As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT REVERSER INTERLOCK STATUS MESSAGE INFLT. REPLACED INTERLOCK ACTUATOR PER MM, NO HELP. ACTUATOR ALWAYS POWERED TO EXT END. PIMU INTERLOCK BITE WITH CONNECTOR OFF EEC P8, P4 HAD SHORT TO GROUND ON X2 OF K2045 107441. REMOVED AND RESEATED FIREWALL CONNECTOR D8320. SHORT GONE REINSTALLED CONNECTORS AND RELAY. PIMU MESSAGES GONE. INTERLOCK ACTUATOR OPS CHECKED GOOD.