As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT BLEED DUCT WARNING MESSAGE, CLIMBING THRU FL2140. ALL BLEED SOURCES CLOSED. RETURNED TO FIELD. ADJUSTED LT BLEED LOOPS AND LOCATED OUTER LOOP CONTACTING INNER LOOP JUST BELOW LT HEAT EXCHANGER IAW AMM. ALL SYSTEMS OPS CHECKED NORMAL.