# SDR 2011FA0000256

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2011
- Submitted: April 23, 2011
- Operation: General aviation
- Aircraft: N1556A
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE1318
- Aircraft time: 21,812 hours
- Engine: Cont IO520BB
- Engine time: 1,237 hours
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Circuit Breaker
- Part number: 35380132103
- Condition: Failed
- Location: Strobe Lights
- Part time: 1,237 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000256

## Discrepancy

PILOT REPORTED STROBE LIGHT SWITCH FELL IN THE DOWN POSITION TWICE IN FLIGHT.  AD 2008-13-17 HAD BEEN COMPLETED 1237 FLIGHT HOURS PRIOR.  NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.

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