# SDR QXEA2019122400476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2019
- Submitted: December 24, 2019
- Operation: Air carrier
- Aircraft: [N631QX](https://openairdocs.org/aircraft/N631QX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000713
- Aircraft time: 5,122 hours, 3,266 cycles
- System (JASC): [4980 · APU Exhaust System](https://openairdocs.org/jasc/4980)
- Part: Apu
- Condition: Smoke
- Stage of operation: TX
- 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/QXEA2019122400476

## Discrepancy

GROUND CREW REPORTED LARGE AMOUNT OF DARK SMOKE COMING FROM APU. APU PLACED ON MEL.  MEL CLEARED BY PERFORMING OPS TEST OF APU IAW AMM TASK 49-10-00-700-801-A. OPS TEST PASSED. THIS CLEARS DEFECT.    NO SMOKE OBSERVED COMING FROM APU. COULD NOT DUPLICATE. NO PARTS REPLACED. RETURNED TO SERVICE.

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