SDR DXTA200807183183

Service difficulty report · Drive Unit · Cessna 750

Difficulty date: July 18, 2008
Submitted: May 11, 2009
Operation: Air carrier
Aircraft: N918QS
Make and model: Cessna 750
Aircraft serial: 7500223
Aircraft time: 5,263 hours, 3,126 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Drive Unit
Part number: MP50G4
Part serial: 091A
Condition: Failed
Location: Te Flaps
Stage of operation: CL
How discovered: O
Nature of condition: F
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FLAP FAILED TO RETRACT ON CLIMBOUT. COMPLETED CKLIST, FLAP WOULD NOT " RESET " AFTER LANDING, IAW ACP , FOUND "FAULT CODE 2 - MOTOR FAULT CODE FAULT". RESET FAULT CODE, TESTED FLAPS; FLAPS STILL WOULD NOT RETRACT; FAULT CODE 2 DISPLAYED AGAIN. SUB: TESTED FLAPS AND FOUND NO OUTPUT FROM MOTOR. REMOVED AND REPLACE POWER DRIVE UNIT, OPS CHECK'S GOOD IAW: MM 27-50-00.

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