# SDR AALA2020051859011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2020
- Submitted: May 18, 2020
- 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: 20,242 hours, 7,879 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: D53438004820202
- Condition: Corroded
- Location: Fuselage
- 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/AALA2020051859011

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON THE L4 DOOR CUT OUT LOWER SILL CHANNEL AT FR 67 AND S23L. REPLACED CHANNEL PER SRM 51-75-12.

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