# SDR AALA202610191184

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N918US](https://openairdocs.org/aircraft/N918US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6443
- Aircraft time: 36,707 hours, 15,067 cycles
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Elevator
- Condition: Vibration
- Location: Zone 300 - Stabs
- Stage of operation: DE
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202610191184

## Discrepancy

AIRCRAFT WAS GROUNDED: ON DESCENT AT 290 AND SLOWING WITH AIRCRAFT CLEAN, EXCESSIVE VIBRATION WHEN SPEED BRAKES WERE GREATER THAN 1/2. COULD NOT USE SPEED BRAKES GREATER THAN 1/2 DUE TO MODERATE VIBRATION - MAINTENANCE HAS ISOLATED THE SOURCE TO THE ELEVATORS. OPEN

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