Service difficulty report · Power Unit · Bombdr DHC8402

Difficulty date
July 18, 2019
Submitted
July 19, 2019
Operation
Air carrier
Aircraft
N404QX
Make and model
Bombdr DHC8402
Aircraft serial
4046
Aircraft time
42,615 hours, 44,881 cycles
Part
Power Unit
Part number
C1486562
Part serial
1278
Condition
Malfunctioned
Location
Te Flap
Part time
22,199 hours, 24,085 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 POWER CAUTION ON APPCH. FLAP STUCK @ 5 RAN CHECK LIST. FLAP STUCK @ 0 AFTER CHECK LIST ACCOMPLISHED 0 FLAP LANDING. EMERGENCY DECLARED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. FOUND FAULT HYDRAULIC PRESSURE LOSS IN CDS. C/W FIM TASK 29-10-00-810-803. R&R FPU IAW AM TASK 27-52-01-000-801/400-801. FUNCTIONAL TEST GOOD AND NO LEAKS NOTED AT THIS TIME. FLAP POWER CAUTION DID NOT RETURN. AIRCRAFT RETURNED TO SERVICE.