SDR 95ZZZX3634

Service difficulty report · Switch · Beech C90

Difficulty date
June 13, 1995
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N91TJ
Make and model
Beech C90
Aircraft serial
LJ714
Part
Switch
Part number
1003890161
Condition
Misinstalled
Location
Fuel Drain
Component
909200343
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

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

What was found

AT INSPECTION, THE ENGINE FUEL COLLECTOR TANK WAS REMOVED. IT WAS NOTED AT DISASSEMBLY, THE FLOAT SWITCH WAS INSTALLED UPSIDE DOWN, HOWEVER, IT WAS FUNCTIONING CORRECTLY. A NEW FLOAT SWITCH WAS PULLED FROM STOCK AND IT ALSO WOULD HAVE TO BE INSTALLED UPSIDE DOWN TO FUNCTION CORRECTLY. IF INSTALLED AS MARKED WITHOUT READING THROUGH THE SWITCH WIRING WITH A VOM, THE COLLECTOR TANK WOULD NOT FUNCTION PROPERLY. THE FLOAT SWITCH IN THE OPPOSITE ENGINE WAS CORRECT.

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