# SDR IPXA2021051769485

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2021
- Submitted: May 21, 2021
- Operation: Air carrier
- Aircraft: [N621UP](https://openairdocs.org/aircraft/N621UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 65785
- Aircraft time: 3,670 hours, 555 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Bottle
- Part number: NA
- Part serial: NA
- Condition: Warning Message
- Location: Crew Oxygen
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021051769485

## Discrepancy

INSPECTION TYPE:NA**DIVERSION - SDR FILED OPEN - NO EMERG DECL'D - AC LANDED UNEVENTFULLY**  "CREW OXY LOW" EICAS MSG, DIVERTED TO ONT.  DEFERRED ITEM USING MEL 35-11-1 ACCOMPLISHED DMP 35-11-1 BOTTLES OPEN. PRESSURE IS 1500, 1600, 1600, 1900.

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