# SDR EIAA9628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N470EV
- Make and model: Boeing 747273C
- Aircraft serial: 20653
- System (JASC): [7930 · Engine Oil Indicating System](https://openairdocs.org/jasc/7930)
- Part: Bypass Light
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: A, J, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIAA9628

## Discrepancy

LAX - ON CLIMB-OUT, NR 2 ENGINE OIL BYPASS LIGHT CAME ON AND STAYED ON EVEN AT IDLE THRUST.  ENGINE SHUTDOWN, DUMPED FUEL, AND RETURNED TO LAX.  OIL PRESSURE NORMAL.  NR 2 ENGINE OIL FILTER INSPECTED AND FOUND TO BE CLEAN AS PER DDPG 79-3.  OIL FILTER REPLACED AS A PRECAUTION.  INOPERATIVE ENGINE OIL PRESSURE BYPASS WARNING LIGHT TRANSFERRED TO CAT C DMI PER MEL 79-3.  OIL FILTER TO BE CHECKED EVERY 30 HOURS.  (M)

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