# SDR UIEA2018071101430

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2018
- Submitted: July 13, 2018
- Operation: Air carrier
- Aircraft: [N1361A](https://openairdocs.org/aircraft/N1361A), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26265
- Aircraft time: 87,423 hours, 18,702 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 7998014
- Part serial: 4713107
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018071101430

## Discrepancy

SIGNIFICANT SPLIT BETWEEN LT AND RT DUCT PRESS AFTER T/O TILL APPROX 17000. (INFO: RT PSI 40//LT PSI 13). ALSO SURGED THROUGHOUT CLIMB. DEFERRED LT ENG PRSOV IAW MEL 36-11-01-02A. REMOVED AND REPLACED LT ENG PRSOV IAW AMM 36-11-09. OPS CHECK GOOD.

---
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.