As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AT GATE) RT PACK HIGH TEMP IND FOLLOWED BY REPORT FROM F/A OF WARM CABIN TEMP AND HAZE IN CABIN. OPERATED RT PACK FOR 30 MINUTES, ZERO DEFECTS NOTED. OPERATED LT PACK, LIGHT, FANS, LAV FLUSH ETC IN CABIN AND LAV. NO DEFECTS NOTED. ACFT RELEASED FOR SERVICE. (K)