Service difficulty report · Sensor · Bombdr DHC8402

Difficulty date
February 20, 2017
Submitted
February 20, 2017
Operation
Air carrier
Aircraft
N432QX
Make and model
Bombdr DHC8402
Aircraft serial
4166
Aircraft time
23,150 hours, 24,753 cycles
Part
Sensor
Condition
Out Of Rig
Location
Mlg
Stage of operation
NR
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

NOSE GEAR RED UNSAFE LIGHT REMAINED ILLUMINATED FOR 15 SECONDS AFTER MAIN LANDING GEAR COMPLETED NORMAL CYCLE. AFTER 15-20 SECONDS OF NOSE RED ILLUMINATED, NOSE GREEN ILLUMINATED AND RED EXTINGUISH. PERFORMED RETRACTION & EXTENSION OF THE NOSE LANDING GEAR IAW 32-31-00-867-802, FOUND FAULT CODE "NGDRCL NEAR GAP TO SMALL"ON PSEU. NGDCL IN PSEU INDUCTANCE SHOWED 10.3 MH, RIGGED NGDRCL PROXIMITY SENSORS IAW 32-61-06-830-801 & 32-61-00-280-801, NOSE GEAR "RED" UNSAFE LIGHT DID NOT REMIAN ILLUMINATED FOR 15 SECONDS AFTER MAIN LANDING GEAR COMPLETED NORMAL CYCLE. NO FAULTS FOUND IN PSEU. RETURNED TO SERVICE.