# SDR AALA202602096744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2026
- Submitted: February 9, 2026
- Operation: Air carrier
- Aircraft: [N580UW](https://openairdocs.org/aircraft/N580UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6133
- Aircraft time: 36,887 hours, 15,120 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Sill
- Part number: D5348004320701
- 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/AALA202602096744

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT RIGHT PASSENGER / CREW DOOR CUTOUT LOWER SILL AT FR 67 AND S23R. REPLACED LOWER SILL PER SRM 51-72-11.

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