As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT STATION 400L BETWEEN STRINGER 8 & 9 AT THE AIR CONDITIONING OUTLET EXTRUSION SUPPORT ATTACHMENT TO THE FUSELAGE FRAME, THE FRAME HAS A CRACK INDICATION AT THE INBD ATTACH RIVET. REMOVED FASTENERS CUT OUT TWO EACH RIVET HOLES FABRICATED REPAIR ANGLES & INSTALLED REPAIR IAW EA 5310-04716 REV G.