# SDR DALA2018092805791

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2018
- Submitted: September 28, 2018
- Operation: Air carrier
- Aircraft: [N825DN](https://openairdocs.org/aircraft/N825DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31936
- Aircraft time: 14,775 hours, 5,480 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: No Test
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018092805791

## Discrepancy

SHIP 3825 PRIMARY OBSERVERS SEAT . F/O O2 MASK WILL NOT TEST. CORRECTIVE ACTION: R/R OBSERVERS OXYGEN MASK STOWAGE BOX PER B737 AMM 35-12. OPS/ LEAK CHECK GOOD. (5127837).

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