# SDR DXTA200702718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2007
- Submitted: January 7, 2008
- Operation: Air carrier
- Aircraft: N997QS
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500208
- Aircraft time: 5,118 hours, 3,118 cycles
- Engine: Allsn AE3007C
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Drive Unit
- Part number: MP50G4
- Part serial: 250A
- Condition: Inoperative
- Location: Te Flaps
- Part time: 5,118 hours, 3,118 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200702718

## Discrepancy

UPON APPROACH, SELECTED FLAPS TO 5 DEGREES AND RECEIVED EICAS (FLAP FAIL) AMBER MESSAGE.  TROUBLESHOT TO BAD PDU CLUTCH.  REMOVED AND REPLACED PDU IAW 750 MM 27-52-00.  ALSO CHECKED RESOLVERS OPERATION DURING FUNCTIONAL CHECK AND RESOLVERS CHECK GOOD.  FLAPS OPS CHECK GOOD IAW 750 MM 27-50-00

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