# SDR AALA20100406RDU01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2010
- Submitted: September 2, 2010
- Operation: Air carrier
- Aircraft: N495AA
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49733
- Aircraft time: 60,600 hours, 31,684 cycles
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Condition: Dirty
- Location: Ac Bay
- 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/AALA20100406RDU01

## Discrepancy

RDU - CREW REPORTED BURNING ODOR IN CABIN.  EMERGENCY DECLARED RETURNED RDU LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REPLACED BOTH COALESCER BAGS AND ACCOMPLISHED PACK BURNOUT.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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