# SDR ASOA20151201069C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2015
- Submitted: December 7, 2015
- Operation: Air carrier
- Aircraft: [N27200](https://openairdocs.org/aircraft/N27200), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500956
- Aircraft time: 26,827 hours, 15,824 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: O-Ring
- Part number: S30020SD
- Condition: Damaged
- Location: Bleed Air
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA20151201069C

## Discrepancy

THE CREW REPORTED AFTER ENTERING ICING CONDITIONS AND ICE PROTECTION ACTIVATED, A LOUD THUD NOISE WAS HEARD FOLLOWED BY THE STRONG ODOR OF SMOKE IN THE COCKPIT AND WHITE CLOUD OF SMOKE BY THE LAST 5 ROWS IN BACK OF ACFT.  MAINTENANCE INSPECTED AND REPLACED THE NR 11 MID COUPLING O-RINGS ON THE BLEED AIR SYSYTEM.  PERFORMED OPS CHECKS OF BOTH PACKS. NO DEFECTS WERE NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.