What was found
DURING APPROACH, NOTICED SPARKS ON THE BOTTOM OF THE LEFT SIDE WINDOW, THEN A MINUTE LATER RECEIVED A L WINDOW HEAT CAUTION MESSAGE ACCOMPANIED BY 2 NOTICEABLE CRACKS INSIDE THE SIDE WINDOW. (FLIGHT 4910 - FILED CLOSED) REMOVED AND REPLACED RIGHT WING LEADING EDGE ASSEMBLY 620JL WITH REFERENCE TO AMM 57-41-01, OPS CHECK GOOD. FIT AND DRILLED NEW LEADING EDGE ASSEMBLY WITH REFERENCE TO SRM 51-40-11. COMPLIED WITH REO 601R-57-41-1186 REV "--" DATED 2025-03-11. COMPLIED WITH MEMO ISE-STR-25-016 REV "--" DATED 2025-03-01 WITH NO ADDITIONAL DEFECTS FOUND. REFERENCE CP 29805564 FOR OPERATIONAL CHECKS. REFERENCE CP 29805521 FOR APPLICATION OF SEALANT.