# SDR CHQA201000045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2010
- Submitted: February 24, 2010
- Operation: Air carrier
- Aircraft: N375SK
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145569
- Aircraft time: 22,765 hours, 16,715 cycles
- Engine: Allsn AE3007A
- Engine time: 19,057 hours, 14,066 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 32158861
- Part serial: 881
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 18,241 hours, 13,663 cycles
- 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/CHQA201000045

## Discrepancy

DURING CLIMB, CREW REPORTED A BLEED 1 VALVE FAIL MESSAGE IN ICING CONDITIONS.  IT WAS DECIDED TO RETURN TO STL AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE E1 BLEED VALVE WITH NO FURTHER DEFECTS NOTED.

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