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