# SDR AALA201902089013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2019
- Submitted: March 18, 2019
- Operation: Air carrier
- Aircraft: [N173US](https://openairdocs.org/aircraft/N173US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1481
- Aircraft time: 61,128 hours, 22,963 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: D53470520210
- Condition: Corroded
- Location: Frames 56-57
- 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/AALA201902089013

## Discrepancy

CORROSION FOUND ON STRINGER 42L,   FRAMES 56 AND 57L.   REPLACED STRINGER IAW SRM 51-42-11.

---
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.