What was found
INSPECTION TYPE:C, M/D LT BS 2231 1 EA FASTENER HOLE CRACK FOUND AT FRAME STRAP STR 16 BRACKET MOST UPPER FASTENER HOLE. RUNNING FWD AND AFT THROUGH THICKNESS. M/D LT BS 2231 FRAME STRAP, CHORD REPAIRED IAW HX RS R-53-82-36946, REV A AND EO B747-5310-41832-A AT STR 16L AREA. STRAP CRACK THROUGH THICKNESS FINAL REMOVED SEGMENT IS 2-1"X18.75". CHORD CRACK LENGTH FINAL CUTOUT IS 0.75X0.8", CLASSIFIED AS A MAJOR REPAIR. THIS REPAIR IS TIME LIMITED TO 18846 TAC PENDING DAMAGE TOLERANCE ANALYSIS.