# SDR DALA2026091505153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2026
- Submitted: September 15, 2026
- Operation: Air carrier
- Aircraft: [N776DE](https://openairdocs.org/aircraft/N776DE), registered now
- Make and model: Boeing 737-8EH
- Registry model: [Boeing 737-8EH](https://openairdocs.org/model/boeing-737-8eh) (OpenAirDocs)
- Aircraft serial: 39624
- Aircraft time: 33,422 hours, 19,353 cycles
- Engine: Cfmint CFM567B262
- Engine time: 35,690 hours, 16,787 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Condition: Faulted
- Location: Zone 400
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026091505153

## Discrepancy

ATB- RETURNED TO MIA DUE TO ABSENCE OF BLEED PRESSURE FROM RT ENGINE.   REPLACED RT PRSOV, BLEED OPS CHECK GOOD. REPLACED 390 & 450 DEGREE SENSORS AS A PRECAUTION. (LP 8944148 - AIRCRAFT WAS GROUNDED)

---
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.