# SDR AALA202107010836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2021
- Submitted: July 1, 2021
- Operation: Air carrier
- Aircraft: [N977UY](https://openairdocs.org/aircraft/N977UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5409
- Aircraft time: 27,170 hours, 10,816 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Beam
- Part number: D5348004320700
- Condition: Corroded
- Location: Frm 68
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202107010836

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND ON L4 DOOR SILL BEAM AT FR68, BUTT LINE Y-1500. REPAIRED WITH NESTED ANGLE REINFORCEMENT PER EA 328360.

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