As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 BLEED HOT CAUTION LIGHT ILLUMINATED. RAN CHECKLIST AND LIGHT REMAINED ON. MX INTERROGATED CDS, FOUND FAULT CODE 1801 "LEFT WING LEAK SWITCH. COMPLIED WITH FIM TASK 36-20-00-810-801. R & R LT DUCT LEAK SWITCH IAW AMM TASK 36-11-21-00-801. NR 1 BLEED CAUTION LIGHT EXTINGUISHED. OPS CHECK GOOD. ACFT RETURNED TO SERVICE.