# SDR UIEA2019010700034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2019
- Submitted: January 7, 2019
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 87,692 hours, 18,642 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 79275515
- Part serial: 2004120460
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: IN
- 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/UIEA2019010700034

## Discrepancy

DUE TO INTERMITTENT RT ENG BLEED FLUCTUATION IN T/D+CRUISE,PLEASE CHANGE RT PRVC PRECAUTIONARY.(<P>REMOVED AND REPLACED RT ENGINE PRESSURE CONTROLLER IAW  AMM 36-11-29.OPS CHECK GOOD LEAK CHECK GOOD.</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.