# SDR BTA2011F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2011
- Submitted: May 6, 2011
- Operation: Air carrier
- Aircraft: [N560CF](https://openairdocs.org/aircraft/N560CF), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600040
- Engine: Pwa JT15D5
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Part number: AS3209140
- Condition: Broken
- Location: Lt Oil Filter
- Component: Oil Filter
- Component part number: 3036376
- 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/BTA2011F00000

## Discrepancy

ACFT DEPARTED, ENROUTE, PILOT NOTED LT ENG OIL PRESSURE FALLING, PILOT MONITORED OIL PRESSURE AND AFTER A FEW MINUTES, HE NOTED THE OIL PRESSURE WAS STILL FALLING.  THE PILOT SHUT DOWN THE LT ENGINE AND DECLARED AN EMERGENCY LANDING.  AFTER LANDING, MX TROUBLESHOT SQUAWK, FOUND AN O-RING THAT HAD JUST BEEN CHANGED, WAS BROKEN IN HALF.  FOLLOWED THE ENG MM TO RESOLVE THE ISSURE AND RETURNED TO SERVICE.

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