# SDR 2011FA0000470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2011
- Submitted: July 17, 2011
- Operation: General aviation
- Aircraft: N1570A
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE1333
- Aircraft time: 23,298 hours, 23,298 cycles
- Engine: Cont IO520BB
- Engine time: 551 hours, 551 cycles
- Propeller: Hartzl PHCC3YF1
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Strobe
- Part number: 35380132103
- Condition: Failed
- Location: Zone 100
- Part time: 1,952 hours, 7,808 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000470

## Discrepancy

PILOT REPORTED STROBE LIGHTS INOPERATIVE.  ON TROUBLESHOOTING, TECH FOUND CIRCUIT BREAKER/SWITCH TO BE AT FAULT.  AD 2008-13-17 HAD BEEN COMPLETED 1952 FLIGHT HOURS PRIOR, ESTIMATED CYCLES 7808.  NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.

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