What was found
DAMAGE WAS DISCOVERED ON THE TRANSMISSION DECK FWD DOUBLER AND THE AFT DOUBLER IN THE FORM OF SEVERAL CHAFE DAMAGE AREAS. THE CHAFE DAMAGE AREAS ARE ALL LOCATED UNDER THE MGB BAR FITTING INSTALLATION AREAS. THE DAMAGE AREAS ON THE FWD DOUBLER WERE WITHIN AN AREA OF 1.0” X 1.75” AND 0.019” DEEP ON THE LT SIDE, AND WITHIN AN AREA OF 1.25 X 0.50 AND 0.020” DEEP ON THE RT SIDE. THE DAMAGE AREAS ON THE AFT DOUBLER WERE WITHIN AN AREA OF 1.75 X 1.0 AND 0.015 DEEP ON THE LT SIDE, AND WITHIN AN AREA OF 1.0” X 0.50 AND 0.016 DEEP ON THE RT SIDE. A REPAIR PROCEDURE WAS PERFORMED IAW REPAIR DESIGN APPROVAL SHEET RDAS-EC130-53-2026-1199A, REV A.