As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT 5647, L/P 6375523) LT AFT ENTRY DOOR MESSAGE ON AT 19,000 STAYED ON THROUGH FLT. CORRECTIVE ACTION: B757-200 CFRFIM 52-71-00-815-002 BLOCKS 1 & 21 WERE PERFORMED FAULT WAS CORRECTED. MESSAGE L AFT ENT DOOR OUT OF VIEW WITH DOOR CLOSED.