As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ACFT FAILED TO PRESSURIZE AFTER TAKEOFF. RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MX TROUBLESHOT, FOUND MAIN FEED MANIFOLD CRACKED, R & R MAIN FEED MANIFOLD AND PERFORMED CHECKS USING AMM. ACFT RELEASED FOR SERVICE.