# SDR Y2PA20120428021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2012
- Submitted: May 9, 2012
- Operation: Air carrier
- Aircraft: N811AA
- Make and model: Amd FALCON20
- Aircraft serial: 187
- Aircraft time: 21,096 hours, 16,761 cycles
- Engine: Ge CF7002D
- Engine time: 9,731 hours, 7,773 cycles
- System (JASC): [7323 · Turbine Governor](https://openairdocs.org/jasc/7323)
- Part: Governor
- Part number: 8005016
- Part serial: 787090
- Condition: Bypassing
- Location: Overspeed
- Stage of operation: CR
- How discovered: O
- Nature of condition: X, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Y2PA20120428021

## Discrepancy

NR 1 ENGINE FLAMED OUT AT FL350, NO INDICATION FOR REASON WHY.  INSPECTED FUEL FILTERS, BOROSCOPED AND VISUALLY INSPECTED ENGINE, NO DEFECTS FOUND.  R & R FUEL PRESSURE VALVE, OPS AND LEAK CHECKED GOOD. PERFORMED GROUND RUN, NO DEFECTS NOTED.  TEST FLIGHT OF ACFT UNSATISFACTORY, ENGINE FLAMED OUT AT FL 350.  R & R FUEL CONTROL UNIT, OPS AND LEAK CHECKED GOOD.  ALL WORK PERFORMED IAW MM SEI 187. SECOND TEST FLIGHT OF ACFT UNSATISFACTORY, ENGINE FLAMED OUT AT FL 346.  ENROUTE, CREW REPORTED THE ACFT SHUDDERED, APPEARED TO BE COMPRESSOR STALLED.  MX R & R NR 1 ENGINE FUEL PUMP IAW SEI-187 MM 73-13-0.  OPS AND LEAK CHECKED GOOD.  NR 1 ENGINE OVERSPEED GOVERNOR FAILED BYPASS CHECK.  R & R NR 1 ENGINE OVERSPEED GOVERNOR IAW SEI-187, MM 73-23-0.  LEAK AND OPS CHECKED GOOD.  ACFT TEST FLOWN AND ENGINE PASSED ALTITUDE ACCELERATION CHECK AT FL350.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.