Service difficulty report · Fuel Strainer · Robsin R22BETAII

Difficulty date
September 16, 2010
Submitted
September 27, 2010
Operation
General aviation
Aircraft
N7681H
Make and model
Robsin R22BETAII
Aircraft serial
3852
Aircraft time
2,171 hours
Engine
Lyc O360J2A
Engine time
2,171 hours
Part
Fuel Strainer
Part number
95509
Condition
Separated
Location
Carburetor
Part time
2,171 hours
Component
Carburetor · MA4SPA
Component part number
105217
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

THE CARBURETOR FUEL INLET STRAINER IS TO BE REMOVED, INSPECTED AND CLEANED AT EACH 50 HRS. OF ENG OPERATION IAW MM PN 60297-12, CHAPTER 4, ITEM 3, (50-HOUR INSP, (FUEL AND INDUCTION SYS). THIS IS THE FIRST TIME I HAVE DISCOVERED SUCH A DISCREPANCY. FOUND THE SCREEN SEPARATED FROM THE STAINLESS FITTING. NO OTHER DAMAGE OR DISCREPANCIES WERE NOTED. THE ADHESIVE THAT BONDS THE SCREEN TO THE FITTING WAS INTACT AND APPEARED PERFECT, IT HOWEVER WAS NOT ADHERED TO THE STAINLESS FITTING. THE SCREEN HAD NOT SEPARATED FROM THE FITTING COMPLETELY AND WAS THEREFORE STILL PROVIDING FILTERING OF THE FUEL AT THIS POINT. THE CONCERN IS IF THE SCREEN SEPARATES COMPLETELY THAT THE FUEL WILL NO LONGER BE FILTERED.