# SDR QXEA9800028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N491US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11156
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Pack
- Condition: Smoking
- Location: Cabin
- Stage of operation: IN
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA9800028

## Discrepancy

CABIN FILLS WITH SMOKE WHEN CABIN PACK IS ON.  COCKPIT PACK OK.  MAINTENANCE PLACED CABIN PACK ON MEL.  MEL CLEARED BY OPERATING APU FOR 4 HOURS WITH APU ON, NO SMOKE NOTED.  MEL CLEARED.  NO PARTS REPLACED.

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