What was found
AIRCRAFT WAS GROUNDED: LAV SMOKE DETECTOR WENT OFF AND CABIN FILLED WITH A LIGHT HAZE. SMOKE DISCAPATED AS WE HEADED TO THE GATE. UPON ENGINE #2 INSPECTION MAINTENANCE FOUND UPPER OUTBOARD THRUST REVERSER ACTUATOR LEAKING AND SUSPECTED IT AS SOURCE FOR ODORS. **SUPPLEMENTAL REPORT FOR SDR AALA202511199808.** (CLOSED)** MAINTENANCE REPLACED #2 ENGINE UPPER OUTBOARD BLOCKER DOOR ACTUATOR IAW AMM 78-31-41. OPS AND LEAK CHECK GOOD.