What was found
DURING PREFLIGHT, FIRST OFFICER'S OXYGEN MASK DOES NOT WORK PROPERLY. REMOVED AND REPLACED IAW AMM 35-12. CHECKED OK.
- Difficulty date
- June 5, 2018
- Submitted
- June 6, 2018
- Operation
- Air carrier
- Aircraft
- N811DZ
- Make and model
- Boeing 737932ER
- Aircraft serial
- 31916
- Aircraft time
- 16,024 hours, 5,891 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.