# SDR AALA20120226001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2012
- Submitted: February 27, 2012
- Operation: Air carrier
- Aircraft: [N932AN](https://openairdocs.org/aircraft/N932AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29530
- Aircraft time: 34,778 hours, 14,746 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/AALA20120226001

## Discrepancy

AUXILIARY POWER UNIT INLET DUCT CUTOUT STRUCTURE LOWER T-STIFFENER CORRODED BEYOND LIMITS.  REPLACED LOWER T-STIFFENER PER AARD CHAPTER 51-10-05 REPAIR 1.

---
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.
