# SDR O2GA2016042585502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2016
- Submitted: April 25, 2016
- Operation: Air carrier
- Aircraft: [N855UP](https://openairdocs.org/aircraft/N855UP), registered now
- Make and model: Beech B300
- Registry model: [Beech B300](https://openairdocs.org/model/hawker-beechcraft-b300) (OpenAirDocs)
- Aircraft serial: FL1024
- Aircraft time: 188 hours, 160 cycles
- System (JASC): [2731 · Elevator Tab Control System](https://openairdocs.org/jasc/2731)
- Part: Actuator
- Part number: 13052405217
- Part serial: 52170245002
- Condition: Faulty
- Location: Elevator Trim
- Part time: 190 hours, 161 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/O2GA2016042585502

## Discrepancy

ELEVATOR TRIM FROZE INFLIGHT AT CRUISE ALTITUDE.  DURING DESCENT ELEVATOR TRIM OPERATES NORMAL.  LUBRICATED THE LT & RT ELEVATOR TRIM JACKS.  ELEVATOR TRIM OPERATIONAL CHECKS WERE GOOD.  ACFT WAS FERRIED TO THE MFG SERVICE CENTER FOR FURTHER EVALUATION DUE TO REPEAT WRITE UP.  REPLACED THE LT & RT ELEVATOR TRIM ACTUATORS.  OPERATIONAL CHECKED GOOD.  ACFT WAS RTS.  LT TRIM ACTUATOR OFF PN 130-524052-17 & SN 52170245-002.  RT TRIM ACTUATOR OFF PN 130-524052-19 & SN 52201053-001.

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