As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3100 - AFTER TAKEOFF, THE LEFT BLEED FAULT LIGHT ILLUMINATED ON CLIMB, FOLLOWED BY LEFT BLEED CLOSED ILLUMINATING. COMPLETED QUICK REF HANDBOOK AND RETURNED TO MSP. MAINTENANCE REPLACED THE BLEED AIR PRESSURE SWITCH. OPS CHECK GOOD. (M)