# SDR SIMA0553

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2001
- Submitted: March 27, 2001
- Operation: Air carrier
- Aircraft: [N609AE](https://openairdocs.org/aircraft/N609AE), registered now
- Make and model: Emb EMB-145
- Registry model: [EMB EMB-145](https://openairdocs.org/model/embraer-emb-145) (OpenAirDocs)
- Aircraft serial: 145069
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: O-Ring
- Part number: S21226
- Condition: Worn
- 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/SIMA0553

## Discrepancy

ORD - FLT 4137 - DURING CLIMB, CREW NOTED NR 1 BLEED LEAK, NO OTHER PROBLEMS WERE REPORTED.  AIRCRAFT WAS RETURNED TO ORD.  MAINTENANCE REPLACED O-RINGS AT THE UPPER BLEED DUCT LINE.  OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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