Service difficulty report · Pump · Cessna U206G

Difficulty date
July 1, 2026
Submitted
July 20, 2026
Operation
General aviation
Aircraft
N6153Z
Make and model
Cessna U206G
Aircraft serial
U20606162
Aircraft time
4,363 hours
Engine
Cont IO550N
Engine time
672 hours
Propeller
Hartzl PHCJ3YF1
Part
Pump
Part number
6559214A3
Part serial
B196A082
Condition
Leaking
Location
Zone 400
Part time
672 hours
Stage of operation
IN
How discovered
V
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

DURING A POST FLIGHT INSPECTION THE PILOT OBSERVED BLUE STAINS ON THE BACK OF THE ENGINE DRIVEN FUEL PUMP. FUEL WAS FOUND TO BE SEEPING FROM THE SMALL WEEP HOLE ON THE PUMP NEAR THE UNMETERED FUEL PRESSURE ADJUSTER SCREW. THIS PUMP WAS REMOVED FROM SERVICE AND SENT FOR OVERHAUL. TOTAL TIME ON PUMP 672.2 HOURS.

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