As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER MCC REQUEST CHANGE LEFT ENGINE BLEED AIR CARD & PRSOV. REMOVED AND REPLACED LEFT ENG BLEED CARD AS PER AMM 36-11-12 OPERATIONAL TEST GOOD P/N OFF 285T1115-15 S/N D01248. REMOVED AND REPLACED LT ENG PRSOV AS PER AMM 36-11-09 NO AIR LEAKS DETECTED, NO DEFECTS NOTED AT THIS TIME, OPS CHECK GOOD PER AMM 36-11-09.