# SDR 200709061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2007
- Submitted: September 7, 2007
- Operation: Air carrier
- Aircraft: N632RW
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000050
- Aircraft time: 7,819 hours, 5,033 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 10018582
- Part serial: 0106
- Condition: Failed
- Location: A/C Bay
- Stage of operation: DE
- 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/200709061

## Discrepancy

FLIGHT 7509 IAD TO ROC ON DESCENT THE CREW SMELLED A BURNING ODOR.  FLIGHT ATTENDANTS CONFIRMED A BURNING ODOR IN THE CABIN.  CREW SHUT OFF THE RECIRCULATION FANS AND DECLARED AN EMERGENCY.  SHORTLY AFTER THE RECIRCULATION FANS WERE SHUT OFF THE SMELL WENT AWAY FOLLOWED BY A -PACK 2 FAIL- EICAS MESSAGE A SHORT TIME LATER.  CREW RAN THE QRH PROCEDURE AND TURNED THE NR 2 PACK OFF.  FLIGHT LANDED UNEVENTFULLY.  MAINTENANCE REPLACED THE NR 2 PACK ACM AND HEAT EXCHANGER.

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