What was found
AIR TURNBACK, NO BLEED AIR FROM NR 1 ENGINE AFTER T/O. REMOVED AND REPLACED PRSOV, LOW PRESSURE REGULATOR (P/N 3214552-5) AND PRSOV MUSCLE AIR LINE PER MM. OPS AND LEAK CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, NO BLEED AIR FROM NR 1 ENGINE AFTER T/O. REMOVED AND REPLACED PRSOV, LOW PRESSURE REGULATOR (P/N 3214552-5) AND PRSOV MUSCLE AIR LINE PER MM. OPS AND LEAK CHECK GOOD.