Service difficulty report · Pcu · Bombdr DHC8402

Difficulty date
August 20, 2017
Submitted
August 23, 2017
Operation
Air carrier
Aircraft
N403QX
Make and model
Bombdr DHC8402
Aircraft serial
4037
Aircraft time
38,633 hours, 40,719 cycles
Propeller
Dowty R4086123F17
Part
Pcu
Part number
697073002
Part serial
DAP0119
Condition
Malfunctioned
Location
Nr 1 Propeller
Part time
33,554 hours, 124,988 cycles
Stage of operation
TX
How discovered
O
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 1 PROPELLER IS PITCH LOCKED AT 660 RPM, BELOW FLIGHT IDLE, WILL NOT GO INTO REVERSE. REMOVED FROM SERVICE. REPLACED THE NR 1 OSG AND PCU, OPS & LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.