As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, LEFT PACK ANNUNCIATOR ILLUMINATED. ANNUNCIATOR EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK-ZONE TEMPERATURE CONTROLLER BITE PROCEDURE FOR NR 1 CONTROLLER, IAW FIM 21-62, TASK 801. TEST PASSED. NO FAULTS NOTED.