What was found
AIRCRAFT WAS GROUNDED: AT CRUISE FL 290 AT 310KTS .80M-FLIGHT ATTENDANTS NOTICED AIRFRAME VIBRATION. ONLY LIGHT IN COCKPIT LESSENED WHEN SLOWED. MODERATE VIBRATION FROM CABIN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: AT CRUISE FL 290 AT 310KTS .80M-FLIGHT ATTENDANTS NOTICED AIRFRAME VIBRATION. ONLY LIGHT IN COCKPIT LESSENED WHEN SLOWED. MODERATE VIBRATION FROM CABIN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)