SDR QXEA2012102301343

Service difficulty report · Selector Valve · Bombdr DHC8402

Difficulty date: October 23, 2012
Submitted: October 29, 2012
Operation: Air carrier
Aircraft: N401QX
Make and model: Bombdr DHC8402
Aircraft serial: 4031
Aircraft time: 27,626 hours, 28,643 cycles
System (JASC): 3250 · Landing Gear Steering System
Part: Selector Valve
Part number: 483003
Part serial: FAH0229
Condition: Malfunctioned
Location: Nlg Steering
Part time: 11,923 hours, 12,247 cycles
Stage of operation: LD
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

AFTER LANDING, THE NOSE WHEEL STEERING WOULD NOT FUNCTION, EITHER WITH TILLER OR PEDALS. RAN THE CHECKLIST EVEN THOUGH THE CAUTION LIGHT DID NOT ILLUMINATE, BUT THE STEERING REMAINED INOPERATIVE. REPLACED LANDING GEAR SELECTOR VALVE, GEAR SWINGS, NOSE WHEEL STEERING OPS CHECK IAW AMM TASK 32-51-00-710-801, OPS CHECK GOOD, NO FUTHER DEFECTS NOTED. RETURNED TO SERVICE.