What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: O2 MASKS OVER ROW 19 SEATS ABC DEPLOYED AND EXPANDED OXYGEN. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT MIA. REPLACED OXYGEN GENERATOR. PER MM 35-22-11.
- Difficulty date
- December 8, 2025
- Submitted
- December 10, 2025
- Operation
- Air carrier
- Aircraft
- N891NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33315
- Aircraft time
- 40,145 hours, 17,368 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Oxygen Mask
- Condition
- Unwanted Deploy
- Location
- Zone 200
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- S
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.