Service difficulty report · Line · Lear 35A

Difficulty date
April 21, 2010
Submitted
April 21, 2010
Operation
General aviation
Aircraft
N10AH
Make and model
Lear 35A
Aircraft serial
657
Aircraft time
12,443 hours, 8,342 cycles
Engine
Garrtt TFE731*
Part
Line
Part number
250600214
Condition
Chafed
Location
Fuel System
Part time
12,444 hours, 8,342 cycles
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

THE SOURCE OF A FUEL LEAK WAS TRACED TO THE RT MAIN FUEL LINE TO THE FILTER AND SHUTOFF VALVE IN THE AFT EQUIPMENT BAY JUST FWD OF THE RT MAIN SHIP BATTERY. THE FUEL LINE WAS CHAFED BY THE UNION FITTING OF A HYD LINE RUNNING PARALLEL TO THE FUEL LINE. UPON REMOVAL OF THE RT BATTERY EVIDENCE OF FUEL SPAYING ON THE BATTERY DURING OPERATION WAS DISCOVERED.

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