What was found
DURING FLT AT 34000 FEET, THE CAPTAIN`S OXYGEN MASK HOSE DISCONNECTED. ACFT GROUNDED. REMOVED AND REPLACED THE OXYGEN MASK AMM 35-12-85. OPS NORMAL.
- Difficulty date
- May 15, 2018
- Submitted
- May 17, 2018
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 17,242 hours, 5,724 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Hose
- Condition
- Disconnected
- Location
- Oxygen Mask
- Component
- Oxygen Mask
- Component part number
- 174692N9REVB
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.