# SDR USAASB96039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N274US](https://openairdocs.org/aircraft/N274US), registered now
- Make and model: Boeing 737-2B7
- Registry model: [Boeing 737-2B7](https://openairdocs.org/model/boeing-737-2b7) (OpenAirDocs)
- Aircraft serial: 22886
- System (JASC): [7930 · Engine Oil Indicating System](https://openairdocs.org/jasc/7930)
- Part: Filter Bypass Sw
- Part number: 1163P181
- Condition: Intermittent
- Location: Nr 1 Eng
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB96039

## Discrepancy

FLT NR 797 - MCO - FIVE MINUTES AFTER TAKEOFF, 'OIL FILTER BYPASS' LIGHT FOR NR 1 ENGINE CAME ON.  RETARDED THROTTLES, NO HELP.  SHUT DOWN ENGINE AND RETURNED TO MCO.  MAINTENANCE REPLACED THE FILTER BYPASS SWITCH.  (M)

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