# SDR USAA040586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2004
- Submitted: October 8, 2004
- 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
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Pylon
- Condition: Cracked
- Location: Lt Engine
- Part time: 41,214 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA040586

## Discrepancy

FOUND NACELLE WITH .5 INCH CRACK, LT ENGINE PYLON, NR 1527L ACCESS, OUTBOARD EDGE LIP.  DOUBLER INSTALLED PER TYPICAL REPAIR 54-30-07.  (M)

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