# SDR AALA970819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N417AA](https://openairdocs.org/aircraft/N417AA), registered now
- 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: 49328
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer
- Part number: 21D101
- Condition: Dirty
- Location: Acm Bay
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA970819

## Discrepancy

DFW - FLT 857 - EN ROUTE PBI/DFW, DURING CRUISE, SLIGHT SMOKE ODOR NOTED IN CABIN ON TWO OCCASIONS.  NO OTHER ABNORMAL INDICATIONS AND AIRCRAFT PROCEEDED TO DFW, LANDING WITHOUT INCIDENT.  ACCOMPLISHED PACK BURNOUT PROCEDURE AND REPLACED BOTH COALESCER BAGS.  ACCOMPLISHED GROUND ENGINE RUN AND OPERATED BOTH PACKS USING ENGINES AND APU WITH NO ODOR NOTED.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
