What was found
NR 1 ENG FUEL FILTER AMBER LIGHT WITH ECAM FILTER WARNING FOR NR 1 ENG COMPLIED WITH QRH. RELEASED FOR SERVICE IAW MEL: 73-36-03-02: ENGINE (IDENTIFY 1 AND/OR 2) FUEL FILTER LIGHT(S) - INOP. VERIFY AND RECORD IN A ML/EAML THAT FILTER HAS BEEN CHECKED FOR CONTAMINATION ONCE EACH FLIGHT DAY. " MEL MX PROCEDURE PERFORMED IAW AMM 73-12-03, ENG. NR 1 FUEL FILTER REMOVED AND INSPECTED, FOUND CLEAN, NO CONTAMINATION. FUEL FILTER REINSTALLED. LEAK CHECKED WITH IDLE RUN PERFORMED. FOUND OK. ACFT RELEASED IAW MEL 73-36-03-02, FUEL FILTER CHECKED FOR CONTAMINATION, ACFT OK FOR SERVICE. DIFFERENTIAL PRESSURE SWITCH CONNECTOR CHECKED AND CLEANED. LT ENG FUEL FILTER LIGHT INOP. FILTER HAS TO BE CHECKED ONCE EVERY DAY. MX PROCEDURE PERFORMED IAW AMM 73-12-03, ENG. NR 1 FUEL FILTER REMOVED AND INSPECTED, FOUND CLEAN, NO CONTAMINATION. FUEL FILTER REINSTALLED. LEAK CHECKED WITH IDLE RUN PERFORMED. FOUND OK. A/C RELEASED PER MEL 73-36-03-02, FUEL FILTER CHECKED FOR CONTAMINATI ON, A/C OK FOR SERVICE. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH ON GTR 1 AS PER AMM 73-34-11-4. ENGINE RUN PERFORMED AS PER JRH. LEAK TEST PERFORMED. NO LEAK FOUND. ALL TEST PERFORMED FOUND GOOD. MEL CLOSED, STIKER REMOVED.