# SDR UPS01435275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2001
- Submitted: March 14, 2001
- Operation: Air carrier
- Aircraft: N525UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21939
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Indicator
- Condition: Inoperative
- Location: Oxygen System
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01435275

## Discrepancy

INSPECTION TYPE:IN TARGET ALERT 19396 PAX O2 REQUIRES FREQUENT SERVICE M210827 - DUAL PRESS O2 IND ON S/O STATION INOP.  *S/D*  CLEARED AND RESEATED C/P''S ON BOTH CREW O2 BOTTLES INDICATION NORMAL.  THIS CLEARS MEL M210827.

---
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.