What was found
(CAN) UPON REMOVAL OF LOOSE SKIN RIVETS (AFT OF BALANCE WEIGHT, OUTBOARD OF HINGE), AN ENLARGED HOLE WAS OBSERVED WITH APPARENT CRACKING OF THE UNDERLYING RIB. UPON FURTHER INVESTIGATION, RIB P/N 50-610000-415 WAS FOUND CRACKED ALONG THE BEND RADIUS IN 3 OUT OF 4 CORNERS. C/A REQUIRED REPLACEMENT OF THE LOWER SKIN, RIB ASSEMBLY, LOOSE RIVETS, AND PAINTING AND BALANCING OF THE ELEVATOR ASSEMBLY.