As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE TREND DATA SHOWS AN INCREASE IN LOW PRESSURE ROTOR VIBRATION LEVELS. DATA SCATTER INDICATES FAN LUBE REQUIRED.ASA TASK CARD 78472002. ACFT GROUNDED. ACCOMPLISHED NR 2 ENGINE FAN LUBE PER TASK CARD 78472002. PERFORMED TEST 7 GROUND VERIFICATION REPAIR CONFIRMATION IAW AMM 71-00-00-700-814-F00. PEAK VIBRATION OF 0.8 UNITS AT 64% N1 IS WITHIN LIMITS IAW AMM 71-00-00-800-806-F00.