# SDR USAA2010050790919

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2009
- Submitted: May 7, 2010
- Operation: Air carrier
- Aircraft: N450UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24933
- Aircraft time: 51,561 hours, 34,160 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Pin
- Part number: 311A10922
- Condition: Corroded
- Location: Pylon
- 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/USAA2010050790919

## Discrepancy

CLT - MAJOR REPAIR - Q4 CHECK - CORROSION ON LEFT WING PYLON INBOARD FUSE PIN.  REPLACED THE LEFT WING PYLON INBOARD FUSE PIN IAW B737 AMM 54-10-01.

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