# SDR TIM2001F00003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2001
- Submitted: July 19, 2001
- Operation: Air carrier
- Aircraft: [N95WA](https://openairdocs.org/aircraft/N95WA), registered now
- Make and model: Beech 99
- Registry model: [Beech 99](https://openairdocs.org/model/beech-99) (OpenAirDocs)
- Aircraft serial: U6
- Engine: Pwa PT6*
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Fuel Control
- Part number: 252444076
- Part serial: A59260
- Condition: Malfunctioned
- Location: Left Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TIM2001F00003

## Discrepancy

ENGINE REPORTEDLY BACKFIRED AND SURGED AT HIGH POWER SETTINGS WHEN MAKING CHANGES IN POWER SETTING.  ENGINE PASSED ALL GROUND PERFORMANCE CHECKS SO A FCU WAS REPLACED FOR TROUBLESHOOTING.  ITS UNKNOWN WHAT CAUSED THE FCU TO MALFUNCTION DURING THE ACCELERATION MODE.

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