SDR 95ZZZX2417

Service difficulty report · Sender · Mooney M20J

Difficulty date
May 1, 1995
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N5211Z
Make and model
Mooney M20J
Aircraft serial
241653
Part
Sender
Part number
6102421
Condition
Float Detached
Location
Rt Fuel Tank
Part time
547 hours
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

WHILE TROUBLESHOOTING AN INACCURATE FUEL QUANTITY PROBLEM, DISCOVERED THE PLASTIC FLOAT ON THE END OF THE FUEL SENDER ARM HAD COME OFF AND WAS FLOATING IN THE FUEL TANK. THE FLOAT IS RETAINED BY A WASHER AND CRIMPING OF THE END OF THE SHAFT. THE CRIMP WAS INADEQUATE WHICH ALLOWED WASHER AND FLOAT TO COME OFF THE SHAFT RESULTING IN AN ERRONEOUS QUANTITY READING. SUBMITTER RECOMMENDS A MORE POSITIVE METHOD OF FLOAT RETENTION BE UTILIZED DURING MANUFACTURE.

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