What was found
NOSE FWD EXTERNAL FUSELAGE, AT FR10 -Z361 L/H SIDE, SKIN WITH SCRATCH. PERFORMED REPAIR AT FWD EXTERNAL FUSELAGE SKIN SECTION AT FR 10 -Z361 LH SIDE AS PER DELTA ER/A NO. 636719-14 REV ORIGINAL SECTION I PART A, PART B STEP 15, 19 AND 20, DATED 11-SEP-26. NOTE: REPAIR APPROVAL IS LIMITED TO 60000 FC / 120.000 FH WICHEVER OCCURS FIRST FROM SECTION I REPAIR EMBODIMENT. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE BEYOND THIS LIMITS. NOTE TO ENGINEERING: DAMAGE TOLERANCE EVALUATION IS REQUIRED IN ACCORDANCE WITH PROCEDURES ESTABLISHED IN FAA AC-120-93, AS PER TOPP 30-20-41, SECTION XI. B. 1. A, (LP: 1816393, AIRCRAFT WAS GROUNDED)