Service difficulty report · Line · Dhav DHC6300

Difficulty date
January 29, 2007
Submitted
May 1, 2007
Operation
General aviation
Make and model
Dhav DHC6300
Aircraft time
33,821 hours
Engine
Pwa PT6A27
Propeller
Hartzl HCB3TN3
Part
Line
Condition
Leaking
Location
Fuel Vacuum
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) FLIGHT CREWS REPORTED THAT FUEL FLOW FLUCTUATES WHEN BOOST PUMPS ARE SELECTED OFF. SEVERAL VACUUM LEAKS WHERE FOUND IN THE FUEL LINES IN THE NACELLE AREA. SYSTEM SEALED AS REQUIRED, ENGINE GROUND RUNS CARRIED OUT AND NO FLUCTUATIONS NOTED AT TAKEOFF POWER WITH BOOST PUMPS OFF. (TC NR 20070130001)