As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1731 JFK-BDA, AIR TURNBACK TO JFK DUE TO BLEED 1 AND 2 FAILED ON TAKEOFF AT TO-1. RESET SUCCESSFUL REPEAT AT 11000FT. FAILED AGAIN BLEEDS 1 AND 2. REMOVED AND REPLACED ENGINE NR 1 PRSOV AS PER AMM 36-11-03. REMOVED AND REPLACED HP BLEED VALVE NR 2 AS PER 36-11-01 AND AMS CONTROLLER IN SPDA NR 2 SLOT 23 IAW 21-00-02, OPS CHECK NORMAL.