# SDR CA120412006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Pilats PC1247E
- Engine: Pwa PT6A67
- Propeller: Hartzl HCE4A3D
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Drive Unit
- Part number: 9787320203
- Condition: Failed
- Location: Flap
- Part time: 1,227 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120412006

## Discrepancy

(CAN) FLAPS WOULD NOT RETRACT FROM TAKEOFF POSITION ON TAKEOFF.  ACFT RETURNED TO AIRPORT.  PILOTS ATTEMPTED GROUND RESET.  NO RESET, FLAP WOULD NOT RETRACT. MAINTENANCE STAFF ATTEMPTED A FLAP RESET WITH MAINTENANCE BOX.  NO RESET. TROUBLESHOOTING FOUND THAT 28VDC WAS AVAILABLE AT THE PDU INPUT.  PDU REPLACED.

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