What was found
LEFT PACK WONT COME ON LINE AND ELEC SMELL IN CABIN TRIED RESET AIR COND , NO HELP. REQUEST MEL. SMOKE IN CABIN FORM UPLOADED WHEN PACK WAS SHUTDOWN THE SMOKE DISAPPATED. PERFORMED OPSCHECKS OF BOTH RECIRC FANS NO SMOKE NOTED. CORRECTION NO SMOKE PRESENT JUST ODOR. TOMC APPROVES DEF OF THE LEFT ACM PER MEL 2152BD AS REQUESTED - SEE ASSOCIATED DEF'S ON LP'S 5137172 (LEFT PACK), 5137205 (OFCR INOP) AND LP 5137228 (OFAR INOP). LEFT ACM DEFERRED PER MEL 2125BD. REMOVED LEFT AIR CYCLE MACHINE REF AMM DMC-B787-A-21-52-02-01A-520A-A INSTALLED NEW LEFT AIR CYCLE MACHINE REF AMM DMC-B787-A-21-52-02-01A-720A-A UP TO STEP 1. C. (11). MUST CONTINUE FROM INSTALLATION AMM STEP 1.C.(12) CONTINUED LEFT AIR CYCLE MACHINE INSTALLATION REF AMM DMC-B787-A-21-52-02-01A-720A-A COMPLETED 1.C. CONTINUE FROM STEP 1.D LEFT AIR CYCLE MACHINE-POST INSTALLATION TEST. PERFORMED POST INSTALLATION OPERATIONAL CHECK, TESTS PASSED IAW AMM 21-52-02. NO LEAKS NOTED.