# SDR ASOA20140902093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2014
- Submitted: September 3, 2014
- Operation: Air carrier
- Aircraft: N15986
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145254
- Aircraft time: 35,205 hours, 26,768 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Inoperative
- Location: Nr 2
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA20140902093

## Discrepancy

CREW REPORTED SMOKE IN CABIN, FOLLOWED BY A POP, THEN BURNING ODOR.  ODOR AND SMOKE DISAPATED WHEN NR 2 PACK WAS DESELECTED.  ACFT PERFORMED AN AIR RETURN WITHOUT INCIDENT.   INSPECTED AND FOUND NR 2 PACK TO BE INOPERATIVE.  NR 2 AIR CYCLE MACHINE WAS R & R WITH OPS CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.

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