# SDR HNAA2020012000022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2020
- Submitted: January 20, 2020
- Operation: Air carrier
- Aircraft: [N639AE](https://openairdocs.org/aircraft/N639AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145182
- Aircraft time: 46,534 hours, 43,060 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Warning Message
- Condition: False Activation
- Location: High Stage Valve
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2020012000022

## Discrepancy

#1 HIGH STAGE VALVE FAILURE INDICATED DURING TAKE OFF ERROR MESSAGE EXTINGUISHED. MAINTENANCE PERFORMED OPS CHECK ON #1 HIGH STAGE VALVE WITH CREW OPS CHECK GOOD OPS CHECK DONE IAW AMM 36-11-02. OK FOR SERVICE.

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