Service difficulty report · Proximity Sensor · Bombdr DHC8402

Difficulty date
November 30, 2008
Submitted
December 4, 2008
Operation
Air carrier
Aircraft
N434MK
Make and model
Bombdr DHC8402
Aircraft serial
4227
Aircraft time
23 hours, 12 cycles
Part
Proximity Sensor
Condition
Out Of Rig
Location
Lt Mlg Door
Stage of operation
AP
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

STS - LEFT MAIN GEAR UNSAFE INDICATION AND LT MLG DOOR OPEN INDICATION AFTER GEAR SELECTED DOWN ON APPROACH. FERRY TO PDX FOR REPAIRS. INTERROGATED OF PSEU FOUND PRESENT FAULT LGDLK 1 UNREASONABLE FAR. INDUCTANCE VALUE OF LGDLK1 SENSOR WAS AT 7.960 MH BEFORE ADJUSTMENT. RIGGED THE PROXIMITY SENSOR IAW AM TASK 32-61-06-830-801. CHECKED THE INDUCTANCE VALUE OF PROXIMITY SENSOR IAW TASK 32-61-00-280-801, CURRENTLY AT 8.296MH. OP'S TESTED OF THE LANDING GEAR PRIMARY EXTENSION/ RETRACTION SYSTEM IAW TASK 32-31-00-710-801. OP'S CHECKED GOOD. RETURNED TO SERVICE. NO PARTS.