What was found
ERRATIC SHIFT AND LAPSES IN FAN VIBRATIONS. MAINTENANCE REPLACED THE NR 2 ENGINE TRF VIB SENSOR IAW AMM 77-31-30 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ERRATIC SHIFT AND LAPSES IN FAN VIBRATIONS. MAINTENANCE REPLACED THE NR 2 ENGINE TRF VIB SENSOR IAW AMM 77-31-30 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.