# SDR P5CA2021012700027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2021
- Submitted: January 28, 2021
- Operation: Air carrier
- Aircraft: N643GT
- Make and model: Boeing 767-3JHF
- Registry model: [Boeing 767-3JHF](https://openairdocs.org/model/boeing-767-3jhf) (OpenAirDocs)
- Aircraft serial: 37809
- Aircraft time: 19,695 hours, 5,277 cycles
- System (JASC): [3597 · Oxygen System Wiring](https://openairdocs.org/jasc/3597)
- Part: Volt Regulator
- Part number: 21656
- Part serial: 00082
- Condition: Failed
- Location: Oxy Press Ind
- 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/P5CA2021012700027

## Discrepancy

CREW OXY PRESS IND CORRUPT (IND: 1100 PSI, ACTUAL: 1650).  REPLACED VOLTAGE AVERAGING UNIT AND OPERATIONS CHECK NORMAL, PER AMM 35-11-06.

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