Service difficulty report · Sensor · Doug DC871F

Difficulty date
December 16, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N772UP
Make and model
Doug DC871F
Aircraft serial
46072
Part
Sensor
Part number
189915
Condition
Inop
Location
Rt Mlg
Stage of operation
CR
Nature of condition
N
Precautionary procedure
K

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

What was found

INSPECTION TYPE-N/A, AFTER RETRACTING GEAR, DOORS NOT LATCHED LIGHT REMAINED ILLUMINATED AND ALTERNATE GEAR DOOR LIGHT, LEFT SIDE WAS ILLUMINATED. RECYCLED THE GEAR, WITH SAME INDICATIONS. PERFORMED ADJ/TEST OF LT AND RT MAIN GEAR DOOR UPLATCH MECHANISM PER MM 32-31-04. FOUND RT PROX SENSOR WIRE BARE AND GROUNDING ON UPLATCH MECHANISM CAUSING RED DOORS NOT LATCHED LIGHT. REPLACED RT GEAR DOOR PROX SWITCH. COULD NOT DUPLICATE LT DOOR ALTERNATE AMBER LIGHT. REPLACED LT AND RT ALTERNATE DOOR SWITCHES, OPS GOOD PER MM 32-31-04.

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