As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
N1 ENGINE VIBRATION HIGH, READS 3.0. ENGINE INDICATIONS NORMAL. VIBRATION RETUNED BELOW 2.5 WITH THRUST LEVER RETARDED. ENGINE WAS NOT SHUTDOWN. ON THE LT ENGINE FAN BLADE NR 17 WAS REPLACED CHOCKING PAD IAW AMM 72-31-73 PAGE 401, IAW AMM 71-00-00 PAGE 548, TEST NR 7 FAN TRIM BALANCE WAS ACCOMPLISHED WITH THE 3 TRIAL WEIGHT METHOD AND IAW AMM 71-00-00 PAGE 544 TEST NR 6, VIBRATION SURVEY WAS ACCOMPLISHED SATISFACTORILY.