What was found
ELEC GEN SYS L1 ADVISORY LEFT 1 GENERATOR CHANNEL INOPERATIVE. ELEC GEN OFF L1 OK TO DEFER L-1 GEN DEFERRED DIRECTLY BY TOMC PER AHM REPLACE L-1 GCU M/E 79-2422-9-0001 SHOWN IN STOCK EWR CMCF SHOWS MM 24-16511, T/S PER FIM INDICATIONS NORMAL. DMC-B787-A-24-20-F0-K5A-421A-A. REMOVED AND REPLACED L1 GCU PER ROTABLE PARTS CHANGE WAS INDICATED - TT # 1925413 SN OFF 2994 DMC-B787-A-24-22-02-01A-520A-A/ 720A-A. CONFIRMED CORRECT SOFTWARE INSTALLED AND PERFORMED OPS TEST AND ENG RUN WITH ALL GENERATOR, CONT OFF 79-2422-9-0001 2994 ON 79-2422-9-0001 5838