Service difficulty report · Fuel Control · Urocop AS365N3

Difficulty date
September 28, 2014
Submitted
September 30, 2014
Operation
Air carrier
Aircraft
N406EM
Make and model
Urocop AS365N3
Aircraft serial
9042
Aircraft time
7,545 hours, 20,884 cycles
Engine
Lyc LTS101700D2
Engine time
7,725 hours, 9,024 cycles
Part
Fuel Control
Part number
430128806
Part serial
50498
Condition
Leaking
Location
Engine
Stage of operation
AA
How discovered
O
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

ON DAILY INSPECTION TECHNICIAN NOTICED FUEL PUMP LEAKING AT ENG MATING. UPON PUMP REMOVAL DISCOVERED FUEL CONTROL DRIVE BEARING BLUE GREASE LUBRICATION EXCESSIVELY WASHED OUT OF DRIVE. MM STATES IN 72-00-00 PAGE 7 OVERBOARD FUEL PUMP LEAKAGE MAY BE UP TO 4 DROPS PER MINUTE WITH ENG OPERATING IN IDLE RANGE. EXCESSIVE FUEL PUMP LEAKAGE MAY BE INDICATED BY PRESENCE OF BLUE GREASE AT FUEL PUMP TO FUEL CONTROL INTERFACE OR SEAL DRAIN. IF BLUE GREASE STAINS ARE EVIDENT, REPLACE FUEL CONTROL & PUMP ASSEMBLY.

More about the Urocop AS365N3