Service difficulty report · Sequence Valve · Bombdr DHC8400

Difficulty date
March 25, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Engine
Pwc PW150A
Propeller
Rotol CR4086123F17
Part
Sequence Valve
Part number
483025
Condition
Malfunctioned
Location
Mlg
Part time
5,040 hours
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

(CAN) AFTER GEAR UP SELECTION, LT MAIN DOOR LIGHT STAYED ILLUMINATED AFTER SELECTING GEAR DOWN LT GEAR CAME DOWN WITH A FEW SECONDS DELAY. MAINTENANCE TECH OBSERVED THAT ON THE LT MLG THE 2 LT & RT AFT MLG DOORS WHERE DAMAGED AT THE FWD LOWER EDGES. DOORS REPAIRED. MAINTENANCE REPLACED THE SOLENOID SEQUENCE VALVE AND CARRY OUT GEAR SWINGS.