As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT NR 2 ENG N1 ON FMC TAKEOFF REF PAGE 1 SHOWED SPLIT N1 (L) 91.6 (R) 92.2 CYCLING NR 1 PACK EFFECTED CHANGE TO DISPLAYED NR 1 N1 CYCLING NR 2 PACK CAUSED NO CHANGES. REPLACED RIGHT PACK FLOW CONTROL AS PER AMM 21 51 01. LEAK CHECK GOOD. RAN ENGINE AT IDLE OPS CHECK GOOD IAW MM 21 51 01 400 802 002 AND FIM 34 61 00 730 801. GROUND VERIFICATION FMC DISCRETE COMPLETE.