What was found
"SUP" - SIG EVENT - PILOT REPORTED THAT THE NR 2 TEE HANDLE ILLUMINATED, SHUTDOWN RT ENGINE AND ACTUATED EXTINGUISHER, VISUALLY CHECKED THAT ENGINE WAS FEATHERED. MX INSPECTED FIRE LOOP SYS, FOUND LOOSE GROUND ON AFT CONNECTOR, REPAIRED GROUND REF AIM 14.3.0, RAN ENGINES, OPS CK GOOD.