As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE OIL TREND DATA CONTINUES TO SHOW OIL CONSUMPTION TO GREATER THAN EXPECTED. GROUNDED - YES. REMOVED N2 DRIVE PAD COVER, SEAL HOUSING AND ROTATING RING. INSTALLED NEW ROTATING RING, SEAL HOUSING AND REINSTALLED N2 DRIVE PAD COVER REF B737-800 AMM 72-60-00 AND 72-63-01.