Service difficulty report · Diaphragm · Bbavia 8KCAB

Difficulty date
May 29, 1998
Submitted
March 26, 2000
Operation
General aviation
Make and model
Bbavia 8KCAB
Engine
Lyc AEIO320E1B
Part
Diaphragm
Part number
75278
Condition
Failed
Location
Fuel Divider
Part time
94 hours
Stage of operation
IN
Nature of condition
R
Precautionary procedure
K

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

What was found

(CAN) DURING THE ENGINE RUN-UP PREPARATORY TO THE ANNUAL INSPECTION, THE ENGINE WAS RUNNING VERY ROUGH WITH BLADE SMOKE COMING FROM THE EXHAUST. INSPECTION REVEALED THE RUBBER DIAPHRAGM IN THE FUEL FLOW DIVIDER HAD DRIED OUT, DISINTEGRATED AND PLUGGED THE FUEL INJECTOR LINES. THE ENGINE HAD BEEN OVERHAULED IN SEPTEMBER OF 1995, BUT HAD NEVER FLOWN. THE ENTIRE FUEL SYSTEM INCLUDING SERVO FUEL INJECTOR AND FUEL NOZZLES WERE SENT FOR REPAIR.