What was found
AFT FUSELAGE BULKHEAD, LEFT SIDE BELOW THE UPPER LIGHT ASSEMBLY, HORIZONTAL RIB HAD DEEP WEAR. REPAIRED THE DAMAGED RIB IAW EA 8-5310-TO341640.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT FUSELAGE BULKHEAD, LEFT SIDE BELOW THE UPPER LIGHT ASSEMBLY, HORIZONTAL RIB HAD DEEP WEAR. REPAIRED THE DAMAGED RIB IAW EA 8-5310-TO341640.