What was found
CREW REPORTED A CHEMICAL ODOR IN CABIN WITH PACKS ON (AIRCRAFT PARKED AT GATE). SMOKE WAS ALSO PRESENT. MAINTENANCE ACCOMPLISHED JOB CARDS. FOUND NR 1 ENGINE OVERSERVICED. DRAINED 1 QUART OF OIL FROM NR 1 ENGINE. MAINTENANCE ALSO ACCOMPLISHED THE FOLLOWING: RESEALED NR 1 AND NR 2 ENGINE STARTER DRIVE AND SHAFT SEALS PER AMM 72-060-22-400-010A. LEAK CHECK GOOD. RESEALED NR 2 ENGINE DEOILER PER AMM 72-60-31. LEAK CHECK GOOD. REPLACED NR 1 ENGINE LOWER I/B THRUST REVERSER ACTUATOR PER AMM 78-32-43, PB 401. OPS AND LEAK CHECK GOOD. OPS CHECK OF APU, NR 1 ENGINE, NR 2 ENGINE AND PACK SYSTEM NORMAL. OK FOR SERVICE.