As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR L1 OPENED IN FLIGHT 4 INCHES PRESSURIZATION. DID LOTS OF ABNORMAL THINGS TURN ON PACKS ON HIGH, HELPED PART-TIME. ALSO HEARD 2 LOUD THUMPS BELOW CAPTAINS FEET. 1L NOT CLOSING PROPERLY DUE TO VERY DETERIORATED & DAMAGED GUIDE ARM ROD END. R & R GUIDE ARM ROD END & ADJUSTED IAW AMM 52-11-21-400-802, DOOR OPERATES NORMAL.