Service difficulty report · Position Sensor · Cessna 750

Difficulty date
July 14, 2005
Submitted
July 25, 2005
Operation
Air carrier
Aircraft
N934QS
Make and model
Cessna 750
Aircraft serial
7500034
Aircraft time
6,922 hours, 4,305 cycles
Part
Position Sensor
Part number
99145104
Part serial
9913
Condition
Faulty
Location
Te Flaps
Stage of operation
CR
How discovered
O
Nature of condition
N
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 IN CRUISE AT FL450. FLAP INDICATOR CYCLED CONTINOUSLY FROM 0 DEGRRES TO 15 DEGREES INDICATION. FLAPS WERE NOT MOVING. FLAPS WON'T RESET. DUPLICATED DISCREPANCY. NO BITE CODES ON FLAP CONTROLLER. INSTALLED FLAP BREAK OUT BOX. TROUBLESHOT TO FAULTY LT FLAP POSITION SENSOR. REMOVED AND REPLACED SENSOR. ADJUSTED SENSOR. C/W SATISFACTORY OPERATIONAL CHECK OF FLAP SYSTEM. ALL WORK IAW CE750 MM 27-50-00.

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