What was found
LEFT ENGINE, OTBD THRUST REVESER, AFT COWL SKIN UPPER EDGE AT NAC STA 324 FOUND CHAFED. LT ENG T/R AFT UPPER EDGE AREA 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 CATEGORY B PERMANENT REPAIR, WITH THRESHOLD INSPECTION OF 8500 FLT HRS AFTER REPAIR EMBODIMENT & INTERVAL INSPECTION OF 8500 FLT HRS IAW SRM 54-33-01-2R-2, REPAIR 2, TABLE 202, REV 53. NO FURTHER DEFECTS NOTED.