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 MESSAGE DURING CLIMBOUT. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. FOUND ECS FAULT HISTORY NR 1 ENGINE 1A01. LT BLEED TEMP AND 7001 LT BLEED OVERTEMP. R & R NR 1 ENGINE BLEED OVERTEMP SWITCH IAW AMM TASK 36-11-16-000-801 AND 36-11-16-400-801. OPS CHECKED GOOD. COMPLIED WITH OPS TEST OF THE BLEED AIR SYS REF AMM TASK 36-11-00-710-802. OPS TESTED GOOD. NR 1 BLEED HOT CAUTION REMAINED EXTINGUISHED. RETURNED TO SERVICE.