As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN TEMP EICAS MSG PRIOR TO BLOCK OUT(<P>DEFER PER MEL 21-61-01-02 CAT C DUE 13JUN21 REF MDDR 147976 CW AT 22:41Z.</P><P>LOG 1343041 ITEM #4 TROUBLE SHOOT PER FIM 21-60 FAULT TREE 806. MESSAGE NOT DISPLAYED. OPS NORMAL. THIS CLEARS MDDR #147976. ID@0118Z</P>)