# SDR TSAA0079138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2000
- Submitted: July 12, 2000
- Operation: Air carrier
- Aircraft: [N827AL](https://openairdocs.org/aircraft/N827AL), registered now
- Make and model: Boeing 737209
- Aircraft serial: 23913
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Pressure Switch
- Part number: 69726881
- Condition: Failed
- Location: Nr 1 Engine Oil
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0079138

## Discrepancy

FLT 224 - HNL-OGG - NR 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED AT APPROXIMATELY 70 KNOTS.  TAKEOFF ABORTED.  ALL OTHER ENGINE PARAMETERS WERE NORMAL.  ALL QRH PROCEDURES REVIEWED.  RETURNED TO HNL RAMP.  REMOVED AND REPLACED NR 1 ENGINE OIL BYPASS SWITCH.  OPS CHECK GOOD PER MM 79-35-0.  REMOVED AND REPLACED NR 1 ENGINE OIL BYPASS SWITCH, OPS CHECK GOOD PER MM 79-35-0.  REMOVED AND REPLACED THE NR 1 ENGINE MAIN OIL FILTER.  OPS LEAK CHECK OK.  AIRCRAFT RETURNED TO SERVICE.  (M)

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