Service difficulty report · Drain Valve · Cessna 550

Difficulty date
February 1, 2002
Submitted
February 1, 2002
Operation
General aviation
Aircraft
N26494
Make and model
Cessna 550
Aircraft serial
5500605
Aircraft time
8,327 hours, 5,007 cycles
Engine
Pwa JT15D4
Engine time
1,390 hours, 2,768 cycles
Part
Drain Valve
Part number
555501125
Condition
Cracked
Location
Engine
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 PHASE 1 & 2 INSPECTION, THE ENGINES WERE DE-COWLED FOR THE OIL FILTER CLEANING ITEM. A MECHANIC NOTICED SOME FUEL RESIDUE AROUND THE FUEL DRAIN "EPA" CAN. UPON INSPECTION THE CAN WAS FOUND TO HAVE A MOUNTING BRACKET BROKEN OFF OF IT. THE BREAK WAS WHERE THE BRACKET WAS WELDED TO THE CAN AND IT ACTUALLY WAS THE CAN ITSELF THAT HAD BROKEN, NOT THE BRACKET. THE OPPOSITE ENGINE WAS INSPECTED AND IT HAD A SIMILAR CRACK. IN RESEARCHING THIS PART, IT WAS FOUND THAT IN THE PAST YEAR, THIS PART HAD BEEN REPLACED ON 6 OTHER ENGINES FOR THE SAME REASON AT THIS LOCATION. THIS DEFINITELY SEEMS TO BE AN ITEM THAT DESERVES MORE ATTENTION WHEN INSPECTING THE ENGINES.

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