- Part: Tab
- Part number: 654645524C
- Part serial: BN474
- Condition: Worn
- Location: Rt Aileron
- Part time: 15,563 hours, 9,814 cycles
- 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/USAA2013071200008

## Discrepancy

Q5 CHECK - SEVERE WEAR ON RT AILERON TAB FITTING AT TAB L/E AT WL448.  REPLACED RT AILERON TAB ASSY IAW AMM 27-11-21-004-003.

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