# SDR ASOA201703095016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2017
- Submitted: March 14, 2017
- Operation: Air carrier
- Aircraft: N12921
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145354
- Aircraft time: 39,463 hours, 30,309 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bearing
- Condition: Seized
- Location: Acm
- 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/ASOA201703095016

## Discrepancy

PILOT REPORTED A BURNING ODOR IN COCKPIT AND IN FRONT OF AIRCRAFT FOUR OR FIVE TIMES DURING FLIGHT. MX REMOVED AND REPLACED #1 AIR CYCLE MACHINE WITH OPERATIONAL CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.

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