As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TROUBLESHOT INTERMITTENT ENGINE ANTI-ICING ANNUNCIATOR FAULT COMPLAINTS IAW MM AND TECH SUPPORT. FOUND (5) WORN/LOOSE PINS IN LT SIDEWALL AREA CONNECTOR P1289. REPLACED PINS AND REINSTALLED CONNECTOR. TKS/ENGINE ANTI-ICE SYSTEMS OPERATIONAL CHECKS, OK. SUSPECT RELATIVELY HIGH AC TT AND MAINT OPERATIONS IN AREA A POSSIBLE CASUAL FACTOR.