# SDR UIEA2021012700136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2021
- Submitted: January 29, 2021
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 83,142 hours, 12,254 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Regulator
- Part number: 80312701
- Part serial: 4351
- Condition: Failed
- Location: Oxygen Sys
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021012700136

## Discrepancy

SUPERNUMERARY O2 PRESSURE INDICATION BETWEEN EICAS AND O2 GAUGE OUT OF LIMITS.  REMOVED AND REPLACED REGULATOR/TRANSDUCER, IAW AMM 35-11-04.  OPERATIONS CHECKS NORM AT THIS TIME.

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