# SDR AALA202511127190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2025
- Submitted: November 12, 2025
- Operation: Air carrier
- Aircraft: [N825AA](https://openairdocs.org/aircraft/N825AA), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40644
- Aircraft time: 33,743 hours, 3,990 cycles
- System (JASC): [2540 · Lavatories](https://openairdocs.org/jasc/2540)
- Part: Threshold
- Condition: Corroded
- Location: Zone 900
- 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/AALA202511127190

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION TO LAVATORY MODULE 4F-1L, UNDER THRESHOLD AT STA 1744 FROM LBL 53 TO LBL 81. REPAIRED LAVATORY PER EA 368810.

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