As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK - INTERNAL FLOOR STRUCTURE CENTER CROSSBEAM AT FR 78 HAS 2EA SPOTS OF CHAFFING DAMAGE ON BOTTOM EDGE AS SEEN THROUGH AFT CARGO. COMPLIED WITH ETD2024-170-013947 BY FABRICATING AND INSTALLED AN ''L'' ANGLE REPAIR DOUBLER TO CROSSBEAM FRAME 78 LOWER FLANGE.