# SDR 2012FA0000505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2012
- Submitted: July 22, 2012
- Operation: General aviation
- Aircraft: [N8046G](https://openairdocs.org/aircraft/N8046G), registered now
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE1646
- Aircraft time: 6,801 hours
- Engine: Cont IO520BB
- Engine time: 105 hours
- Propeller: Hartzl PHCC3YF1
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Circuit Breaker
- Part number: 3538013273
- Part serial: 0908
- Condition: Failed
- Location: Alternator
- Part time: 3,314 hours, 13,256 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2012FA0000505

## Discrepancy

PILOT REPORTED THAT THE ALTERNATOR WAS INOPERATIVE.  DURING TROUBLESHOOTING FOUND THAT THE ALTERNATOR CIRCUIT BREAKER WAS TO BE AT FAULT.  THE CIRCUIT BREAKER HAS A TSN OF 3314.1 AND AN 13256.4 CYCLES.  INSTALLED NEW ALTERNATOR CIRCUIT BREAKER AND OPS CHECKED GOOD.

---
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.