# SDR USAA2013061000026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2013
- Submitted: June 11, 2013
- Operation: Air carrier
- Aircraft: [N179UW](https://openairdocs.org/aircraft/N179UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1521
- Aircraft time: 41,666 hours, 15,169 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Coupling
- Part number: D53470436208
- 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/USAA2013061000026

## Discrepancy

2S CHECK - LEVEL 2 GALVANIC CORROSION ON COUPLING AT AFT LT PASSENGER DOOR SILL AT FR66, S23L.  REPLACED COUPLING AT AFT LT PASSENGER DOOR SILL AT FR66, S23L IAW SRM 51-72-11 & DWG 53474250.

---
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.