As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERG DECLARED - NO EMERG EQUIP USED. ** ON CLIMB OUT GOT AFT CARGO DOOR EICAS MESSAGE AND CARGO DOOR OVERHEAD LIGHT. DEFERRED AFT CARGO DOOR INDICATION & C/W DMP PER MEL 52-71-1-1. VERIFIED AFT CARGO DOOR IS LATCHED & LOCKED PRIOR TO DEPARTURE. PLACARD INSTALLED. DEFERAL # M735766CYCLED AFT CARGO DOOR W/ REF TO 52-37-00-201. CAN NOT DUPLICATE M735766 REMOVED.