What was found
DURING HEAVY MAINTENANCE: TOOL MARK ON EXTERNAL SKIN LOC ON FR 58 AND BTW STR36L TO STR 37L AT L OWER FUSELAGE; EVALUATED TOOL MARK ON EXTERNAL SKIN LOC ON FR 58 AND BTW STR36L TO STR 37L AT LOWER FUSELAGE AND FOUND WITHIN LIMITS IAW SRM A320 51-73-11 PARAGRAPH 5, THIS ADL IS CLASSIFIED CATEGORY A, AND NOT FURTHER INSPECTION IS REQUIRED TOOL USED: DEPTH GAGES P/N: 20915A21 S/N: 009279 DUE DATE: MAR-05-2024; CALIPER P/N: 500-197-30 S/N: B16144234 DUE DATE: MAR-27-2024.