As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTURE, SMOKE TOILET MESSAGE AND SMOKE REPORTED BY FLIGHT ATTENDANT. RETURNED FOR LANDING SLC. DEF RT PACK PER MM 21-51-1. FOUND RIGHT PACK OVERTEMP SWITCH INOPERATIVE. PARTS ON ORDER 04/15/97 -UPDATE - REPLACED RIGHT PACK OVERTEMP SWITCH, OPS CHECKS GOOD.