What was found
SHIP 0687 -ATB- FLIGHT CREW PERFORMED AIR TURN BACK DUE TO RIGHT ENGINE SURGING. CORRECTIVE ACTION: REPLACED THE 14TH STAGE BLEED VALVE, CONVERTER VALVE AND FCU. ENGINE RUNS PERFORMED ALL PARAMETERS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHIP 0687 -ATB- FLIGHT CREW PERFORMED AIR TURN BACK DUE TO RIGHT ENGINE SURGING. CORRECTIVE ACTION: REPLACED THE 14TH STAGE BLEED VALVE, CONVERTER VALVE AND FCU. ENGINE RUNS PERFORMED ALL PARAMETERS NORMAL.