# SDR SIMA201202505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2012
- Submitted: January 25, 2012
- Operation: Air carrier
- Aircraft: [N605KS](https://openairdocs.org/aircraft/N605KS), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145059
- Aircraft time: 32,926 hours, 27,817 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: O-Ring
- Condition: Leaking
- Location: Bleed Air Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201202505

## Discrepancy

ON FLIGHT 4318 THE CREW REPORTED THAT ON TAKEOFF THEY RECEIVED A BLEED NR 1 LEAK MESSAGE.  THE CREW DECLARED AN EMERGENCY AND RETURNED TO ORD.  THE AIRCRAFT LANDED WITHOUT INCIDENT.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED O-RINGS AND SLEEVES AT JOINT 17 IN CARGO COMP AS PER ETN-EM-36-048 IAW EMB-145 AMM 36-11-09.  LEAK CHECK GOOD.  ALSO REMOVED AND REPLACED THE BLEED NR 1 T TUBE ASSEMBLY AT JOINT 19 IAW EMB-145 AMM 36-11-09.  THE OPERATIONAL CHECK WAS GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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