# SDR AALA202407192470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2024
- Submitted: July 19, 2024
- Operation: Air carrier
- Aircraft: [N135NN](https://openairdocs.org/aircraft/N135NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6520
- Aircraft time: 28,689 hours, 10,544 cycles
- System (JASC): [5540 · Rudder Structure](https://openairdocs.org/jasc/5540)
- Part: Hinge Arm
- Part number: D5537131420054
- Condition: Worn
- Location: Rudder
- 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/AALA202407192470

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: VERTICAL STABILIZER RUDDER BEARING #4 HINGE ARM HAS 3 EACH OVERSIZED AND OUT OF ROUND FASTENER HOLES,  #9, #8, AND #2 AT VERTICAL STABILIZER STATION 2632 AND RIB 6. REPLACED HINGE ARM PER 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.