Service difficulty report · Fuel Line · Beech 99

Difficulty date
March 17, 2000
Submitted
April 26, 2000
Operation
Air carrier
Aircraft
N24BH
Make and model
Beech 99
Aircraft serial
U67
Engine
Pwa PT6A27
Part
Fuel Line
Part number
3011857
Condition
Cracked
Location
Lt Engine
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

DISCOVERED FUEL LEAKING FROM LOWER COWL ON THE LEFT ENGINE ON A POST-FLIGHT INSP. INSP REVEALED THE FUEL LEAK SOURCE TO BE A HIGH PRESSURE FUEL LINE FROM THE FCU TO THE START FLOW CONTROL UNIT. THE SS LINE HAD A SMALL CRACK WHERE THE FERRULE WAS SECURED TO THE TUBING. THIS CONDITION COULD HAVE BEEN THE RESULT OF IMPROPER BENDING OF THE LINE TO FACILITATE INSTALLATION. SUBMITTER STATED THIS PARTICULAR LINE SHOWED SIGNS OF POSSIBLE MFG DEFECTS DURING ASSEMBLY OF FERRULE TO TUBE. (X)

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