Service difficulty report · Governor · Bombdr DHC8402

Difficulty date
January 26, 2016
Submitted
January 29, 2016
Operation
Air carrier
Aircraft
N431QX
Make and model
Bombdr DHC8402
Aircraft serial
4164
Aircraft time
21,023 hours, 22,527 cycles
Part
Governor
Part number
697072004
Part serial
DAP0079
Condition
Malfunctioned
Location
Overspeed
Part time
15,477 hours, 16,692 cycles
Stage of operation
IN
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

DURING ENGINE RUN FOR ACFT CHECK NR 2 ENGINE, TOOK 33 SECONDS TO UNFEATHER. C/W FIM TASK 61-20-00-810-803 TO STEPS 5, 5. R & R OVERSPEED GOVERNOR IAW TASK 61-20-26-000-801 & 400-801, PARA 1-5 C. PERFORMED FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER TEST IAW TASK 61-20-00-720-801, CHECK GOOD. PERFORMED OPS TEST OF THE PROPELLER OVERSPEED GOVERNOR IAW AMM TASK 61-20-00-710-803. OPS TEST GOOD. PERFORMED ENGINE LEAK CHECK IAW AMM TASK 71-00-00-790-801. NO ENGINE OIL LEAK NOTED. NO FURTHER DEFECTS NOTED. REF AMM TASK 61-20-26-400-801, STEPS 5 D & E COMPLETE.