As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, ON RECALL, LEFT PACK LIGHT ILLUMINATED. PACK LIGHT EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED ZONE TEMP/CONTROL BITE TEST. FAULTED THE RAM ACTUATOR. COULD NOT RESET. R & R LT PACK RAM AIR ACTUATOR IAW AMM 21-51-21. OPS NORMAL. PACK LIGHT CLEARED.