As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO GATE DUE TO LOW OIL PRESSURE INDICATION ON NR 2 ENGINE DURING STARTING. SYSTEM WAS VERIFIED AND THE OIL PUMP WAS REPLACED IAW MM 79-21-04, TESTS WERE PERFORMED IAW MM 71-00-00, ALL OK. DURING THE OVERNIGHT SERVICE. THE ENGINE WAS VERIFIED BY LEAKAGES AND ITS RESPECTIVE PARAMETERS IAW MM 71-00-00, ALL OK. (M)