What was found
FLT 1604, JFK-PWM, DIVERTED TO BOS DUE A-I WING 2 LEAK EICAS WARNING MSG DISPLAYED DURING CLIMBOUT 11,000 FT OCCURED DURING A-I WING TEST. HARD FAULT WARNING ON EICAS, RT TEMP SENSOR SLAT 4 INBOARD (FAULT CODE 301142021 AM1). REMOVED AND REPLACED SLAT HARNESS W612 AND TEMP SENSOR PER AMM 27-83-07, AMM 30-11-02 AI OPERATION CHECKS NORMALLY. OK FOR SERVICE.