As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE MEMO SHOWS ON CMCF ANTI-ICE WING ANTI-ICE WING, MAINTENANCE MESSAGE 30-20072 - FAULT ISOLATION REFERENCE: DMC-B787-A-30-10-F1-16A-421A-A. WIPS ZONE CONTROL CARD 12 FAILED. WING ICE PROTECTION CONTROLLER CARD 12 - REMOVAL AND INSTALL REFERENCE: DMC-B787-A-30-11-03-00A-520A-A. LOADED SOFTWEAR AS NEEDED. WING ANTI ICE MSG CLEARED. WING ICE PROTECTION SYSTEM - SYSTEM TEST REFERENCE: DMC-B787-A-30-11-00-01A-300B-A. ALL TESTED OK. WING ANTI ICE SYSTEM PASSED.