What was found
ETOPS SIGNIFICANT SYS - WHILE PERFORMING PDC DURING WALK AROUND FOUND FAN BLADE DAMAGE ON NR 2 ENG 18.5" FROM TIP, 0.9" L, .4" D, .1250" R. REPLACED NR 2 BLADE AND RESHUFFLED ALL OTHER BLADES IAW RR FAN BLADE SHUFFLE PROGRAM. R & R IAW MM 72-31-41 & 72-35-41, 72-31-41. ENGINE TEST NO II VIBE SURVEY PASS. ACFT OK FOR SERVICE. FTN CN83693908-0010-001.