What was found
Flt#94, OAK to JFK, Multiple faults occurred in flight including RA1, Nose wheel steering, #1 PFD, ND, #1 TLS, GPS, Blue electrical Hyd, #1 RMP, MCDU.Found phase "C" of eng and firewall disconnect plugs overheated. plug 400VC1 firewall plug pin "C" replaced per SPM 20-48-23. Replaced eng gen electrical harness 400VC-A, Ops check of generators and system normal per 24-21-00-710-042 normal. Closed cowling per AMM 71-13-00.