Service difficulty report · Proximity Sensor · Bombdr DHC8402

Difficulty date
October 9, 2009
Submitted
October 13, 2009
Operation
Air carrier
Aircraft
N419QX
Make and model
Bombdr DHC8402
Aircraft serial
4145
Aircraft time
7,172 hours, 7,577 cycles
Part
Proximity Sensor
Part number
401020101
Condition
Malfunctioned
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

DURING GEAR RETRACTION, AFTER TAKE OFF THE LT GEAR DOOR, LT GEAR UNSAFE AND GEAR IN TRANSIT LIGHTS CYCLED FOR ABOUT 3 MIN. THEN WENT OUT. PASSENGER VISUALLY CONFIRM THE LT GEAR DOOR OPENING AND CLOSING. FERRY FOR REPAIRS. NO PSEU FAULTS WERE FOUND. REPLACED LGDRCL PROX SENSOR REPLACEMENT IAW MM TASK, S 32-61-06-000-802 AND 32-61-06-400-802. RIGGED LT MAIN LANDING GEAR AFT DOORS IAW MM TASK NR 32-12-01-830-801. LT MAIN LANDING GEAR POSITION INDICATION PROXIMITY SENSORS INDUCTANCE VALUE CHECK GOOD IAW MM TASK NR 32-61-00-280-801. LANDING GEAR OPS TEST GOOD 6 TIMES IAW MM TASK NR 32-31-00-710-801. OPS CHECK FLIGHT GOOD. RETURNED TO SERVICE.