As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INVESTIGATION FOLLOWING A HUMS RED TRDS INDICATION & A SHARP RISE NOTED ON TRDS FSA S001A7 AT CRUISE. DARF BR-WH-021 INSPECTIONS REVEALED DE-BONDED SKIN UNDER THE SUPPORT STRUCTURE FOR THE TRDS BEARING. CURRENTLY WAITING FOR A REPLY FROM ENGINEERING.