Service difficulty report · Unknown · Boeing 747451

Difficulty date
May 22, 2017
Submitted
May 22, 2017
Operation
Air carrier
Aircraft
N669US
Make and model
Boeing 747451
Aircraft serial
24224
Aircraft time
113,023 hours, 13,699 cycles
Part
Unknown
Condition
Vibration
Location
Airframe
Stage of operation
CL
How discovered
O
Nature of condition
E
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APPROXIMATELY 30 MINUTES AFTER TAKEOFF, THE FLIGHT ADVISED THE MAINTENANCE COORDINATOR THAT THEY FELT AN AIRFRAME VIBRATION. MAINTENANCE SUSPECTED IT COULD BE AN OPEN PANEL. THE FLIGHT IS RETURNING TO DEPARTURE FOR INSPECTION.