Service difficulty report · Governor · Bombdr DHC8402

Difficulty date
April 23, 2015
Submitted
April 27, 2015
Operation
Air carrier
Aircraft
N419QX
Make and model
Bombdr DHC8402
Aircraft serial
4145
Aircraft time
20,606 hours, 21,831 cycles
Engine
Pwc PW150A
Propeller
Dowty R4086123F17
Part
Governor
Part number
697072004
Part serial
DAP0418
Condition
Malfunctioned
Location
Overspeed
Part time
9,243 hours, 10,699 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 2 PROPELLER WOULD NOT COME OUT OF FEATHER AFTER ENGINE START. NR 2 CONDITION LEVER WAS OPERATED TWICE, THEN PROPELLER OPERATED NORMALLY. NO FAULTS FOUND IN CDS. PROPELLER FAILED TIME TO UNFEATHER IAW AMM TASK 61-20-00-720-801. REPLACED THE NR 2 OVERSPEED GOVERNOR IAW AMM 61-20-26-00-801 & 61-20-26-400-801. CHECKS GOOD RETURNED TO SERVICE.