What was found
ASH 7238 IAD-JFK. CREW ABORTED TAKEOFF AND RETURNED TO THE FATE DUE TO A LEFT ACM ON MEL AND THE RIGHT ACM FAILED. MX RAN ENGINES TO TAKEOFF POWER AFTER FIXING THE LEFT PACK REPEATEDLY AND FOUND NO PROBLEM WITH THE RIGHT PACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ASH 7238 IAD-JFK. CREW ABORTED TAKEOFF AND RETURNED TO THE FATE DUE TO A LEFT ACM ON MEL AND THE RIGHT ACM FAILED. MX RAN ENGINES TO TAKEOFF POWER AFTER FIXING THE LEFT PACK REPEATEDLY AND FOUND NO PROBLEM WITH THE RIGHT PACK.