# SDR 96ZZZX5021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N491K](https://openairdocs.org/aircraft/N491K), registered now
- Make and model: Dhav DHC3
- Aircraft serial: 434
- Engine: Pwa R134059
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: SB9RN4
- Condition: Condenser Failed
- Location: Engine
- Stage of operation: CR
- Nature of condition: E, R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX5021

## Discrepancy

ENGINE DEVELOPED ROUGHNESS, DETERMINED TO BE MAGNETO FAILURE.  PILOT LANDED AND TAXIED ON BEACH WHERE IT WAS DETERMINED THE EXHAUST ROCKER CHAMBER NR 1 CYLINDER HAD CRACKED, PRESUMABLY FROM ENGINE ROUGHNESS.  BOTH COMPONENTS WERE REPLACED.

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