Service difficulty report · Downlock Switch · Beech B100

Difficulty date
January 14, 2004
Submitted
March 1, 2004
Operation
General aviation
Make and model
Beech B100
Aircraft time
8,465 hours
Engine
Garrtt TPE3316252B
Propeller
Hartzl HCB4TN5
Part
Downlock Switch
Part number
1CH25
Condition
Frozen
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

(CAN) ON APPROACH THE PILOT SELECTED GEAR DOWN. THERE WAS NO NOSE GEAR INDICATION. AFTER CONFIRMING WITH THE TOWER THAT THE GEAR WAS DOWN, THE AIRCRAFT LANDED WITHOUT INCIDENT. THE DOWNLOCK SWITCH WAS FOUND DEFECTIVE AND SUBSEQUENTLY REPLACED. OAT WAS -25 TO -30 DEGREES CELSIUS.

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