As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW COMMENTS: AFTER ENG START R ENG HPSOV ON WITH BLEED OFF. HPSOV FOUND FAULTY. REPLACED HPSOV. PROBLEM STILL PERSISTS. HP VALVE LOCKED OUT & W3510-017-18 WAS MOVED FROM TERMINAL 1 TO TERMINAL 2. RECONFIGURED RIGHT HPSOV. REPLACED AIR SUPPLY BITE MODULE. RAN NR 2 ENGINE TO 70 PERCENT N2 OPERATING TAI. NO RIGHT ENGINE BLEED LIGHT OR EICAS MESSAGE.