Service difficulty report · Bladder · Robsin R44

Difficulty date
May 27, 2015
Submitted
June 17, 2015
Operation
General aviation
Aircraft
N4154C
Make and model
Robsin R44
Aircraft serial
1840
Engine
Lyc O540F1B5
Part
Bladder
Part number
C0106
Condition
Contaminated
Location
Fuel
Part time
100 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

MFG HAS COME OUT WITH A SB 78B, TO REPLACE THE MAIN AND AUX FUEL TANKS WITH BLADDER TYPE TANKS FOR THIS SERIES ROTORCRAFT. HAVE NOTICED THAT AT THE FIRST INSPECTION FOLLOWING THE FUEL TANK MODIFICATION THA THE GASCOLATOR/AIR FRAME FUEL FILTER IS HALF COVERED WITH LINT. SUBSEQUENT INSPECTIONS SHOW NO MORE SIGNS OF LINT CONTAMINATION. HAVE HAD NO FUEL STARVATION ISSUES DUE TO THE LINT TO DATE.