# SDR 96ZZZX3340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N5984P](https://openairdocs.org/aircraft/N5984P), registered now
- Make and model: Piper PA-24-180
- Registry model: [Piper PA-24-180](https://openairdocs.org/model/piper-pa-24-180) (OpenAirDocs)
- Aircraft serial: 241077
- Engine: Lyc O360A1A
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: P-Lead
- Condition: Deteriorated
- Location: Lt Magneto
- Part time: 2,222 hours
- Stage of operation: IN
- Nature of condition: E, R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX3340

## Discrepancy

ENGINE INTERMITTENT, ROUGHNESS, WAS BELIEVED CAUSED BY LEFT MAGNETO P-LEAD SHORTING OUT AGAINST OUTSIDE SHIELDING.  BOTH LT AND RT P-LEADS INTERNAL INSULATION HAD DETERIORATED TO POWDER.  THIS CONTRIBUTED TO ACCIDENT.  P-LEADS APPEARED TO BE ORIGINAL EQUIPMENT ON AIRCRAFT.

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