What was found
ORD - FLT 505 - NR 4 ENGINE SECURED DUE TO DECREASING OIL QUANTITY AND OIL PRESSURE. CORRECTIVE ACTION: TIGHTENED AFT OIL LINE TO THE FUEL/OIL HEAT EXCHANGER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - FLT 505 - NR 4 ENGINE SECURED DUE TO DECREASING OIL QUANTITY AND OIL PRESSURE. CORRECTIVE ACTION: TIGHTENED AFT OIL LINE TO THE FUEL/OIL HEAT EXCHANGER.