What was found
AIR TURNBACK DUE TO ENGINE NUMBER 1 CONTROL VALVE FAULT. REMOVED AND REPLACED TRANSIENT BLEED VALVE REFERENCE AMM 75-26-10-000-001 AND AMM 75-26-10-400-001. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK DUE TO ENGINE NUMBER 1 CONTROL VALVE FAULT. REMOVED AND REPLACED TRANSIENT BLEED VALVE REFERENCE AMM 75-26-10-000-001 AND AMM 75-26-10-400-001. OPERATIONAL CHECK GOOD.