As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING PIT, THE CREW ADVISED MAINTENANCE CONTROL OF A LEFT HAND PACK FAIL INDICATION. MAINTENANCE CONTROL ADVISED THE CREW TO RETURN TO PIT. MAINTENANCE THEN INSPECTED AND REPLACED THE OVERTEMP SWITCH ON THE LEFT HAND PACK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.