As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON TAKEOFF #1 ADVANCED TO 87% #2 ONLY ADVANCED TO 71% AND A REJECTED TAKE OFF WAS ACCOMPLISHED AT 60 KNOTS. CREW ATTEMPTED TO TAKE OFF FOR A SECOND TIME WITH THE SAME RESULTS AND ACCOMPLISHED A SECOND REJECTED TAKE OFF AT 60 KNOTS. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)