# SDR SIMA201904176001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2019
- Submitted: April 17, 2019
- Operation: Air carrier
- Aircraft: [N227NN](https://openairdocs.org/aircraft/N227NN), 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: 17000543
- Aircraft time: 8,069 hours, 5,529 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Filter
- Condition: Clogged
- Location: Nprsov
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201904176001

## Discrepancy

BLEED 2 OVERPRESURE ATTEMPTED TO CLEAR PER QRH NOT CLEARED.  PERFORMED TROUBLE SHOOTING PER FIM 36-11-00 FOUND NPRSOV FILTER TO BE COMPLEATLY CLOGED RAR NPRSOV PER AMM 36-11-03 OPS GOOD

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