# SDR CA010531003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2001
- Submitted: July 5, 2001
- Operation: General aviation
- Make and model: Cndair CL6002B19
- Aircraft time: 12,838 hours
- Engine: Ge CF343A1
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Drive Unit
- Part number: 865D1007
- Condition: Faulty
- Location: Te Flaps
- 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/CA010531003

## Discrepancy

(CAN) FLAP FAIL CAUTION MESSAGE DISPLAY ON EICAS (ENGINE INDICATIONS AND CREW AL ERT SYSTEM), QRH PERFORM WITH A NORMAL LANDING. RESET DONE AND FOUND SERVICEABLE BUT DEFECT RE-OCCURRED. FECU (FLAP ELECTRONIC CONTROL UNIT) CHANGED AS A PREVENTIVE MEASURE WITHOUT ANY SUCCESS, THE DEFECT RE-OCCURRED, AFTER FURTHER INVESTIGATION, MAINTENANCE FOUND TO BE THE PDU (POWER DRIVE UNIT) TO BE AT FAULT. REPLACED POWER DRIVE UNIT AND ALSO ADJUSTED #6 & 7 POTENTIOMETERS FECU AND PDU WIRING CHECK (NIL FAULT DETECTED). FLAP RIGGED AND OPERATIONAL CHECK CARRIED OUT...

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