What was found
AIR TURNBACK DUE TO NR 2 ENG BLEED AIR VALVE C/B POPPED IN FLIGHT AND WOULD NOT RESET. REMOVED AND REPLACED NR 2 ENG BLEED AIR REGULATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK DUE TO NR 2 ENG BLEED AIR VALVE C/B POPPED IN FLIGHT AND WOULD NOT RESET. REMOVED AND REPLACED NR 2 ENG BLEED AIR REGULATOR.