As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 14,000 FT, A MASTER CAUTION FOR THE LT PACK ILLUMINATED. TRIP RESET EXTINGUISHED THE LIGHT. ACFT GROUNDED. PERFORMED A NR 1 PACK ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. NO FAULTS NOTED. NO HISTORY WITHIN 120 DAYS.