# SDR R61A2021070700538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2021
- Submitted: July 7, 2021
- Operation: Air carrier
- Aircraft: [N423YX](https://openairdocs.org/aircraft/N423YX), 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: 17000392
- Aircraft time: 18,728 hours, 12,564 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator Valve
- Part number: 10012463
- Part serial: 2008051445
- Condition: Inoperative
- Location: Nr 1 Engine
- Part time: 25,484 hours, 18,489 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2021070700538

## Discrepancy

REJECTED TAKEOFF AT APPROXIMATELY 100KTS FOR AN OIL/SMOKE BURNING SMELL THAT DEVELOPED ON THE TAKE OFF ROLL.  FOUND E1 NAPRSOV NOT FULLY CLOSING. R&R LH NAPRSOV.

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