# SDR COEA0704912

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2007
- Submitted: December 27, 2007
- Operation: Air carrier
- Aircraft: [N912FX](https://openairdocs.org/aircraft/N912FX), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 047
- Engine: Pwa PW120
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Switch
- Part number: E0276CC4FN019
- Condition: Failed
- Location: Bleed Sys
- 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/COEA0704912

## Discrepancy

AIR TURNBACK. FLIGHT NR 7202.  DURING CLIMB 12 MILES OUT, THE NR 2 BLEED VALVE WOULD NOT OPEN AND FAULTED.  RESET UNSUCCESSFUL CREW ELECTED TO RETURN TO DEPARTURE.  AC LANDED NORMALLY.  REPLACED NR 2 ENGINE BLEED PUSH BUTTON SWITCH.  (K)

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