As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HAD A LEFT PACK LIGHT ILLUMINATED AT CRUISE, RAN THE CHECKLIST & PUSHED THE TRIP RESET AND THE LIGHT EXTINGUISHED. RESET SEVERAL TIMES. GROUNDED-YES. REMOVED AND REPLACE LT PACK SMART RAM AIR ACUATOR AFT. OPERATIONS CHECKS GOOD, ACCOMPLISHED BITE CHECK, NO FAULTS NOTED.