# SDR HDNA201110140001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2011
- Submitted: November 4, 2011
- Operation: Air carrier
- Aircraft: N911PX
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0667
- Engine: Pwa PW206B
- System (JASC): [7297 · Turbine Engine System Wiring](https://openairdocs.org/jasc/7297)
- Part: Electrical Box
- Part number: 45033504
- Part serial: 1999
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 555 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HDNA201110140001

## Discrepancy

DURING START UP, THE NR 1 ENGINE WOULD NOT START DUE TO A FAULTY ELECTRICAL MASTER BOX.  BUS TIE SHOWED OPEN.

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