Service difficulty report · Drive Unit · Cessna 750

Difficulty date
December 16, 2006
Submitted
December 27, 2006
Operation
Air carrier
Aircraft
N964QS
Make and model
Cessna 750
Aircraft serial
7500164
Aircraft time
4,004 hours, 2,500 cycles
Engine
Allsn AE3007C
Part
Drive Unit
Part number
MP50G4
Part serial
174A
Condition
Failed
Location
Zone 100
Part time
967 hours, 603 cycles
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FLAPS FAILED WHEN DOWN TO 5* INITIATED, PRESSED FLAP RESET SWITCH NUMOROUSE TIMES. FLAPS WOULD NOT BUDGE. DECLARED AN EMERGENCY. MADE UNEVENTFUL NO FLAP LANDING. SLATS WORKED OK. TROUBLESHOT TO BAD PDU CLUTCH. REPLACED PDU IAW 750 M/M 27-52-00 RIG AND OPS CHECK C/W IAW 750 M/M 27-50-00

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