Service difficulty report · Spur Gear · Bombdr DHC8400

Difficulty date
February 1, 2015
Submitted
March 12, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Part
Spur Gear
Part number
47180
Condition
Spun
Location
Mlg
Stage of operation
CL
How discovered
9
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

(CAN) AFTER TAKEOFF THE CREW OBSERVED THREE RED LIGHTS ON THE LG CONTROL PANEL, INDICATING THAT THE LG DID NOT RETRACT. THE CREW ELECTED TO PERFORM AN AIR TURN BACK & LANDED. FOUND BOTH NWS RVDT SPUR GEARS WITH LOOSE COLLARS, RESULTING IN SLIPPAGE & THE RVDT GOING OUT OF RIG. THE SPUR GEARS WERE REPLACED & THE RVDT`S RIGGED. THE HARNESS IS BEING REPLACED AS A PRECAUTIONARY MEASURE DUE TO 3 INCIDENTS. FUNCTIONS COMPLETED SATISFACTORY. DESIGNED SPUR GEAR BEING INTRODUCED TO CORRECT SLIPPAGE.