# SDR AKV2004F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2004
- Submitted: March 31, 2004
- Operation: Air carrier
- Aircraft: [N413J](https://openairdocs.org/aircraft/N413J), registered now
- Make and model: Beech 95-B55
- Registry model: [Beech 95-B55](https://openairdocs.org/model/beech-95-b55) (OpenAirDocs)
- Aircraft serial: TC831
- Engine: Cont IO470L
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 649168
- Condition: Cracked
- Location: Engine
- Part time: 2,590 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AKV2004F00000

## Discrepancy

AIRCRAFT WAS AT A CRUISING ALTITUDE OF 6000 FT MSL WHEN PILOT HEARD A LOUD BANG AND FELT SEVERE VIBRATION.  PILOT STATED THAT WHEN HE LOOKED OUT AT THE LEFT ENGINE HE SAW SMOKE AND OIL COMING FROM THE COWLING; AT WHICH TIME HE ELECTED TO SHUT THAT ENGINE DOWN.  AFTER LANDING, VISUAL INSPECTION OF THE LT ENGINE VERIFIED THAT THE NR ONE CYLINDER BARREL WAS CRACKED.  CAUSE OF FAILURE, UNKNOWN.

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