# SDR XSF2005F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2005
- Submitted: August 4, 2005
- Operation: Air carrier
- Aircraft: [N702SA](https://openairdocs.org/aircraft/N702SA), registered now
- Make and model: Snias AS350B2
- Aircraft serial: 3551
- Engine: Tmeca ARRIEL1D1
- System (JASC): [7310 · Engine Fuel Distribution](https://openairdocs.org/jasc/7310)
- Part: Manifold
- Part number: 0292208230
- Part serial: 1498B
- Condition: Carboned
- Location: Engine Fuel
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XSF2005F00000

## Discrepancy

DURING PREFLIGHT ENGINE WASH, ENGINE WOULD NOT ROTATE DURING STARTER ENGAGEMENT.  FOUND ENGINE COMPRESSOR DIFFICULT TO TURN BY HAND, BUT COULD TURN USING FORCE.  SUSPECTED FUEL COKING OF THE FUEL MANIFOLD LABRYNTH SEAL.  DISASSEMBLED ENGINE, CONFIRMED COKING OF THE LABRYNTH SEAL.  INSTALLED OVERHAULED FUEL MANIFOLD, REASSEMBLED ENGINE.  ENGINE FUNCTIONED NORMAL WITH NO FURTHER PROBLEMS.  PROBABLE CAUSE UNKNOWN.  (K)

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