# SDR DXTA200601513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2006
- Submitted: July 26, 2006
- Operation: Air carrier
- Aircraft: [N311QS](https://openairdocs.org/aircraft/N311QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600311
- Aircraft time: 10,481 hours, 8,414 cycles
- Engine: Pwa JT15D5
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Pressure Switch
- Part number: 99121783
- Part serial: 1291
- Condition: Inoperative
- Location: Rt Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200601513

## Discrepancy

MASTER WARNING LIGHT ILLUMINATED DURING T/O (AT APPROX 80-90 KIAS), THE RT OIL PRESSURE LIGHT ILLUMINATED AND EXTINGUISHED WHEN POWER WAS REDUCED TO IDLE.  RAN ACFT, COULD NOT DUPLICATE PROBLEM.  REMOVED RT OIL PRESSURE SWITCH P/N 9912178-3 S/N 1291.  INSTALLED NEW SWITCH P/N 9912178-3 S/N 1382.  RAN ACFT OPS AND LEAK CHECK GOOD, ALL IAW CE-560 MM 79-31-01.

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