Service difficulty report · Fitting · Piper PA31350

Difficulty date
January 1, 2014
Submitted
September 14, 2015
Operation
General aviation
Make and model
Piper PA31350
Aircraft time
16,990 hours
Engine
Lyc LTIO540J2BD
Propeller
Hartzl HCE3YR2A
Part
Fitting
Part number
6768D
Condition
Cracked
Location
Hose
Part time
17,079 hours
Component
Hose Assy · Parkerhanfin
Component part number
1560018D0130
Stage of operation
IN
How discovered
9
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

(CAN) DURING ROUTINE INSPECTION MAINTENANCE FOUND THE FUEL SUPPLY HOSE, FROM FUEL TANK-TO-BOOST PUMP INLET, IN RT WING ROOT WITH HOSE FITTING SLEEVE-NUT PIECE BROKEN AWAY AND HOSE FITTING SLEEVE-NUT AT THE OTHER END WITH HOSE SLEEVE-NUT CRACKED. EVIDENCE OF SEVERE CORROSION UNDER AND BETWEEN FITTING SLEEVE AND HOSE BRAIDED COVER CAUSING SLEEVE TO SPLIT. THIS CONDITION HAS BEEN FOUND ON 3 OTHER ACFT AT THE SAME LOCATION, NO CRACKS FOUND BUT EVIDENCE OF EXTENSIVE CORROSION.

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