Service difficulty report · Governor · Bombdr DHC8402

Difficulty date
March 1, 2015
Submitted
March 6, 2015
Operation
Air carrier
Aircraft
N430QX
Make and model
Bombdr DHC8402
Aircraft serial
4163
Aircraft time
18,812 hours, 20,212 cycles
Engine
Pwc PW150A
Propeller
Dowty R4086123F17
Part
Governor
Part number
697072004
Part serial
DAP0370
Condition
Malfunctioned
Location
Overspeed
Part time
16,794 hours
Stage of operation
TX
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 2 ENGINE TAKES LONGER THAN NORMAL TIME TO COME OUT OF FEATHER WITH POWER LEVERS AT FLIGHT IDLE. IAW MAINTENANCE REQUEST, R & R NR 2 OSG AS PRECAUTIONARY MEASURE WITH NEW FROM STOCK IAW AMM 61-20-26-400-801 AND 61-20-26-000-801. OPS CHECK GOOD. DURING INSTALLATION, REF HS 61-0038 FOR HEAT SHRINK. PERFOMRED FUNCTIONAL TEST OF PROP TIME TO UNFEATHER IAW AMM 61-20-00-720-801. UNFEATHER TIME WITHIN LIMITS. PERFORMED ENGINE LEAK CHECK IAW AMM 71-00-00-790-801, LEAK CHECK GOOD. RETURNED TO SERVICE.