As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENG START VALVE OPEN LIGHT ON. RETURNED TO RAMP. FAULT T/S CARRIED OUT. SHAKE CHECK OF WIRING ON ENG STRUT PLUGS AND ENG DISCONNECT PLUGS UNABLE TO REPRODUCE DEFECT. ENG DISCONNECT PLUG D0014P DISCONNECTED AND FOUND STRUT CONNECTOR D0044J BADLY CONTAMINATED AND INSULATION ROTTEN. CHANGED CONNECTOR PER WDM 20-11-11 AND SYSTEM CHECKED OK ON ENG RUN.