# SDR 2008FA0000348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2008
- Submitted: July 7, 2008
- Operation: General aviation
- Aircraft: [N837JM](https://openairdocs.org/aircraft/N837JM), registered now
- Make and model: Raythn 390
- Aircraft serial: RB169
- System (JASC): [2711 · Aileron Tab Control System](https://openairdocs.org/jasc/2711)
- Part: Actuator
- Part number: EM408810
- Part serial: 113
- Condition: Malfunctioned
- Location: Roll Trim
- Part time: 758 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008FA0000348

## Discrepancy

IN CONJUNCTION WITH REPAIRS FOR UNCOMMANDED ROLL, TRIM ACTUATION AT KMDW REPLACED RT ROLL TRIM ACTUATOR (HBC PN 390-3810090010) WITH RAPID SUPPLIED REPAIRED UNIT. ATTEMPTED TO PERFORM ROLL TRIM FUNCTIONAL CHECKS IAW THE 390 MM 27-10-00-501 AFTER ACTUATOR REPLACEMENT BUT FOUND ROLL TRIM CIRCUIT BREAKER TRIPPING UPON POWER APPLICATION.  (K)

---
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.