As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER 3 HOURS IN CRUISE, FWD CABIN TEMP RAN AWAY & HAD TO RUN IT AT THE FULL COLD STOP. NO WARNINGS OR FAILURE MESSAGES ON PFR. PREVIOUS LEGS HIT P1 CONT 7HH. REPLACED P1 CONT IAW 21-61-34-000-001-A AND 21-61-34-400-001-A. OPS TEST PASSED.