As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL AFTER ENGINE START RT PACK LIGHT ILLUMINATED. LIGHT EXTINGUISHED WITH MASTER CAUTION RESET, ACFT GROUNDED. PERFORMED RT TEMP CONTROLLER BITE TEST. BITE TESTED NO FAULTS REF MM 21-51-00. OPERATED PACKS FULL COLD THIN FULL HOT SEVERAL TIMES COULD NOT DUPLICATE DISCREPANCY.