# SDR ASAA0540500

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2005
- Submitted: November 16, 2005
- Operation: Air carrier
- Aircraft: N772AS
- Make and model: Boeing 737-4Q8
- Registry model: [Boeing 737-4Q8](https://openairdocs.org/model/boeing-737-4q8) (OpenAirDocs)
- Aircraft serial: 25105
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 6546579531
- Condition: Corroded
- Location: Fs 1127
- 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/ASAA0540500

## Discrepancy

OKC - FOUND VERTICAL STIFFENER EXFOLIATED RIGHT SIDE OF TORQUE BOX AT BS 1127.  REMOVED STIFFENER, FABRICATED AND INSTALLED REPLACEMENT STIFFENER IAW 737-400 SRM 51-40-5 AND 51-40-3.  (M)

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