As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-12 CHECK 2 EACH CRACKS WERE FOUND ON VERTICAL STABILIZER TRAILING EDGE BEAM AT RT SIDE OF YAW DAMPER CAVITY INTERIOR, APPROXIMATELY RIB STA 100. MAINTENANCE REMOVED CRACKED SECTION OF VERTICAL STABILIZER BEAM AT RT SIDE OF YAW DAMPER CAVITY INTERIOR, RS 100; FABRICATED A NEW SECTION OF REPLACEMENT BEAM AND 4 EACH REPAIR ANGLES; INSTALLED REPAIR PARTS IAW B757-200 SRM 51-70-12, PG 1-6, FIG 1.