As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DOOR WARNING AFTER TAKEOFF. EMERGENCY DOOR INDICATED UNSAFE. PRESSURIZATION WAS NORMAL. RETURNED TO FIELD. WARNING WENT OUT AFTER LANDING. INTERROGATED PSEU, NO PRESENT FAULTS. PERFORMED GVI OF FWD EMERGENCY EXIT DOOR IAW AMM TASK 52-23-00-210-801. CLEANED, PERFORMED OPS TEST OF FWD EMERGENCY DOOR IAW AMM TASK 52-22-00-710-803. NO FURTHER DEFECTS. RETURNED TO SERVICE.