# SDR AALA202505018297

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2025
- Submitted: May 1, 2025
- Operation: Air carrier
- Aircraft: [N824AN](https://openairdocs.org/aircraft/N824AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40643
- Aircraft time: 33,615 hours, 3,935 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- 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/AALA202505018297

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LAVATORY 4F1L THRESHOLD AND FLOOR PANEL. REPLACED LAVATORY MODULE THRESHOLD (AALA202505019467) AND FLOOR PANEL (AALA202505018297) PER EA 363911.

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