# SDR P5CA2021100800381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2021
- Submitted: October 11, 2021
- Operation: Air carrier
- Aircraft: [N642GT](https://openairdocs.org/aircraft/N642GT), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26207
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Valve
- Part number: 7998013
- Part serial: 900324
- Condition: None
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2021100800381

## Discrepancy

AFTER TAKEOFF RIGHT DUCT PRESS FLUCUATED RAPIDLY AND CONTINUOUSLY BETWEEN 20-40 PSI.(<P>ITEM TRANSFERRED TO MDDR 154728 IAW MEL 36-11-00-02.</P> / <P>09OCT21 - LP 784412 - ITEM# 3 - ATL - REACTIVATED HPSOV PER AMM TASK 36-00-00-440-801. C/W EO 1936A079. REMOVED AND REPLACED RH ENG PRSOV IAW AMM 36-11-09/401. LEAK CHECK GOOD. THIS CLEARS DMI 154728.</P>)

---
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.
