Service difficulty report · Switch · Beech C90A

Difficulty date
April 22, 2005
Submitted
April 25, 2005
Operation
General aviation
Aircraft
N6028Y
Make and model
Beech C90A
Aircraft serial
LJ1728
Aircraft time
71 hours, 53 cycles
Part
Switch
Part number
MS2465823D
Condition
Overheated
Location
Cockpit
Part time
71 hours, 53 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DISCREPANCY ORIGINALLY AN INOPERATIVE LT BOOST PUMP. DURING THE OPS CHECK OF REPLACEMENT BOOST PUMP, SWITCH WAS NOTED TO BE INTERMITTENT. AFTER GAINING ACCESS TO SWITCH TERMINALS BY REMOVING THE LT FUEL BOOST PUMP SWITCH, TERMINALS WERE FOUND IN AN OVERHEATED CONDITION, CONNECTIONS WERE LOOSE. SWITCH AND TERMINALS WERE REPLACED REMAINING SWITCHES, CB WERE INSPECTED, OTHER CONNECTIONS WERE ALSO FOUND LOOSE RT SIDE CB PANEL WAS ALSO REMOVED, ELEC COMPONENTS WERE ALSO INSPECTED.

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