Service difficulty report · Pressure Switch · Hughes 369E

Difficulty date
March 2, 2016
Submitted
April 22, 2016
Operation
General aviation
Make and model
Hughes 369E
Aircraft time
10,265 hours
Engine
Allsn 250C20B
Part
Pressure Switch
Part number
369H81445
Condition
Failed
Location
Engine Fuel
Part time
469 hours
Stage of operation
IN
How discovered
9
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

(CAN) FUEL PRESSURE SWITCH, FOUND TO LEAK DURING A 300HR CAUTION LIGHT FUEL PRESSURE SWITCH TEST. UNIT WAS THEN DISASSEMBLED AND FOUND THE BLUE SILICONE COATING ON THE DIAPHRAGM WAS TORN.

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