What was found
FLT 1005 BOS-JFK, CREW DECLARED EMERGENCY AND AIRCRAFT RETURNED BACK TO BOS DUE TO VIBRATION DURING TAKEOFF. NO EICAS MESSAGES. REMOVED AND REPLACED NR 2 PACK OUTLET DUCT ASSY PER AMM 21-51-21. LEAK AND OPS CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 1005 BOS-JFK, CREW DECLARED EMERGENCY AND AIRCRAFT RETURNED BACK TO BOS DUE TO VIBRATION DURING TAKEOFF. NO EICAS MESSAGES. REMOVED AND REPLACED NR 2 PACK OUTLET DUCT ASSY PER AMM 21-51-21. LEAK AND OPS CHECK OK.