Service difficulty report · Proximity Sensor · Bombdr DHC8401

Difficulty date
April 8, 2003
Submitted
April 18, 2003
Operation
Air carrier
Aircraft
N405QX
Make and model
Bombdr DHC8401
Aircraft serial
4047
Aircraft time
3,720 hours, 4,294 cycles
Part
Proximity Sensor
Condition
Out Of Adjust
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

ON CLIMBOUT WITH GEAR HANDLE UP, GEAR MOMENTARILY BEGAN TO EXTEND (AMBER UNSAFE LIGHT ILLUMINATED) AND THEN RETRACTED AGAIN. PROBLEM REPEATED NUMEROUS TIMES. GEAR EXTENDED NORMALLY FOR LANDING BUT, LEFT GEAR DOOR LIGHT IS ON. ADJUSTED RIGHT & LEFT HAND MAIN LANDING GEAR PROX SENSORS AND DOOR SENSORS. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.