# SDR UPS01235091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2001
- Submitted: February 28, 2001
- Operation: Air carrier
- Aircraft: N210UP
- Make and model: Boeing 727247
- Aircraft serial: 21697
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Regulator
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01235091

## Discrepancy

INSPECTION TYPE:N/A, O2 REGULATOR AT F/O POSITION WILL NOT INDICATE FLOW DURING MASK TEST.  *S/D*  REMOVED AND REPLACED F/O''S REGULATOR O2, OPS CHECKED AND LEAK CHECKED GOOD.

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