# SDR 2000UALA00023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 19,031 hours, 3,847 cycles
- Engine: Pwa PW4077
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Bleed Valve
- Part number: B198201
- Condition: Leaking
- Location: Crew Oxygen Sys
- Stage of operation: CR
- 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/2000UALA00023

## Discrepancy

EN ROUTE EWR - DEN, CREW OXYGEN LOW EICAS MESSAGE DISPLAYED WITH STATUS PAGE INDICATING 500 PSI.  DIVERTED TO IND.  *S/D*  FOUND CREW OXYGEN BLEED VALVE LEAKING (P/N: B19820-1).  BLEED VALVE WAS REPLACED.

---
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.