As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. PERFORMED SYSTEM NR 1 AND NR 2 PRESSURIZATION TEST. SYSTEMS NR 1 AND NR 2 OPERATIONAL CHECK NORMAL. LEAK CHECKED CABIN AND CARGO ENTRY DOORS. NO LEAKS NOTED AS PER MM 21-30-00. AIRCRAFT OK FOR SERVICE. (M)