# SDR AALA201710099040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2017
- Submitted: October 10, 2017
- Operation: Air carrier
- Aircraft: [N549UW](https://openairdocs.org/aircraft/N549UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4932
- Aircraft time: 21,088 hours, 7,718 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- 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/AALA201710099040

## Discrepancy

CORROSION ON NUTPLATE HOLES JUST INBOARD OF THE L4 DOOR, AFT GIRT BAT ATTACH POINT AND 1.5 INCHES FORWARD OF FRAME 68,  STRINGER 23L.  REPAIRED THE DOOR SILL IAW SRM 53-41-14 AND SRM 51-75-12.

---
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.