As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED ANTENNA FROM TOP OF TAILCONE, FOUND CRACKS IN SKINS P/N 1210504-4 AND P/N 1210504-6. FURTHER INVESTIGATION REVEALED REPAIRED BULKHEAD. PREVIOUSLY INSTALLED REPAIR AND SKIN DOUBLER FOUND CRACKED AS WELL. POOR LOCATION FOR ANTENNA INSTALLATION DUE TO LIGHT STRUCTURE. CONTRIBUTING WAS POOR QUALITY OF REPAIR TO BULKHEAD AND SKIN DOUBLER.