As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 1 2.9 START BLEED. 2369-1 ENG 777029 EICAS 'ENG CONTROL L' MAINT MSG 75-60471 2.9 START BLEED VALVE (L ENG) NOT IN COMMANDED POS' AFTER ENGINE START. ACP'D INSPECTION OF 2.9 START BLEED VLV MUSCLE LINES, NO DEFECTS FOUND. CLEANED PS3 FILTER. TESTED START BLEED VALVE IAW TASK 71-08 818 ITEM F. VLV OPS NORMAL. RAN ENG FOR 5 MIN NO MSG'S PRESENT. SYSTEM NORMAL.