SDR QXEA2009040700233

Service difficulty report · Sensor · Bombdr DHC8402

Difficulty date: April 3, 2009
Submitted: April 7, 2009
Operation: Air carrier
Aircraft: N406QX
Make and model: Bombdr DHC8402
Aircraft serial: 4048
Aircraft time: 19,670 hours, 20,106 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Sensor
Condition: Loose
Location: Mlg
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

SEA - LOUD METAL TO METAL CLUNK WHEN EXTENDING GEAR, HEARD ON LEFT SIDE, THEN L DOOR AMBER WARNING LIGHT CAME ON INTERMITTENTLY, AND THEN STEADY. POST FLIGHT SHOWS AFT GEARS DOORS OPEN ON LEFT SIDE. FERRY TO PDX FOR REPAIRS. FOUND LT GEAR DOORS CYCLING AND INTERROGATED PSEU WITH A MESSAGE LGDLK2 NEAR GAP TOO FAR. FOUND LGDLK2 SENSOR TO BE LOOSE SO I RIGGED IT IAW Q400 AMM TASK 32-61-06-830-801 AND SAFTIED. PERFORMED SEVERAL GEAR SWINGS. OPS CHECK GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.