As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE START OF NR 2 ENGINE, CONTROL LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE. ACFT GROUNDED. FAULT 73-31322. PERFORMED FIM TASK 73-22 803. FOUND NR 2 ENGINE EEC ID PLUG LOOSE. GVI PLUG & CLEANED OK, REINSTALLED, EEC CHECKED OK, GROUND VERIFICATION RUN CHECKED OK.