What was found
LIQUID OXYGEN SHUTOFF VALVE GOT HOT AND MALFUNCTIONED. CAUSING LOSS OF LIQUID OXYGEN TO PATIENT.
- Difficulty date
- January 17, 2026
- Submitted
- January 21, 2026
- Operation
- General aviation
- Aircraft
- N540SF
- Make and model
- Bolkms BK117D3
- Aircraft serial
- 21230
- Aircraft time
- 1,247 hours, 3,190 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Shutoff Valve
- Part number
- 0090288900
- Condition
- Failed
- Location
- Oxygen Sys
- Part time
- 650 hours
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.