Service difficulty report · Bladder · Piper PA25235

Difficulty date
September 20, 2005
Submitted
September 20, 2005
Operation
General aviation
Aircraft
N4827Y
Make and model
Piper PA25235
Aircraft serial
254618
Aircraft time
3,400 hours
Engine
Lyc O540*
Part
Bladder
Condition
Collapsed
Location
Fuel Tank
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FOUND AC TO HAVE DAMAGE TO L G BUNGEE, LT BOOM OB ATTACH POINT AT AFT WING CLOSEOUT. NO FUEL IN TANK, VERIFIED BY REMOVAL OF FUEL LINE AT FUEL VALVE ON BOTTOM OF TANK. FILLED TANK TO OVERFLOW CONDITION. WAS ONLY ABLE TO GET 23.2 OF 38 GALLONS INTO TANK. FUEL BLAD PARTIALLY COLLAPSED, UNABLE TO BLOW AIR THROUGH FUEL VENT. LINE WAS PARTIALLY BLOCKED WHICH COULD HAVE CAUSED FUEL CONSUMPTION TO COLLAPSE BLAD UNHOOKING UPPER SNAPS. SB INSTALLS BOLT, WIDE AREA WASHER IN BOTTOM OF TANK DIRECTLY BELOW FUEL GAGE/FLOAT TO HOLD BLADDER IN PLACE. TANK/BLADDER TO BE INSP DURING AC REPAIR TO DETERMINE IF BLOCKED VENT CAUSED UPPER BLADDER SNAPS TO UNHOOK COLLAPSING TANK, PREVENTING FULL USABLE FUEL CAPACITY.

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