# SDR TSAA0379039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2003
- Submitted: December 22, 2003
- Operation: Air carrier
- Aircraft: [N805AL](https://openairdocs.org/aircraft/N805AL), registered now
- Make and model: Boeing 737-2M6C
- Registry model: [Boeing 737-2M6C](https://openairdocs.org/model/boeing-737-2m6c) (OpenAirDocs)
- Aircraft serial: 21809
- Engine: Pwa JT8D9A
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Switch
- Part number: 69726881
- Condition: Inoperative
- Location: Eng Oil Bypass
- Stage of operation: CL
- 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/TSAA0379039

## Discrepancy

DURING CLIMB, THE NR 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED.  THE NR 1 ENGINE WAS SHUTDOWN IAW THE QRH. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED IN HNL WITH NO FURTHER INCIDENT.  MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE OIL BYPASS SWITCH AND THE OIL FILTER ELEMENT.  THE NR 1 ENGINE OIL TANK WAS DRAINED AND SERVICED.  GROUND OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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