What was found
EO 4478A138: DURING MX WALKAROUND, MX FOUND 1EA CRACK ON THE NR2 ENGINE EXHAUST NOZZLE OUTER SLEEVE, AT APPROX THE 9 O'CLOCK POSITION. THE CIRCUMFERENTIAL CRACK IS APPROX 4.5 IN LONG. IAW SRM 54-41-30 THE LENGTH OF THE CRACK IS OUT OF LIMITS. DISPOSITION IS TO STOP DRILL THE ENDS OF THE CRACK WITH A 0.125 IN. DIAMETER HOLE (DRILL BIT); DVI EVERY 3 FLIGHT CYCLES; AND REMOVAL OF THE PART PRIOR TO THE ACCUMULATION OF 30 FC (FLIGHT CYCLES) AFTER PART 1.