# SDR AALA20130412019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2013
- Submitted: April 17, 2013
- Operation: Air carrier
- Aircraft: [N591AA](https://openairdocs.org/aircraft/N591AA), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53254
- Aircraft time: 66,814 hours, 28,959 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/AALA20130412019

## Discrepancy

ATL - FLIGHT ATTENDANTS REPORTED BURNING RUBBER SMELL WITH A HAZE IN AFT CABIN.  EMERGENCY DECLARED FLIGHT RETURNED ATL LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  ACCOMPLISHED PACK BURN AND REPLACED COALESCER BAGS.  SYSTEM GROUND CHECK NORMAL OPERATION.

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