What was found
RIGHT ENGINE, INBD THRUST REVERSER AFT COWL SKIN UPPER EDGE AT STA 324 FOUND CHAFED. RT ENG INBD T/R AFT UPPER EDGE FOUND OUT OF LIMITS IAW SRM 54-33-01-1A-4, ALLOWABLE DAMAGE 4, FIG 102, DETAIL N, REV 53. REPAIR CARRIED OUT IAW SRM 54-33-01-2R-2, REPAIR 2, FIG 202, DETAIL A, REV 53. REPAIR CATEGORIZED AS A CATEGORY B PERMANENT REPAIR, WITH THRESHOLD INSPECTION OF 8500 FLIGHT HRS AFTER REPAIR EMBODIMENT & INTERVAL INSPECTION OF 8500 FLIGHT HRS IAW SRM 54-33-01-2R-2, REPAIR 2, TABLE 202, REV 53. NO FURTHER DEFECTS NOTED.