# SDR CHQA201100048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2011
- Submitted: March 7, 2011
- Operation: Air carrier
- Aircraft: N267SK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145268
- Aircraft time: 27,150 hours, 21,724 cycles
- Engine: Allsn AE3007A
- Engine time: 14,096 hours, 12,124 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Switch
- Part number: 4800104
- Condition: Intermittent
- Location: Bleed Air 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/CHQA201100048

## Discrepancy

FLIGHT CREW REPORTED A BLEED 1 VALVE CLOSED MESSAGE SHORTLY AFTER TAKEOFF AND RETURNED TO LGA AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE NR 1 BLEED PUSH BUTTON AND THE E1 FAN AIR VALVE FILTER AS A PRECAUTION, WITH NO FURTHER DEFECTS BEING NOTED DURING ENGINE RUNS AND OPS CHECKS.

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