As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4937 HAD AFT CARGO DOOR WARNING LIGHT WHILE CLIMBING THROUGH 10,000FT. CREW RAN QRH, NO LOSS OF PRESSURIZATION SO CREW AND DISPATCH DETERMINED IT WAS SAFE TO CONTINUE. ON APPROACH AT 4000FT A/C LOST PRESSURIZATION, PLANE LANDED AND CONTRACT MX FOUND CARGO DOOR HANDLE WAS NOT FULLY ENGAGED.