# SDR AALA2009043000001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2009
- Submitted: July 1, 2009
- Operation: Air carrier
- Aircraft: [N470AA](https://openairdocs.org/aircraft/N470AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49600
- Aircraft time: 60,292 hours, 31,878 cycles
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Switch
- Condition: Inoperative
- Location: Oil System
- 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/AALA2009043000001

## Discrepancy

TUL - INFLIGHT SAT-ORD.  LEFT ENGINE OIL STRAINER CLOG LIGHT ILLUMINATED.  EMERGENCY DECLARED, LANDED TUL WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REMOVED AND REPLACED NEW FILTER.  FOUND OIL DIFFERENTIAL SWITCH BAD REPLACED WITH SWI3004.

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