# SDR UIEA2022061300582

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2022
- Submitted: June 14, 2022
- Operation: Air carrier
- Aircraft: [N664GT](https://openairdocs.org/aircraft/N664GT), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26259
- Aircraft time: 108,284 hours, 17,093 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Surge Valve
- Part number: 2780540102
- Part serial: 2018
- Condition: Faulty
- 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/UIEA2022061300582

## Discrepancy

APU  BLEED VALVE  INOP REMOVED AND REPLACED APU AIR SHUTOFF VALVE IAW B767 AMM 36-11-10. NO LEAKS FOUND PENDING OPS CHECK, OPS CHECK GOOD, BUT BLEED PRESSURE LOW. T/S PER FIM 49-11 FAULT TREE 979. FOUND SURGE CONTROL VALVE FAULTY. REMOVED & REPLACED APU SURGE CONTROL VALVE AS PER B767-300 AMM 49-53-01. NO LEAKS OPS 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.
