As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - ABORTED TAKEOFF - FLT 788 - CREW RECEIVED TAKEOFF WARNING WITH AIRCRAFT IN POWER CONFIGURATION FOR TAKEOFF. AIRCRAFT TAXIED BACK TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED TAKEOFF CONFIGURATION WARNING TASK IAW AMERICA WEST AIRLINES TASK CARD A1B31009. OPERATIONAL CHECKS WERE GOOD.