# SDR DALA2023082206847

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2023
- Submitted: August 22, 2023
- Operation: Air carrier
- Aircraft: [N539US](https://openairdocs.org/aircraft/N539US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26486
- Aircraft time: 82,363 hours, 30,631 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023082206847

## Discrepancy

SHIP 5639 -DIV/DE - TO DEN DUE TO CREW O2 INDICATION AT ZERO. CORRECTIVE ACTION: SYSTEM PLACED ON MEL. VERIFIED BOTTLE FULL. SUBSEQUENTLY REPLACED TRANSDUCER TO CLEAR MEL.

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