What was found
AT CRUISE, LOW OIL PRESS MASTER WARNING MSG C/W QRH. LT ENG AT IDLE, OIL PRESS APPROX 30 PSI. REPLACED OUTER O-RING ON LT IDG CARBON SEAL AND CARBON SEAL IAW SUP 05-018C & AMM 24-11-01 REF W/C NR 2 FOR LEAK CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT CRUISE, LOW OIL PRESS MASTER WARNING MSG C/W QRH. LT ENG AT IDLE, OIL PRESS APPROX 30 PSI. REPLACED OUTER O-RING ON LT IDG CARBON SEAL AND CARBON SEAL IAW SUP 05-018C & AMM 24-11-01 REF W/C NR 2 FOR LEAK CHECK.