What was found
AIRCRAFT RETURNED TO JFK DUE TO LEFT ENGINE OIL SYSTEM ISSUE. OIL QUANTITY DROPPING, OIL PRESSURE DROPPING AND OIL TEMPERATURE RISING. REPLACED LEFT ENGINE. OPS CHECK NORMAL.(9123178)(AIRCRAFT GROUNDED)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT RETURNED TO JFK DUE TO LEFT ENGINE OIL SYSTEM ISSUE. OIL QUANTITY DROPPING, OIL PRESSURE DROPPING AND OIL TEMPERATURE RISING. REPLACED LEFT ENGINE. OPS CHECK NORMAL.(9123178)(AIRCRAFT GROUNDED)