# SDR CVGA20111202001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2011
- Submitted: December 6, 2011
- Operation: Air carrier
- Aircraft: [N95AG](https://openairdocs.org/aircraft/N95AG), registered now
- Make and model: Lear 60LEAR
- Aircraft serial: 079
- Aircraft time: 9,362 hours, 6,503 cycles
- System (JASC): [7100 · Powerplant System](https://openairdocs.org/jasc/7100)
- Part: Unknown
- Condition: Malfunctioned
- Location: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CVGA20111202001

## Discrepancy

APPROXIMATELY 38 MINUTES INTO FLIGHT, AT FL410, HEARD A MODERATELY LOUD BOOM NOISE COMING FROM THE BACK LEFT SIDE OF THE AIRCRAFT, FELT A MINOR YAW MOMENT AND OBSERVED THE LEFT ENGINE STACK INCREASE SLIGHTLY THEN RETURN TO NORMAL.  FLIGHT CONTINUED WITH NO FURTHER ANOMALIES.

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