What was found
FIRST OFFICER`S OXYGEN FAILED TO TEST, DURING PRE-FLIGHT. REPLACED THE PRIMARY OBSERVERS SEAT OXYGEN BOX IAW AMM 35-12-85. OPS NORMAL.
- Difficulty date
- July 29, 2018
- Submitted
- August 6, 2018
- Operation
- Air carrier
- Aircraft
- N850DN
- Make and model
- Boeing 737932ER
- Aircraft serial
- 31961
- Aircraft time
- 9,056 hours, 3,431 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Box
- Condition
- No Test
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.