# SDR AALA20161218001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2016
- Submitted: December 23, 2016
- Operation: Air carrier
- Aircraft: [N919AN](https://openairdocs.org/aircraft/N919AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29520
- Aircraft time: 52,351 hours, 21,092 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Stiffener
- Part number: 148A241313
- Condition: Corroded
- Location: Apu Bay
- 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/AALA20161218001

## Discrepancy

CORROSION ON APU COMPARTMENT NR 2 STIFFNER. REPLACED THE STIFFNER IAW 51-00-05-1 AND  148A2410.

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