What was found
RAMP REPORTED THAT NO. 2 ENGINE IS LEAKING FUEL FROM DRAIN MAST. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION REF B737-900 AMM 71-71-00-200-801-F00. FOUND MAIN OIL/ FUEL HEAT EXCHANGER PAD DRAIN LEAKING 24 DROPS PER MINUTE. RAN NO. 2 ENGINE FOR 5 MINUTES MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN LEAKING 2 DROP PER MINUTE WITHIN DEFERRABLE LIMITS PER AMM 71-71-00-200-801-F00 FIG. 605. REPAIR WITHIN 25 FLIGHT CYCLES. REMOVED AND REPLACED #2 ENG MAIN OIL/FUEL HEAT EXCHANGER IAW AMM 79-21-02-000-801-F00/AMM 79-21-02-400-801-F00. ACCOMPLISHED TEST 3A, LEAK CK GOOD FOR MAIN OIL/FUEL HEAT EXCHANGER & SERVO FUEL HEATER.