What was found
DURING C-CHECK, FOUND FUSELAGE SKIN BULGED AT Y=350, X=-19 AND Z=-59 FWD FUSELAGE. REMOVED FASTENERS ON A-PIT DOOR DOUBLER TO Y=330 AND TO LONGERON 28. CUT SKIN AT Y=389 AND PEELED UP. NO CORROSION FOUND, FABRICATED SKIN SPLICE DOUBLERS AND REPAIRED SKIN IAW DER APPROVED ENGINEERING SKETCH A98-R13 AND A98-R12.