What was found
DURING A ROUTINE C-CHECK INSPECTION FOUND AN INTERIM REPAIR ON THE UPPER AFT CORNER OF AFT PASSENGER DOOR STA 1660.000 L-9L TO L-11L. REPAIR WAS ACCOMPLISHED. THE INTERIM REPAIR WAS REMOVED IAW DC8 SRM 51-1-21 PG 1, FABRICATED A NEW DOUBLER, TRIPLER AND FILLER IAW DC8 SRM 53-2-0 FIG 18. CLEANED, TREATED AND PRIMED IAW DC8 SRM 51-1-8B. APPLIED PRC SEALANT TO FAYING SURFACES IAW DC8 SRM 51-1-15 PG 1. INSTALLED FILLER, DOUBELR AND TRIPLER IAW DC8 SRM 53-2-0 FIG 18, DC8 SRM 51-1-21 PG 1 DC8 SRM 51-1-20D PG 9.