What was found
NR 1 ENG FUEL FILTER CLOG AT 19000 FT IN CLIMB - RETURNED PWR TO IDLE. WARNING REMAINING ON. MEL 21MAR10 RELEASED FOR SERVICE IAW MEL: 73-36-03-02 CATEGORY: C EXPIRATION: 31MAR10 NR1 ENG FUEL FILTER INSPECTED & NO CONTAMINATION FOUND. REPLACED FUEL FILTER IAW MM 73-12-03-4. LEAK CHECK OK. FUEL FILTER CLOG LIGHT STILL REMAIN ON. DEFERRED IAW MEL 73-36-03-02. ENG NR1 FUEL FILTER LIGHTS - INOP. OVERWEIGHT LANDING - LANDING WT 29,613. 100 ~ 150 FPN TOUCHDOWN. VISUAL INSP FOR OVERWEIGHT LANDING PERFORMED IAW MM 05-51-11-0. NO ABNORMALITY NOTED. DEFERRED IAW MEL 73-36-03-02, NR 1 ENG FUEL FILTER LIGHT INOP. R & R NR 1 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-11-4,DRY MOTOR IAW JRH,TEST PASSED AND NO LEAK. DMI CLEARED AND PLACARD REMOVED.