# SDR USAA920080531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2008
- Submitted: February 29, 2008
- Operation: Air carrier
- Aircraft: N901AW
- Make and model: Boeing 757-2S7
- Registry model: [Boeing 757-2S7](https://openairdocs.org/model/boeing-757-2s7) (OpenAirDocs)
- Aircraft serial: 23321
- Aircraft time: 80,043 hours, 30,683 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Stiffener
- Part number: 311N504017
- Condition: Cracked
- Location: Zone 400
- 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/USAA920080531

## Discrepancy

MCN - MAJOR REPAIR - C12 CHECK - CRACKED STIFFENER ON NR 1 PYLON STRUT, PYLON STATION 153.90.  REPLACED STIFFENER ON NR 1 PYLON STRUT, PYLON STATION 153.90 IAW B757 SRM 51-40-02.

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