# SDR UIEA2024060500476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2024
- Submitted: June 6, 2024
- Operation: Air carrier
- Aircraft: [N642GT](https://openairdocs.org/aircraft/N642GT), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26207
- Aircraft time: 85,537 hours, 24,734 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Stowage Box
- Part number: MXP147
- Part serial: S236
- Condition: No Test
- Location: Oxygen Mask
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2024060500476

## Discrepancy

FIRST OBSERVERS OXYGEN MASK NOT TESTING(<P>SUSPECT FO'S OXYGEN STORAGE BOX AND MASK WITH FIRST OBSERVERS SEAT PER AMM 35-11-51. DEFERRING FIRST OBSERVERS SEAT TO DMI 210052 PER MEL 25-11-02-01 CAT A DUE DATE 06JUN24. PLACARDS INSTALLED. LEAK  CHECKS OK. REMOVED AND REPLACED FIRST OBSERVERS STORAGE BOX & LEAK CHECKS OK IAW AMM 35-11-51. DMI 210052 CLOSED.</P>)

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