What was found
#4 ENG BLEED OVERHEAT MESSAGE(<P>REMOVED AND REPLACED #4 PRV AND #4 PRV CONTROLLER AND THEN PERFORMED OPERATIONAL CHECK PER AMM 36-11-19/401 AND AMM 36-11-20/401 (PRV OFF PART: PN 802170-12, SN 98080594).</P>)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
#4 ENG BLEED OVERHEAT MESSAGE(<P>REMOVED AND REPLACED #4 PRV AND #4 PRV CONTROLLER AND THEN PERFORMED OPERATIONAL CHECK PER AMM 36-11-19/401 AND AMM 36-11-20/401 (PRV OFF PART: PN 802170-12, SN 98080594).</P>)