# SDR HNAA2019042600121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2019
- Submitted: April 26, 2019
- Operation: Air carrier
- Aircraft: [N634AE](https://openairdocs.org/aircraft/N634AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145150
- Aircraft time: 44,344 hours, 41,620 cycles
- Engine: Allsn AE3007A
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Warning Message
- Condition: False Activation
- Location: Nr 1 Bleed Valve
- Stage of operation: TO
- How discovered: V
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019042600121

## Discrepancy

PDIS  634     36-12  1846482  24APR19  PWM  CLOSE
      BLEED 1 VALVE CLOSED MESSAGE ON TAKEOFF. C/W QRH.
FACT  24APR19  11:36  PWM
            CHECKED CMC FOR MESSAGES. NO RELEVANT MESSAGES
            NOTED. C/W AMM TASK 36-11-05-700-802-A. NO
            DEFECTS NOTED. FOUND TO BE A TRANSITORY
            CONDITION.

---
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.