As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKS FOUND IN LOWER FLANGE OF FRAME BETWEN LOWER LT AND RT TAILBOOM ATTACH FITTINGS/INTERCOSTALS. CRACKS EXIST BETWEEN CONSECUTIVE RIVETS AT APPROX THE 5 O`CLOCK AND SEVEN O`CLOCK POSITION. THE FLANGE OF THE CRACKED FRAME APPEARS TO HAVE MILLING MARKS AROUND THE COMPLETE CIRCUMFERENCE. SENT FOR WARRANTY EXCHANGE. RETURN TO BHT CPR/FI LAB INVESTIGATION AS PER BHT PSE ERIC PARENT REQUEST NR 2010010747.