# SDR 2011FA0000223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2011
- Submitted: April 2, 2011
- Operation: General aviation
- Aircraft: [N5609S](https://openairdocs.org/aircraft/N5609S), registered now
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE1454
- Aircraft time: 21,018 hours
- Engine: Cont IO520BB
- Engine time: 1,571 hours
- Propeller: Hartzl PHCC3YF1
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Circuit Breaker
- Part number: 35380132101
- Part serial: 0845
- Condition: Failed
- Location: Nav Lights
- Part time: 2,423 hours, 9,692 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000223

## Discrepancy

PILOT REPORTED NAV LIGHTS INOP. ON TROUBLESHOOTING, TECH FOUND CIRCUIT BREAKER/ SWITCH TO BE AT FAULT. AD 2008-13-17, HAD BEEN COMPLETED 2423 FLIGHT HOURS PRIOR AND ESTIMATED CYCLES 9692.  NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.