As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK, SMOKE WAS DETECTED IN CREW & PAX CABINS. PERFORMED FAULT ISOLATION PROCEDURE IAW DMC-B787-A-24-10-F5-G4A-421A-A, DETECTING THE MSG CABIN AIR CPRSR R1 STATUS & MSGS 21-41510 & 21-65211. SO THE ACM WAS REPLACED IAW DMC-B787-A-21-52-02-01A-520A-A. TESTED CORRECT & THE FLIGHT DECK BOOST FAN WAS DEFERRED IAW MEL 21-22-1 CAT C, ALL CORRECT. DURING OVERNIGHT CHECK, THE FLIGHT DECK BOOST FAN WAS REPLACED IAW DMC-B787-A-21-50-F2-68A-421A-A. TESTED CORRECT & THE REPORT WAS CLOSED.