As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1926,LGW-BOS. (ETOPS) ' NO 2 ENG FAN BLADE 4 ABRASION AND DISCOLORATION ON TRAILING THIRD OF TIP APPARENT DELAMINATION OF VENEER ON BACK SIDE OF BLADE TIP; (RESOLVED ON W/O: 1330276 TASK CARD: NR-00001) PERFORMED FAN TRIM BALANCE OF #2 ENG IAW AMM 71-00-00-710-807A. A/C OK FOR SVC THIS CLEAR MDDR 546479. MX-4 UPDATED. REF L/P 4016121.1 FOR REMOVAL AND REPLACEMENT.