What was found
LEFT BLEED DUCT MASTER WARNING IN FLIGHT. RAN QRH AND RETURNED TO DEPARTURE, EMERGENCY DECLARED. ) R & R NR 1 ACSC CONTROLLER IAW AMM 21-61-04, OPS CHECKED GOOD. ACFT OK TO RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT BLEED DUCT MASTER WARNING IN FLIGHT. RAN QRH AND RETURNED TO DEPARTURE, EMERGENCY DECLARED. ) R & R NR 1 ACSC CONTROLLER IAW AMM 21-61-04, OPS CHECKED GOOD. ACFT OK TO RETURN TO SERVICE.