# SDR 2023FA0000806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2023
- Submitted: December 4, 2023
- Operation: General aviation
- Aircraft: [N4LG](https://openairdocs.org/aircraft/N4LG), registered now
- Make and model: Raythn B300RAYTHEON
- Aircraft serial: FL326
- Aircraft time: 5,252 hours, 4,599 cycles
- Engine: Pwa PT6A67A
- Engine time: 450 hours, 390 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 51538001A
- Part serial: Y1307
- Condition: Defective
- Location: Zone 100
- Part time: 5,252 hours, 4,599 cycles
- Component: Dc Generator Co, Trw
- Component part number: 51538001A
- Stage of operation: CR
- How discovered: O
- Nature of condition: O, S
- Precautionary procedure: B, G, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000806

## Discrepancy

DC GENERATOR KICKED OFFLINE CAUSING BUS TIE TO TRIP AND LOSE OF PRESSURIZATION. REPLACED GENERATOR CONTROL UNIT, ADJUSTED PER MM. AIRCRAFT RETURNED TO SERVICE.

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