# SDR AALA20120329002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2012
- Submitted: March 29, 2012
- Operation: Air carrier
- Aircraft: [N935AN](https://openairdocs.org/aircraft/N935AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30081
- Aircraft time: 35,409 hours, 14,764 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Corroded
- Location: Fuselage
- 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/AALA20120329002

## Discrepancy

AUXILIARY POWER UNIT INLET CUTOUT AFT VERTICAL STIFFENER CORRODED AT STATION 1125.  REMOVED CORRODED STIFFENER AND INSTALLED NEW VERTICAL STIFFENER PER AARD 51-10-05 AND BOEING DRAWING 148A8650.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.
