# SDR RAAA98B1091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N831RV](https://openairdocs.org/aircraft/N831RV), registered now
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19093
- System (JASC): [3530 · Portable Oxygen System](https://openairdocs.org/jasc/3530)
- Part: Pbe
- Part number: 4566M37B042NM
- Condition: Vacuum Lost
- Location: Cockpit
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAAA98B1091

## Discrepancy

FLIGHT CREW REPORTED COCKPIT PBE INDICATOR PROTRUDES IN FLIGHT.  CHANGED PBE DUE POUCH VACUUM LOST.

---
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.