What was found
LEFT LOWER FUSELAGE "B" SYSTEM HYD COMPARTMENT HYDRAULIC LINE SUPPORT INTERCOSTAL CRACKED 3 AREAS IN RADIUS, STA 950A PLUS 4, TO 950A PLUS 7 JUST O/B OF RESERVOIR REMOVED CRACKED INTERCOSTAL, FABRICATED NEW INTERCOSTAL, P/N 69-14299-1. TREATED AND PRIMED, AND INSTALLED NEW INTERCOSTAL. RECONNECTED HYD LINES AND CONNECTOR, REF AMM 29-12-001-4 PG 2, BOEING DWG 69-14299/SRM 51-10-2 PG 1, SRM 51-30-2 PG 2-3. THIS IS CLASSIFIED AS A MINOR REPAIR.