Service difficulty report · Governor · Bombdr DHC8402

Difficulty date
April 3, 2014
Submitted
April 7, 2014
Operation
Air carrier
Aircraft
N446QX
Make and model
Bombdr DHC8402
Aircraft serial
4363
Aircraft time
7,499 hours, 7,691 cycles
Engine
Pwc PW150A
Propeller
Dowty R4086123F17
Part
Governor
Part number
697072004
Part serial
DAP0032
Condition
Malfunctioned
Location
Overspeed
Part time
11,036 hours, 11,792 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 ENGINE SLOW TO COME OUT OF FEATHER. REPLACED NR 2 ENGINE OVER SPEED GOVERNOR IAW AMM TASKS 61-20-26-000-801 & 61-20-26-400-801. LEAK, OPS TEST & BONDING CHECKED GOOD. PERFORMED FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER IAW AMM TASK 61-20-00-720-801. FEATHERS WITHIN 20 SECONDS NO FURTHER DEFECTS. RETURNED TO SERVICE.