# SDR AALA202003239024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2020
- Submitted: March 23, 2020
- Operation: Air carrier
- Aircraft: [N112AN](https://openairdocs.org/aircraft/N112AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5991
- Aircraft time: 22,666 hours, 4,609 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: D5348004320400
- 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/AALA202003239024

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON R4 DOOR CUT OUT LOWER SILL AT FR 68 AND -Y1168. REPAIRED LOWER SILL PER SRM 53-41-14-300-001 REPAIR PRINCIPLE 7.

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