As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** R1 DOOR DOES NOT LOCK IN OPEN POSITION DURING EMERGENCY OPENING. R1 DOOR SUPPORT ARM CHAIN ADJUSTED AS PER AMM 52-41-00-820-801 SUBTASK 820-003, DOOR OPS TEST OF R1 DOOR EMERGENCY EVACUATION SLIDE MECHANISM IN EMERGENCY CONFIGURATION AS PER AMM 52-41-40-700-801. EMERGENCY OPENING SYSTEM DIAPHRAGM REPLACED AS PER AMM 52-41-51-200-802. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.