# SDR YENA2023062700733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2023
- Submitted: June 27, 2023
- Operation: Air carrier
- Aircraft: [N3104J](https://openairdocs.org/aircraft/N3104J), registered now
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- Aircraft serial: 55150
- Aircraft time: 4,343 hours, 1,565 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Shutoff Valve
- Part number: 70115B010001
- Part serial: 7011501183
- Condition: Failed
- Location: Engine-2
- Part time: 4,343 hours, 1,565 cycles
- 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/YENA2023062700733

## Discrepancy

FLT#835, BOS-MSP. (AIRCRAFT PERFORMED AN AIR TURN BACK TO BOS) ' 36 R BLEED FAIL IN CLIMBING THENFL330. R PASS REG SOV INOP COMPLIED WITH ECL- DESCENT 300; THE OMS RECORDED R ENG PRSOV AS THE POSSIBLE CAUSE. REMOVED AND REPLACED R ENG PROV PER AMP 36-11-01. OPS CHECK W/ENG RUN IS STILL REQUIRED. SEE L/P 3764547 ITEM,1 (OPS CHECK OF R ENG BLEED PRSOV WAS SUCCESSFUL. A/C OK 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.