# SDR SIMA2018072320004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2018
- Submitted: July 23, 2018
- Operation: Air carrier
- Aircraft: [N821AE](https://openairdocs.org/aircraft/N821AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145577
- Aircraft time: 32,118 hours, 28,275 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Malfunctioned
- Location: Apu Bay
- Stage of operation: IN
- 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/SIMA2018072320004

## Discrepancy

SMOKE IN COCKPIT/CABIN, PACKS ON APU BLEED, APU FAIL MSG. R&R APU IAW WC 49-800-05.

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