# SDR AALA202012029012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2020
- Submitted: December 2, 2020
- Operation: Air carrier
- Aircraft: [N917UY](https://openairdocs.org/aircraft/N917UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6427
- Aircraft time: 19,162 hours, 7,453 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: D5348004320600
- Condition: Corroded
- Location: Frame 68
- 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/AALA202012029012

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE.  FOUND CORRODED AREA ON LOWER SILL AT FR 68 AND STR 23L.  CORROSION AREA MEASURED L=1.151 INCH, W=0.783 INCH, D=0.063 INCH.  PERFORMED PERMANENT REPAIR ON LOWER SILL IN AFT GALLEY AREA, IAW A321 SRM 53-41-14-300-001 PRINCIPLE 5 FIG 001 SHEET 3.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.