SDR AU980479

Service difficulty report · Filter · Piper PA31350

Difficulty date: April 28, 1998
Submitted: March 26, 2000
Operation: General aviation
Make and model: Piper PA31350
System (JASC): 2821 · Aircraft Fuel Filter/Strainer
Part: Filter
Condition: Contaminated
Location: Fuel Sys
Stage of operation: IN
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

(AUS) DURING MAINTENANCE, BOTH MAIN FUEL FILTERS WERE FOUND HEAVILY CONTAMINATED BY A GREASY SUBSTANCE OVER THE FILTER WAFERS. THE SUBSTANCE WAS FOUND TO BE WATER SOLUBLE AND WHEN LEFT IN WATER PRODUCED (BY MULTIPLICATION), A GELATINOUS FUNGUS LIKE SUBSTANCE.

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