As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK FOUND AT FRAME STATION 400R BETWEEN STRINGER 8R & 9R AROUND THE BUCKED TAIL OF THE INBD ATTACHMENT RIVET OF THE A/C OUTLET EXTRUSION SUPPORT BRACKET. CUT OUT DAMAGED SECTION OF THE FRAME AT STATION 400R BETWEEN STRINGER 8R & 9R, REPAIRED AREA IAW EA 5310-04716 REV G.