As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SECOND OBSERVERS UTILITY LIGHT FOUND MISWIRED AT TERMINAL BLOCK. THIS WAS A FINDING RESULTING FROM A FLEET CAMPAIGN TO CHECK FOR SIMILAR PROBLEMS ON OTHER AIRCRAFT. LIGHT SOCKET PRODUCED SPARKS IF INADVERTENTLY TOUCHED BY A GROUNDING OBJECT. TERMINAL BLOCK WIRING CORRECTED