As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED FLIGHT FROM PHL TO YTZ, FUSELAGE DOOR WARNING LIGHT ILLUMINATED UPON REACHING FL240. DOORS PAGE SHOWED IT TO BE THE AFT BAGGAGE DOOR. PRESSURIZATION REMAINED NORMAL. AIRCRAFT RETURNED TO PHL. -NOTE- FAILED PART AND COMPONENT TIMES AND CYCLES ARE UNKNOWN. THE NUMBER 1 WAS USED FOR TIMES AND CYCLES IN LIEU OF KNOWN NUMBERS.