As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REMOVING FUEL PRESSURE TRANSDUCER, IT WAS NOTED THAT THE CANNON PLUG ATTACHED HAD BEEN EXPOSED TO VARIOUS CORROSIVE ELEMENTS AND HAD CORRODED TO THE EXTENT THAT THE PLUG COULD NOT BE REMOVED WITHOUT DAMAGING THE PLUG AND TRANSDUCER. REPLACED WITH SERVICEABLE CANNON PLUG AND TRANSDUCER.