# SDR 2393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2007
- Submitted: June 15, 2007
- Operation: Air carrier
- Aircraft: N695CD
- Make and model: Cirrus SR22
- Registry model: [Cirrus SR22](https://openairdocs.org/model/cirrus-design-sr22) (OpenAirDocs)
- Aircraft serial: 1372
- Aircraft time: 1,606 hours
- Engine: Cont IO550N
- Engine time: 1,606 hours
- Propeller: Hartzl PHCJ3YF1
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Control Unit
- Part number: 14605010
- Condition: Failed
- Location: Nr 2 Alternator
- Component: Mcu, Cirrus, MCU120
- Component part number: MCU120
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2393

## Discrepancy

AT APPROXIMATELY 1300 LOCAL AND DURING CLIMB-OUT FROM KGSP GOING TO KSAV THE ALT 2 WARNING LIGHT CAME ON AND SHOW A BATTERY DISCHARGE.  ACTION TAKEN WAS TO DIVERT TO KGMU FOR TROUBLESHOOT AND REPAIR.  1 PASSENGER ON BOARD AND LANDED WITHOUT INCIDENT.  FOUND THE NR 2 ALT FIELD CONTROL UNIT IN THE MCU 120 TO BE READING HIGH RESISTANCE.

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