Service difficulty report · Pump · Robsin R44RAVENII

Difficulty date
May 26, 2015
Submitted
August 5, 2015
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
6,194 hours
Engine
Lyc IO540AE1A5
Part
Pump
Part number
62B26931
Condition
Leaking
Location
Engine
Stage of operation
LD
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

(CAN) THE FUEL PUMP WAS NOTED TO BE LEAKING FUEL BY GROUND CREWS AFTER 2.1 HOURS’ TIME SINCE NEW. THE FUEL PUMP HAD BEEN INSTALLED NEW ON THE ENGINE. AS PART OF A NEW EXCHANGE ENGINE PURCHASED & INSTALLED DURING AN OVERHAUL. THE FUEL PUMP WAS LEAKING FROM THE OVERBOARD DRAIN HOSE, WHICH IS A TATTLE TALE THAT CAN EITHER LEAK ENGINE OIL OR FUEL, DEPENDING ON WHICH PART OF THE FUEL PUMP FAILS.