What was found
VERTICAL STABILIZER LEADING EDGE SKIN ATTACH RIVETS WORKING. FOUND THAT THE ORIGINAL UNIVERSAL HEAD RIVETS WERE REPLACED WITH FLUSH RIVETS. THE SKIN WAS COUNTERSUNK TO ACCOMMODATE THE RIVETS, HOWEVER THE SKIN WAS TOO THIN TO COUNTERSINK AND EVENTUALLY WORKED LOOSE. SKIN WAS REPAIRED IAW DER ENGINEERING REPORT AND CORRECT RIVETS INSTALLED. STRICT ADHERENCE TO PUBLISHED DATA WOULD HAVE PREVENTED DAMAGE. (K)