# SDR GTIA2021071535871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2021
- Submitted: July 15, 2021
- Operation: Air carrier
- Aircraft: N657NK
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6672
- Aircraft time: 19,948 hours, 8,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Condition: Corroded
- Location: Pax Doorway
- 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/GTIA2021071535871

## Discrepancy

RH PASSENGER (AFT) DOOR SILL CORRODED-VERIFIED LTPR NR # 5001088264-0050, CORROSION REMOVAL PERFORMED I.A.W. SRM 51-74-00 REV.137,REWORKED EXCEED ALLOWABLE LIMITS.REPAIR WAS PERFORMED I.A.W.. SRM 53-41-14-300-001 PRINCIPLE 5 REV 137.PERMANENT REPAIR CAT "A".

---
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.