# SDR CA100219008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2009
- Submitted: March 1, 2010
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- Propeller: Rotol CR4086123F17
- System (JASC): [5755 · Spoilers](https://openairdocs.org/jasc/5755)
- Part: Control Valve
- Part number: 3907001007
- Condition: Inoperative
- Location: Lt Spoiler
- Part time: 8,573 hours
- Stage of operation: AP
- 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/CA100219008

## Discrepancy

(CAN) LT OTBD ROLL SPOILER DEPLOYED APPROX 1/2 DEPLOYMENT DURING APPROACH.  LINE MX TROUBLESHOOTING ASCERTAINED THAT THE LT OTBD SPOILER CONTROL VALVE TO BE DEFECTIVE. SPOILER CONTROL VALVE REPLACED. SYS TESTED IAW THE ACFT`S MM.  ACFT RETURNED TO SERVICE WITHOUT FURTHER INCIDENT. (TC  20100219008)

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