# SDR AALA202512039768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2025
- Submitted: December 3, 2025
- Operation: Air carrier
- Aircraft: [N903AN](https://openairdocs.org/aircraft/N903AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29505
- Aircraft time: 69,244 hours, 28,935 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Inlet
- Condition: Corroded
- Location: Zone 200  Apu
- 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/AALA202512039768

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: APU AIR INLET DOOR OUTER SKIN CORRODED IN AFT CORNERS UPPER AND LOWER. INSTALLED INTAKE DIFFUSER DUCT. PER AMM 49-15-15.

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