As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE BLEED OFF EICAS MSG DURING DESCENT AND APPROACH. REMOVED AND REPLACED HIGH PRESSURE CONTROLLER IAW AMM 36-11-08. STILL REQUIRES LEAK AND OPS CHECK. RAN LEFT ENGINE LEAK AND BLEED SYSTEM OK IAW MM 71-00-00, 36-11-00 & 36-11-07. REMOVED AND REPLACED HP SOV IAW AMM 36-11-07 (OFF PART: PN 802170-12, SN 2007061037). LEAK CK C/W, OPS CHK NORMAL.