As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL LEAKING FROM BACK OF NR 1 ENGINE 1ST STAGE COMPRESSOR BLADES BEHIND SPINNER CONE AT 6 O'CLOCK POSITION. REPLACED BOTH SEALS IN THE LOW PRESS TURBINE SHAFT BLIND CAP COMPARTMENT. ALSO COMPLIED WITH COMPARTMENT OIL RETURN LINE COKING INSPECTION. NO COKING RAN ENG AT FLX MAX & CLIMB PWR FOR 2 MINUTES AND INDL FOR 20 MINUTES NO MORE OIL LEAK AT FRONT OR BACK OF ENGINE.