As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1621, LHR-BOS. (ETOPS) "DAMAGE FOUND ON ENG 2 FAN CASE RUB STRIP. DAMAGE OUT OF LIMITS PER AMM 72-21-01-220-802-A. DENT 1 IS .43 X .43 DENT 2 IS .43 IN LENGTH .125 IN W AREA IS LIMIT ; PERFORMED REPAIR OF ENG #2 FAN CASE RUB STRIP @ 7 0'CLOCK POSITION IAW AMM TASK 72-21-01-00A-610A-D."