Service difficulty report · Power Unit · Bombdr DHC8401

Difficulty date
November 26, 2002
Submitted
December 4, 2002
Operation
Air carrier
Aircraft
N401QX
Make and model
Bombdr DHC8401
Aircraft serial
4031
Aircraft time
3,531 hours, 4,270 cycles
Part
Power Unit
Part number
C1486561
Part serial
1049
Condition
Failed
Location
T/E Flap
Part time
3,531 hours, 4,270 cycles
Stage of operation
CR
How discovered
O
Nature of condition
F, J
Precautionary procedure
K

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

What was found

PDX- FLAP POWER CAUTION LIGHT ILLUMINATED IN FLIGHT AFTER SELECTING FLAPS 5 DEGREES. FLAP CONTROL CIRCUIT BREAKER CYCLED LIGHT OUT. NORMAL FLAPS 35 LANDING. REMOVED AND REPLACED FLAP POWER UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.