As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME 480R CRACKED AT INBD RIVET ATTACHING THE BRACKET TO THE FRAME BETWEEN STRINGER 8R & 9R. REPAIRED CRACKED AREA AT STATION 480R BETWEEN STRINGER 8R & 9R IAW EA5310-04716 REV G, FIG 3. THIS IS A CATEGORY A REPAIR, NO FURTHER ACTION REQUIRED.