Service difficulty report · Drive Unit · Cessna 750

Difficulty date
April 17, 2011
Submitted
April 18, 2011
Operation
Air carrier
Aircraft
N907QS
Make and model
Cessna 750
Aircraft serial
7500201
Aircraft time
8,036 hours, 4,784 cycles
Part
Drive Unit
Part number
MP50G4
Part serial
508B
Condition
Failed
Location
Te Flaps
Part time
1,510 hours, 942 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
O

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

What was found

FLAP FAIL AMBER CAS DURING APPROACH AND LANDING. FLAPS FAILED AT APROX 2 DEGREES WITH SLATS OUT. FOUND FLAP CONTROL BITE CODE 2. TESTED FLAP PDU IAW MM 27-50-00 CLUTCH TORQUE AMFRAME FAILED- 112 AMPS MAX. FLAP PDU R & R IAW MM 27-52-00 (R35). REMAINDER OF FLAP DRIVE SYS VISUALLY INSPECTED & SYS OPERATIONALLY TESTED & FOUND SERVICABLE.

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