# SDR FDEA202609181369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N198FE](https://openairdocs.org/aircraft/N198FE), registered now
- Make and model: Boeing 767-300
- Registry model: [Boeing 767-300](https://openairdocs.org/model/boeing-767-300) (OpenAirDocs)
- Aircraft serial: 63128
- Aircraft time: 7,188 hours, 3,522 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Box
- Part number: MXP8061
- Condition: Failed
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202609181369

## Discrepancy

DURING PREFLIGHT, DISCOVERED TEST TO PRESS AND RESET BUTTON ON FAR LEFT JUMPSEAT OXYGEN MASK WAS DETACHED.   AMM 35-11-51-2,  MM 35-11-51-2, R&R THE JUMP SEAT 02 BOX.  OPS CHKD OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.