As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BLEED SWAP DURING CLIMBOUT, BOTH PACKS OVER PRESSURED. LEFT SIDE RESET BUT RT PACK PSI WOULD NOT REDUCE BELOW 80 PSI WITH ENGINE BLEEDS ON. DID RESET WITH APU BLEED ONLY. PERFORMED HIGH POWER ENGINE RUN, AND OPERATED BOTH PACKS ON APU BLEED AND BOTH ENGINES BLEED PER NORMAL OPERATIONS. NO DEFECTS NOTED AT THIS TIME IAW AMM.