As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB ON CLIMB OUT RT ENGINE HAD SOME SURGING WITH HIGHER GET THAN LEFT ENGINE. IN CRUISE, SETTLED DOWN NORMAL. DISPATCH INSTRUCTED US TO PERFORM AN AIR TURN BACK. (OR FLUCTUATIONS) REF.LINE ITEMS 9 AND 13. TECH RECOMMENDS R&R OF RT ENG BLEED VALVES AND SOLENOIDS. R&R COMPLETE AND OPS/LEAK CHECK OK PER AMM 71-00-00. POWER PLANT TEST #3. A/C OK FOR CONT. SERVICE