Service difficulty report · Power Unit · Bombdr DHC8402

Difficulty date
July 31, 2018
Submitted
August 3, 2018
Operation
Air carrier
Aircraft
N438QX
Make and model
Bombdr DHC8402
Aircraft serial
4243
Aircraft time
20,891 hours, 22,292 cycles
Part
Power Unit
Part number
C1486562
Part serial
1197
Condition
Malfunctioned
Location
Te Flaps
Part time
23,736 hours, 25,190 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

DURING APPROACH, THE FLAP POWER CAUTION LIGHT ILLUMINATED WHEN FLAPS WERE SELECTED TO 5 DEG. PERFORMED THE FLAP POWER CAUTION RESET PER CHECKLIST AND THE LIGHT EXTINGUISHED. ON SECOND ATTEMPT TO SET FLAPS THE FLAP POWER CAUTION LIGHT DID NOT ILLUMINATE BUT FLAPS STAYED AT ZERO DEG. LANDING UNEVENTFUL. REMOVED FROM SERVICE. FERRIED FOR REPAIRS. REMOVED AND REPLACED THE FLAP POWER UNIT IAW AMM 27-52-01-000/400-801. FUCTIONAL TEST NORMAL. RETURNED TO SERVICE.