What was found
CUSTOMER REQUEST FOR PREVIOUS WORKMANSHIP, BS 680, STR S-23L STRINGER UPPER FLANGE WAS BLENDED, ON AND HAS TOOLING MARK IN AREA UNDER PREVIOUS REPAIR. BLEND OUT TOOLING MARK IAW B727 SRM 51-10-1 FIG 2. INSTALLED STRINGER TYPICAL REPAIR IAW B727 51-10-3-FIG 2, THIS IS CLASSIFIED AS A MAJOR REPAIR.