What was found
BOS - FLT 2993 - ON CLIMB-OUT FROM BOS, EN ROUTE TO FLL, THE NR 1 GENERATOR BUS OFF LIGHT ILLUMINATED. CREW TRIED TO RESET GENERATOR WITH NO HELP. THE APU WAS ALREADY ON MEL SO THE FLIGHT RETURNED TO FIELD AT BOS AND LANDED WITHOUT FURTHR INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REPAIRED THE NR 1 ENGINE GENERATOR FEEDER CABLES AT LEADING EDGE OF LEFT WING, INBOARD SIDE, PER BOEING STANDARD PRACTICE 20-30-13 AND 20-61-19. INSTALLED NEW CABLES AND FIREWALL DISCONNECT. OPS CHECK GOOD. CLEARED MEL ON APU BY REMOVING AND REPLACING THE APU LOAD STAT (P/N 129552-11). (M)