What was found
WHILE ACCOMPLISHING A ROUTINE BOROSCOPE INSPECTION ON NR 1 ENGINE, FOUND NR 15 FUEL NOZZLE SECONDARY SWIRL NOZZLE VENTURI WITH MORE THAN .100" MISSING MATERIAL. ACFT GROUNDED. FOLLOWING ENGINEERING REVIEW, EVALUATION OF COMBUSTOR SECONDARY SWIRL NOZZLE VENTURI CONDITIONS BY OEM DETERMINED CONDITION TO BE SERVICEABLE WITHOUT RESTRICTION. DAMAGE REVIEWED IN CFMI SR 00235358, 29 JAN 2016, CONFIRMED AS MEASURED VENTURI CRACKS WITH MISSING MATERIAL: NOZZLE NR 15 0.151 W, NOZZLE NR 7 0.029 W, AND NOZZLE NR 8 AT 0.013 W, CUMULATIVE 0.193, ARE WITHIN PROGRESSIVE CRITERIA OF AMM 72-00-00-200-805-F00, STEP 7. G, N, 3. NO FURTHER ACTION REQUIRED.