# SDR ASOA2011CL005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2011
- Submitted: November 29, 2011
- Operation: Air carrier
- Aircraft: N12957
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145080
- Aircraft time: 31,733 hours, 23,719 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Precooler
- Part number: 14530609401
- Part serial: 2031
- Condition: Faulty
- Location: Nr 1 Pylon
- Part time: 26,837 hours, 19,170 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/ASOA2011CL005

## Discrepancy

THE CREW REPORTED A NR 1 BLEED LEAK IN FLIGHT.  THE ACFT RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT.  MX REPLACED THE NR 1 ENGINE PRECOOLER.  OPS CHECKED GOOD.

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