As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY OVER WING DOOR ON LEFT SIDE (L3) INDICATES OPEN , NORMAL PRESSURIZATION IN FLIGHT. RE-POSITIONED EMERGENCY EXIT HATCH COVER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER TSM 52-21-00-810-802