As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
E/E ACCESS DOOR EICAS MSG ON T/O RTF PER FLIGHT CONTROL AND MX CONTROL. EVENT OCCURED BETWEEN 700 - 1500 FEET AGL (ATB) AND MTX GROUNDED AC . MTX INSPECTED AC AND DEFERRED MEC DOOR INDICATION FOR DEPATURE IAW MEL ABX -52-71-1-1 AND RETURNED AC TO SERVICE .