What was found
UPON OPENING, SEVERAL WING TANK PANELS, MECHANIC NOTICED CHAFING DAMAGE TO LT AND RT WING UPPER AND LOWER BULKHEAD ELBOWS. A TOTAL OF 4 BULKHEAD ELBOWS WERE REPLACED, 2 IN EACH WING. UPON FURTHER INVESTIGATION, FOUND NUMEROUS LINES AND FITTING ASSOCIATED WITH THE FUEL EJECTOR PUMP TO ALSO BE CHAFING. MULTIPLE COMPONENTS REQUIRED REPLACEMENT. ALL OF THESE COMPONENTS WERE REPLACE FOR THE SAME DISCREPANCY DURING THE LAST 2B INSPECTION ON 4/2012.