As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MSG L ENG BLD OFF DISPLAYED. LT ENG BLD AIR OFF LGT ILLUM WITH ENG RUNNING AND SW ON. DUCT NORM. JUMPERED RFCC NO HELP, REMOVED AND REPLACED NR 1 ENG PRESSUE REGULATING SHUTOFF VALVE IAW MM 36-11-09-002-008, OPS CHECKS NORMAL. (K)