As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - N1 VIB PEAKED AT 8.0 ON CLIMB OUT ADVISORY LIGHT BLINKING UNTIL TOP OF CLIMB. // PER ENGINEERING REMOVED ALL EXISTING WEIGHTS AND INSTALLED 10 WEIGHTS SPACE CENTER HOLES 46/47(HOLES 42 THUR 51)PER AMM 71-00-00-700-848A. HIGH POWER RUN TEST #16A PERFORMED, VIBE TEST 16 A PER AMM 71-00-00-700-848-A. N1 VIBE MAX 1.1. OK FOR SERVICE.