As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB NUMBER 1 ENGINE VIBRATION BEGAN TO SPIKE INTO ABNORMAL RANGE. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT PHL. REMOVED AND REPLACED TCF BEARING ACCELEROMETER, PER AMM 77-31-06. ALL INSPECTION AND OPERATIONAL CHECK GOOD**(CLOSED).