Service difficulty report · Control Unit · Bombdr DHC8402

Difficulty date
October 7, 2013
Submitted
October 11, 2013
Operation
Air carrier
Aircraft
N409QX
Make and model
Bombdr DHC8402
Aircraft serial
4051
Aircraft time
29,042 hours, 30,065 cycles
Part
Control Unit
Part number
697073002
Part serial
DAP0102
Condition
Malfunctioned
Location
Prop Pitch
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

UNABLE TO UNFEATHER NR 1 PROPELLER WHILE USING THE FEATHER PUMP. REPLACED THE PITCH CONTROL UNIT IAW AMM TASK 61-20-11-400-801. OPS AND LEAK CHECKS GOOD. RETURNED TO SERVICE.