What was found
PERFORMED WINDOW CORNER FASTENER HOLE INSPECTION IAW ECO 3250R1. FOUND CRACK INDICATIONS BETWEEN S10L BS 767 PLUS 10 AND BS 827 PLUS 10 ON WINDOW NR 26 LEFT UPPER AFT HOLES NR 10. TRIMMED OUT HOLES IN DAMAGED AREA TO .40 INCH AS INSURANCE CUT. HFEC INSPECTED EDGE OF THE TRIMMED AREAS. FABRICATED FILLERS TO SUIT THE AREA OF SKIN/DOUBLER TRIMMED. FABRICATED A DOUBLER AND TRIPLER IAW SB 737-53A1177. INSTALLED REPAIR PARTS IAW ECO 3250 DEVIATION E. AIRCRAFT RETURNED TO SERVICE. (M)