As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISARM THE OFF-WING ESCAPE SYSTEM-INSTALLED THE SAFETY PIN INTO THE SAFETY HOLE OF THE LEFT INFLATION CYLINDER REGULATOR FOR MX.PER AMM 25-65-00. REMOVED AND STOWED SAFETY PIN FROM LEFT INFALTION CYLINDER REGULATOR IAW 25-65-01 VERIFIED REMOVAL AND STOWAGE OF SAFETY PIN OF LH O/W SLIDE INFLATION CYLINDER REGULATOR.