# SDR DXTA2010061404122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2010
- Submitted: June 14, 2010
- Operation: Air carrier
- Aircraft: [N913QS](https://openairdocs.org/aircraft/N913QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500113
- Aircraft time: 9,608 hours, 5,904 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Condition: Failed
- Location: Lt Generator
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2010061404122

## Discrepancy

WHILE IN CLIMB, WE HAD THE LT GENERATOR AMBER CAS MESSAGE. RAN CHECKLIST. A FEW MINUTES LATER WE HAD MULTIPLE AMBER CAS MESSAGE, NR 1, 2 AND 3 TUBES WENT BLACK AND NR 4 AND 5 TUBES STARTED FLASHING.  LANDED WITH NO FLAPS, NO TRS, SUSPECTING BUSS CONTROLLER FAILURE.  R & R LT GENERATOR CONTROL UNIT. OPS CHECK GOOD IAW MM 24-30-00 ALSO R & R LT ACFT BATTERY DUE TO BATTERY DRAIN WITH "GENERATOR OFFLINE" BATTERY OPS CHECK GOOD IAW MM 24-34-00.

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