What was found
REPEAT LOG ON TAXI OUT, MULTIPLE ECAM MESSAGES RELATED TO RT MLG SENSOR 22GA. PHYSICAL INSPECTION OF SENSOR 22GA ON RT GEAR, NO OBVIOUS DEFECTS IAW PFR MESSAGE 32-31-73, 22GA TARGET POSITION SOURCE LGCIU 2, IAW TSM 32-31-00-810-842-A. MESSAGE DID NOT OCCUR UNTIL AFTER BOTH ENGS WERE RUNNING & INITIAL TAXI. SENSOR 22GA CONNECTOR PLUG DETERIORATED INTERNALLY BY CORROSION. CONNECTOR TO 22GA SENSOR WAS REPLACED & CHECKED OK IAW AMM TK 32-69-00-740-001.