What was found
CHAFED WING SKIN AT WS 297R, STRINGER 26R. TO REPAIR CHAFING, CAUSED BY A FAIRING, BEAVER TAIL, RUBBING AGAINST THE LOWER WING SKIN AT WS 297R, STRINGER 26R. CUT OUT DAMAGED AREA & INSTALLED AN EXTERNAL REPAIR DOUBLER IAW SRM AN 01-40NL-3 FIGURE 2-62.