What was found
DURING ROUTINE C CHECK INSPECTION, FS 1345, LONGERON 30.5 LEFT. DOUBLER BELOW AND AFT OF AFT EMERGENCY EXIT DOOR. REPAIR NUMBER 606 AL-R36. PROBLEM: SIDE 2, 2ND ROW EXCEEDS MAS RIVET SPACING. DISPOSITION: ADD RIVETS TO BRING INTO LIMITS OR UPGRADE.