What was found
LEFT ENGINE VIBRATION, 5.0 DURING CLIMB. ADJUSTED THE NR 1 ENGINE FAN TRIM BALANCE USING EXTERNAL ANALYZER IAW AMM 72-31-00/501.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENGINE VIBRATION, 5.0 DURING CLIMB. ADJUSTED THE NR 1 ENGINE FAN TRIM BALANCE USING EXTERNAL ANALYZER IAW AMM 72-31-00/501.