# SDR AU980411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Gulstm AA5B
- Engine: Lyc O360A4K
- System (JASC): [2436 · DC Regulator](https://openairdocs.org/jasc/2436)
- Part: Diode
- Condition: Failed
- Location: Dc Regulator
- Stage of operation: CR
- Nature of condition: H
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU980411

## Discrepancy

(AUS) DURING CRUISE, THE 'OVER-VOLTAGE' PROTECTION ZENER DIODE FAILED, CAUSING EXTENSIVE FAILURE OF ELECTRICAL AND AVIONICS EQUIPMENT.

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