# SDR AALA20180223002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2018
- Submitted: February 27, 2018
- Operation: Air carrier
- Aircraft: [N940AN](https://openairdocs.org/aircraft/N940AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30598
- Aircraft time: 53,661 hours, 21,895 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 148A864014
- Condition: Corroded
- Location: Bs 1088-1138
- 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/AALA20180223002

## Discrepancy

HORIZONTAL STIFFENER ON RIGHT APU COMPARTMENT AT BS 1088 TO 1138 HAS CORROSION. REPLACED HORIZONTAL STIFFENER IAW DRAWING 148A8650 AND 51-00-05-R1.

---
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.