# SDR 4DPA2023071300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2023
- Submitted: July 18, 2023
- Operation: Air carrier
- Aircraft: [N931JX](https://openairdocs.org/aircraft/N931JX), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145612
- Aircraft time: 40,866 hours, 32,307 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Bleed Valve
- Part number: 4952829
- Part serial: 0445C
- Condition: Failed
- Location: Apu
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2023071300001

## Discrepancy

CREW REPORTED APU BLEED AND BLEED 1 FAIL MESSAGE IN CLIMB. RAN QRH AND RETURNED TO LAS.  MX OPS TESTED BLEED 1 NO FAULT FOUND. MX TROUBLESHOT APU BLEED AND FOUND BAD APU BLEED VALVE. R&R'D APU BLEED VALVE OPS AND LK CHECK GOOD

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