# SDR GTIA030676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2003
- Submitted: October 1, 2003
- Operation: Air carrier
- Aircraft: N822NK
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 49392
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Condition: Odor
- Location: Air Conditioning
- Stage of operation: CR
- 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/GTIA030676

## Discrepancy

CABIN AIR SMELLS LIKE BURNT OIL WHEN MIX VALVES MOVE TOWARD MID RANGE WARM OR HOT.  REMOVED AND REPLACED AIR CONTIONING COALESCER BAGS.  INSPECTED ACM OIL LEVEL CK GOOD.  RAN PACKS, NO ABNORMAL ODORS NOTD, OK FOR SERVICE.  (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.