# SDR AALA202512098011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2025
- Submitted: December 9, 2025
- Operation: Air carrier
- Aircraft: [N826AN](https://openairdocs.org/aircraft/N826AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40649
- Aircraft time: 33,030 hours, 3,924 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 200
- 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/AALA202512098011

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND UNDER LAVATORY L4F-1L THRESHOLD AT BS 1744 BETWEEN LBL 53 AND LBL 81. REPAIRED LAVATORY BELOW THRESHOLD PER EA 369916.

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