What was found
FUEL DRIPPING FROM LOWER COWL OF NR 1 ENGINE. REMOVED FROM SERVICE. OPENED AND CLOSED NR 1 FAN COWLS IAW E175 AMM 71-13-00-910-801-/802A. OPENED & CLOSED LATCHES ON NR 1 THRUST REVERSER IAW AMM 78-30-01-910-801/802A. PERFORMED GVI OF VISIBLE AREA. NOTED FUEL CONTINEUSLY DRIPPING FROM INSIDE THRUST REVERSER NEAR CENTER/ IFS LATCH WHILE ENGINE IS NOT OPERATING. OPENED FAN COWLS/THRUST REVERSERS ON NR 1 ENG, FOUND SOURCE OF LEAK TO BE FROM FUEL PUMP FWD RELIEF VALVE. R & R NR 1 FUEL PUMP AMM 73-11-01-00-801-A. INSTALLED SERVICEABLE FUEL PUMP ON NR 1 ENG REF AMM 73-11-01-400-801-A. CLEANED FUEL RESIDUES AND PERFORMED RUNS ON NR 1 ENG NO FURTHER LEAKAGE NOTED / OPS CHECK NORMAL. A/C RELEASED FOR SERVICE.