Service difficulty report · Controller · Cessna 750

Difficulty date
June 13, 2005
Submitted
June 17, 2005
Operation
Air carrier
Aircraft
N958QS
Make and model
Cessna 750
Aircraft serial
7500158
Aircraft time
4,066 hours, 2,507 cycles
Part
Controller
Part number
67183201
Part serial
280
Condition
Malfunctioned
Location
Te Flaps
Part time
4,066 hours, 2,507 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

FLAPS FAIL CAS ILLUMINATED AT ALTITUDE TRIED ONE RESET PER CHECK LIST BUT FAILED AGAIN CONDUCTED NO FLAP LANDING AND MESSAGE STILL ILLUMINATED ON GROUND. TROUBLESHOT DISCREPANCY TO FLAP CONTROLLER DUE TO MULTIPLE BIT FAULTS 1, 2, 7 & 8 TRIPPED. REMOVED AND REPLACED FLAP CONTROLLER AND PERFORMED ELECTRICAL RIG AND CONTROLLER FUNCTIONAL TEST. OP CHECKED GOOD IAW 750-27-50-00 MM.

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