# SDR M7KA0718084290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2008
- Submitted: October 24, 2008
- Operation: Air carrier
- Aircraft: [N848MH](https://openairdocs.org/aircraft/N848MH), registered now
- Make and model: Urocop EC 130 B4
- Registry model: [Urocop EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4) (OpenAirDocs)
- Aircraft serial: 4290
- Engine: Tmeca ARRIEL2B1
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 9550164950
- Part serial: 3034
- Condition: Malfunctioned
- Location: Engine
- Stage of operation: NR
- 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/M7KA0718084290

## Discrepancy

DURING FLIGHT OPERATIONS BLEED VALVE WAS CLOSING LATE AND OPENING TOO EARLY. A SERVICEABLE BLEED VALVE WAS INSTALLED. NO FURTHER DEFECT NOTED. SUSPECT ANEROID BELLOWS LOST CALIBRATION. THIS IS A RARE FAILURE FOR THIS PART. (K)

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