What was found
AIR RETURN, NR 1 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB & WOULD NOT RESET. R & R NR 1 ENG PRE-COOLER CONTROL VLV IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR RETURN, NR 1 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB & WOULD NOT RESET. R & R NR 1 ENG PRE-COOLER CONTROL VLV IAW MM.