# SDR USAA070094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2007
- Submitted: February 14, 2007
- Operation: Air carrier
- Aircraft: N440US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24811
- Aircraft time: 43,915 hours, 43,915 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Condition: Cracked
- Location: Lt Nacelle
- 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/USAA070094

## Discrepancy

LT ENG PYLON PANEL OPENING 5727L AT O/B AFT CORNER OF OPENING.  STOP DRILLED CRACK AND INSTALLED REPAIR DOUBLER PER TYP REP 54-30-07, DEFECT SIZE: .5".

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