# SDR USAA2011031191023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2011
- Submitted: March 11, 2011
- Operation: Air carrier
- Aircraft: N453UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24980
- Aircraft time: 54,040 hours, 35,826 cycles
- System (JASC): [5752 · Aileron Tabs](https://openairdocs.org/jasc/5752)
- Part: Tab
- Part number: 654645520
- Part serial: BN44A
- Condition: Delaminated
- Location: Aileron
- Part time: 95,966 hours, 93,322 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/USAA2011031191023

## Discrepancy

CLT - C3 - MAJOR REPAIR - DELAMINATION ON RIGHT AILERON TAB LEADING EDGE 18 INCHES OUTBOARD OF INBOARD SIDE OF TAB.  REPLACED RIGHT AILERON TAB IAW B737 AMM 27-11-21.

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