As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FIRST OFFICERS UTILITY LIGHT MISWIRED AT TERMINAL BLOCK. THIS FINDING WAS RESULT OF A FLEET CAMPAIGN TO CHECK FOR SIMILAR PROBLEMS FOUND ON OTHER AIRCRAFT. LIGHT SOCKET PRODUCES SPARKS IF INADVERTENTLY TOUCHED BY A GROUNDING OBJECT. TERMINAL BLOCK CORRECTLY WIRED.