As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM: AIRCRAFT WOULD NOT PRESSURIZE LOUD NOISE AT L1 DOOR. FOUND DOOR BARRIER STRAP IN DOOR SEAL NOT PROPERLY STOWED. PROPERLY STOWED STRAP. PRESSURIZED A/C IAW TASK 052/51/9 AND OPS CHECKED DOOR IAW 55-11-00 PAGE 601. A/C PRESSURIZED NO FURTHER ISSUES OK FOR SERVICE.