What was found
LAVATORY SMOKE ALARM ON DEPARTURE, NO VISIBLE SMOKE OR FIRE BUT ODD SMELL IN AFT RT LAVATORY. FOUND A LEAK AT THE LT THRUST REVERSER CONTROL VLV & APU OIL PUMP SUCTION LINE. TIGHTENED ALL FITTINGS, LEAK CHECK GOOD. PERFORMED PACK BURN OUT & CHANGED THE COALESCE BAGS, ODOR DISSIPATED. WORK PERFORMED IAW AMM 21-20-00, 49-00-00 & 78-31-04.