# SDR CALA2017061601826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2017
- Submitted: June 16, 2017
- Operation: Air carrier
- Aircraft: [N75436](https://openairdocs.org/aircraft/N75436), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33531
- Aircraft time: 27,321 hours, 9,244 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Bearing
- Part number: 185A410139185A41
- Condition: Worn
- Location: Rt Elevators
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017061601826

## Discrepancy

FLIGHT CONTROL COLUMN HAD AN ABNORMAL VIBRATION AT 10K, 250-310KTS.  EXCESSIVE VIBRATION WORSENING WITH AIRSPEED. EMERGENCY DECLARED.  INSPECTED AND FOUND THE NR 7 AND 8 RIGHT ELEVATOR ATTACH HINGE BEARING PLATES TO HAVE SOME PLAY.  REMOVED AND REPLACED THE ELEVATOR ATTACH HINGE BEARING PLATES IAW AMM 27-31-11.  ELEVATOR CHECKED GOOD AT THIS TIME.

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