# SDR SIMA20171115001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2017
- Submitted: November 16, 2017
- Operation: Air carrier
- Aircraft: [N520DC](https://openairdocs.org/aircraft/N520DC), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10140
- Aircraft time: 33,934 hours, 24,437 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Spoiler Sys
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20171115001

## Discrepancy

DURING APPROACH,  WHILE RETRACTING THE FLIGHT SPOILERS,  RECEIVED AN OTBD SPOILERON AND OTBD FLT SPOILERS CAUTION.  SPOILERS RT OTBD MFS PCU FAILED,  PCU JAM.  PERFORMED SPOST1 TEST IAW AMM 27-61-05-740-801, SELF TEST OF THE SSCU NO FAULTS NOTED.  ACFT OK FOR SERVICE.

---
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.