# SDR SWAA002177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2000
- Submitted: November 2, 2000
- Operation: Air carrier
- Aircraft: 080SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22675
- Aircraft time: 60,218 hours, 65,317 cycles
- Engine: Pwa JT8D9A
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Switch
- Part number: 42D107A1
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA002177

## Discrepancy

AIR TURNBACK, NR 1 ENGINE OIL BYPASS LIGHT ILLUMINATED IN FLIGHT.  REMOVED AND REPLACED NR 1ENGINE OIL FILTER, NO METAL OR DEBRIS FOUND.  CONTINUED PER MEL 79-2 SP2 AND SP 79.  LATER, DURING RON AT HOU, REPLACED OIL FILTER AND BY-PASS SWITCH PER MM.  OPS CHECK GOOD.

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