# SDR AALA202601127496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2026
- Submitted: January 12, 2026
- Operation: Air carrier
- Aircraft: [N448AN](https://openairdocs.org/aircraft/N448AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10738
- Aircraft time: 15,824 hours, 4,293 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Condition: Vibration
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601127496

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING THAT INFLIGHT VIBRATIONS FELT FROM ABOUT 13,000 THROUGH CLIMB OUT 30,000 FEET APPROX SPEED 340. VIBRATION WAS FELT ON LEFT SIDE ON BOTH RUDDER PEDALS VIBRATIONS, FLUTTERING, A KICKING BACK FEELING WHEN FLT CREWS FEET RESTED ON BOTH PEDALS. PLUS, 3 FLT ATTENDANTS REPORTED VIBRATIONS COMING FROM GALLEY FLOOR NEAR R4 & R3 DOORS, VIBRATIONS THEY FELT THRU THEIR FEET. FLT CREW REPORTED THAT ONCE SLOWING DOWN AT, BELOW 280 K VIBRATIONS GO AWAY MOSTLY. ACFT LANDED SAFELY AT LAX WITHOUT FURTHER INCIDENT.  (OPEN)

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