# SDR CA050809001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2005
- Submitted: September 1, 2005
- Operation: General aviation
- Make and model: Airbus A310-300
- Registry model: [Airbus A310-300](https://openairdocs.org/model/airbus-industrie-a310-300) (OpenAirDocs)
- Aircraft time: 43,116 hours
- Engine: Ge CF680C2*
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Switch
- Part number: E0062D1S4BJ04
- Condition: Shorted
- Location: Anti Collision L
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050809001

## Discrepancy

(CAN) DURING STATION TURN AROUND, MAINTENANCE NOTICED SMALL SPARK COMING OUT OF THE ANTI-COLLISION CONTROL SWITCH (2LV).  CIRCUIT BREAKER (5LV) OF THE LOWER BEACON WAS POPPED.  FOUND THE ANTI-COLLISION SWITCH CONTACTS 1B AND 2B SHORTED TOGETHER, REGARDLESS OF THE SWITCH POSITION AND SHORTED TO GROUND THROUGH THE SWITCH BODY.  SWITCH ASSEMBLY WAS REPLACED.

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