What was found
AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF OIL TEMP INDICATION HIGH. ESD 165 LIGHTS ILLUM. TEMP PEAKED AT 193 MOMENTARILY. ALL OTHER INDICATIONS NORMAL. COMMANDED ENGINE SHUT DOWN. ENGINE WINDMILL FOR 20 MINS, OIL PRESS ABOVE 10 PSI CONTINUOUSLY. MAINTENANCE REPORTS L/H ENGINE OIL TEMP TABS NORMAL. FOUND BROKEN WIRE ON L/H ENGIN OIL TEMP BULB P1-812 PIN B. REPINNED B ON P1-812 IAW WDM 79-3-00. RAN BOTH ENGINES. TEMPS NORMAL IAW MM 72-00-00. OK FOR SERVICE.