As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY - NR 1 BLEED TRIP OFF LIGHT ILLUMINATED INITIALLY AT APPROX 7000FT. TRIED RESET BUT TRIPPED AGAIN. COMPLIED WITH QRH AND TURNED NR 1 PACK OFF.AT 39,000FT NR 2 BLEED TRIP OFF. WE DESCENDED TO 11,000FT AND RESET THE NR 2 BLEED TRIP WHICH CONTINUED TO OPERATE CORRECTLY. REMOVED AND REPLACED NR 1 ENGINE PRECOOLER CONTROL VALVE PER MM.