As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PSC FLIGHT: NR 1 BLEED HOT CAUTION LIGHT AFTER TAKEOFF. C/W EA CHECKLIST. MAINTENANCE INTERROGATED CDS AND FOUND FAULT CODE 7001L BLD OVR TMP IN ECS. REPLACED BLEED OVERTEMP SWITCH IN LT NACELLE IAW TASKS 36-11-16-000-801 AND 36-11-16-400-801. ACCOMPLISHED TASK 36-11-00-710-802, OPS TEST OF BLEED AIR SYSTEM. TESTED GOOD. NO REOCCURRENCE OF FAULTS. NR 1 BLEED HOT CAUTION LIGHT REMAINED EXTINGUISHED. AIRCRAFT RETURNED TO SERVICE.