As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7150 - JFK-IAD - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO PASSENGER DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 44088, MEL 52-2. MAINTENANCE CLOSED DMI 44088 ON 5-3-98 CYCLING PASSENGER DOOR SEVERAL TIME AND COULD NOT DUPLICATE AND NO DEFECTS NOTED, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)