What was found
BLEEDS OFF TAKEOFF RUNWAY 26L KATL 27K MAX THRUST BLEEDS OFF TAKEOFF N1- 102.8% RIGHT PACK BLEED TRIP OFF ILLUMINATED AFTER NOTICING BLEEDS CONDUCTED QRH PROCEDURE AND BLEED TRIP OFF LIGHT EXTINGUISHED KATL TEMPERATURE 23 DEG WITH ALTIMETER 30.06. GROUNDED - YES. VERIFIED WITH CAPTAIN THIS WAS A RIGHT BLEED TRIP NOT A PACK TRIP DUCT PRESSURE FOR RIGHT SIDE INDICATED ZERO. PERFORMED TASK CARD NG-36WC-00001 AND FOUND R/H ENGINE PRSOV AND PRE COOLER VALVES BAD. REMOVED AND REPLACED IAW AMM 36-11-04-000/400-801 AND 36-12-02-000/400-801. PERFORMED LEAK CHECK AND ENGINE BLEED AIR CROSSOVER TEST PER 36-11-00-710-801 WITH NO DEFECTS NOTED. GOOD PRESSURE AND TEMPS WITH NO BLEED TRIP.