What was found
NR 2 ENGINE, LT FRONT INLET CASE HAD CHAFE DAMAGE OF .053 INCH IN DEPTH. HAS BEEN DETERMINED THAT THE ENGINE CONTINUES TO COMPLY WITH ITS CERTIFICATION BASIS AND IS IN A SERVICEABLE CONDITION FOR CONTINUED OPERATION SUBJECT TO PERFORM MAINTENANCE NECESSARY TO PREVENT FURTHER CONTACT ON THE FRONT INLET CASE, BLEND SHARP EDGES AND PROTECT THE AREA IAW THE PUBLISHED EMM CRITERIA FOR MAGNESIUM IN THE NEXT 20 FLIGHT HOURS, AND VISUALLY INSPECT DAMAGED AREA IN THE NEXT 600 FLIGHT-HOURS OR NEXT "A" CHECK FOR DAMAGE PROGRESSION REF DEVIATION LETTER DAA2018-125-PW123D-AG0092 CRM.