Service difficulty report · Downlock Switch · Beech 400A

Difficulty date
August 19, 2006
Submitted
August 21, 2006
Operation
Air carrier
Aircraft
N131QS
Make and model
Beech 400A
Aircraft serial
RK431
Aircraft time
686 hours, 617 cycles
Part
Downlock Switch
Part number
D43637
Condition
Faulty
Location
Nlg
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

ON GEAR EXTENSION HAD INDICATION OF LT AND RT MAINS ONLY NO NOSE INDICATION. PERFORMED THE LANDING GEAR NOT DOWN AND LOCKED CHECKLIST AFTER CYCLING THE GEAR AGAIN. LANDED NORMALLY. NOSE GEAR INDICATED GREEN AFTER LANDING. REPLACED NOSE GEAR DOWN LOCK SWITCH WITH NEW CUSTOMER SUPPLIED SWITCH. PERFORMED ADJUSTMENT PROCEDURES AND TEST. SYSTEM CHECKS GOOD. ALL WORK IAW M/M 32-60-00 AND WIRING M/M 32-61-01.

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