As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIRCRAFT MADE A LOUD NOISE WHEN ACCELERATING PASSED 250 KNOTS, SOUNDED LIKE WIND NOISE FROM A GEAR DOOR OPEN. AUTO PILOT ON OR OFF 2 DEGREES RIGHT WING DOWN ON CONTROL WHEEL. DIVERTED TO PHL EMERGENCY WAS DECLARED. **SUPPLEMENTAL REPORT REQUIRED** (OPEN)