# SDR AALA201909139018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2019
- Submitted: September 13, 2019
- Operation: Air carrier
- Aircraft: [N163US](https://openairdocs.org/aircraft/N163US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1417
- Aircraft time: 60,953 hours, 23,077 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pulley
- Part number: NSA812104
- Condition: Out Of Tolerance
- Location: Rudder Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201909139018

## Discrepancy

AIRCRAFT IN BASE VISIT: PILOT REPORTS CLIMBING THROUGH 11, 000 FT BETWEEN 250-280 KNTS. BOTH SET OF RUDDER PEDALS HAD A HARD FAST VIBRATION (FELT LIKE A RVIET GUN) THERE WAS NO AIRFRAME VIBRATION ASSOCIATED WITH IT. LASTED APPROX 2 MIN. MAINTENANCE REPORTS ACCOMPLISHED ALL STEPS OF EA 297571. (SEE SDR # AALA201908129020)

---
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.
