# SDR AALA201912039047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2019
- Submitted: December 3, 2019
- Operation: Air carrier
- Aircraft: [N572UW](https://openairdocs.org/aircraft/N572UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5899
- Aircraft time: 21,258 hours, 8,211 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: D53480043206
- Condition: Corroded
- Location: Frame 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/AALA201912039047

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON L4 DOOR CUT OUT LOWER  SILL PLATE AT FR 68 AND +Y1589. REPAIRED LOWER SILL PLATE PER SRM 53-41-14-300-001 REPAIR PRINCIPLE 5.

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