# SDR HNAA2019093000290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2019
- Submitted: September 30, 2019
- 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: 45,953 hours, 42,408 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019093000290

## Discrepancy

PDIS  639     36-21  2095942  26SEP19  PWM  CLOSE
      ON TAKEOFF ROLL BLD 1 VLV FAIL MESSAGE APPEARED ON E
      ICAS.
FACT  27SEP19  03:49  MDT
            R&R'D #1 BLEED VALVE & REACTIVATED IRT EMB MM
            36-11-05. GROUND RUN OPS CHECK GOOD AT THIS TIME.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.