# SDR COMA9810110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N189CA](https://openairdocs.org/aircraft/N189CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120189
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Apu
- Part number: GTCP36150AA
- Condition: Smoking
- Location: Empennage
- Part time: 6,968 hours
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9810110

## Discrepancy

FLIGHT DECK FILLED WITH SMOKE DURING PRE-FLIGHT INSPECTIONS, APU WAS OPERATING, NO PASSENGERS ON BOARD.  DEFERRED APU PER MEL 49-00-1.

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