What was found
ON TAXI OUT, ODOR OF SMOKE NOTICED. RETURNED TO THE GATE. REPLACED NR 2 ENGINE SEAL PRESSURE REGULATOR VALVE OP CHECK GOOD NO ODOR OF SMOKE. RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAXI OUT, ODOR OF SMOKE NOTICED. RETURNED TO THE GATE. REPLACED NR 2 ENGINE SEAL PRESSURE REGULATOR VALVE OP CHECK GOOD NO ODOR OF SMOKE. RETURNED TO SERVICE.