# SDR QXEA0101791

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2001
- Submitted: November 15, 2001
- Operation: Air carrier
- Aircraft: [N478US](https://openairdocs.org/aircraft/N478US), registered now
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11227
- Aircraft time: 35,023 hours, 41,755 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Odor
- Location: A/C Bay
- Stage of operation: UK
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA0101791

## Discrepancy

PDX - STRONG EXHAUST ODOR COMING FROM THE NUMBER ONE AIR CYCLE MACHINE.  PLACED AIR CYCLE MACHINE ON MEL 21-1, RSI 330954.

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