As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: RECEIVED ECAM "DOOR LEFT AFT EMERGENCY EXIT" WHILE CLIMBING THROUGH FL220. ECAM SELF CLEARED AFTER A FEW SECONDS. MAINTENANCE ADJUSTED DETECTOR PROXIMITY SWITCH 61WV1 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-71-13 WITH NO FAULTS NOTED.