# SDR CA130808006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft time: 70,473 hours
- Engine: Cfmint CFM565A1
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Check Valve
- Condition: Cracked
- Location: Pneumatic Sys
- 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/CA130808006

## Discrepancy

(CAN) DURING ROUTINE "C" CHECK MAINTENANCE, THE APU BLEED CHECK VALVE WAS FOUND TO HAVE A 1" CRACK IN THE FLAPPER NEAR THE HINGE LINE.  THE CRACK WAS VERIFIED BY DYE PENETRANT INSPECTION.  THE CHECK VALVE WAS REPLACED.

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