# SDR CA050408001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2005
- Submitted: May 2, 2005
- Operation: General aviation
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft time: 25,329 hours
- Engine: Pwa PW120
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Gcu
- Part number: 10200311
- Part serial: 1238
- Condition: Failed
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050408001

## Discrepancy

(CAN) SHORTLY AFTER DEPARTING YZF, NR 2 DC GENERATOR WENT OFF LINE.  THE AIRCRAFT RETURNED TO POINT OF DEPARTURE WHERE MAINTENANCE RERACKED THE NR 2 GCU AND GROUND RAN THE AIRCRAFT WITH NO FAULT FOUND.  RETURNING TO YZF LATER SAME DAY THE NR 2 DC GENERATOR WENT OFFLINE AGAIN.  UPON ARRIVAL IN YZF THE NR 2 GCU WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.

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