What was found
AFT OXYGEN CYLINDER AT STA -680 TO 700 DOES NOT HAVE SUFFICIENT CLEARANCE BETWEEN CYLINDER AND ADJACENT STRUCTURES AFT OXYGEN CYL AT STA 680 TO 700 CLEARANCE BETWEEN CYL AND ADJACENT STRUCTURES REPAIR WAS ACCOMPLISHED DUE TO DISCREPANCY EFFECTING ACCOMPLISHMENT OF PTF. CONVERSION ON W/C 118350475AZ2R09 AND EA 757-3511-16-F2655, REV. C DATED 05/19/10, THIS N/R IS FOR TRACKING PURPOSES ONLY AND IS CLASSIFIED AS A MAJOR ALTERATION.