What was found
EPU DOOR OPENED IN FLIGHT. ADVISORY CAUTION WAS NOTED. MADE PRECAUTIONARY LANDING AND CLOSED THE DOOR NO FURTHER ACTIONS NEEDED.
- Difficulty date
- August 26, 2025
- Submitted
- August 26, 2025
- Operation
- General aviation
- Aircraft
- N540SF
- Make and model
- Bolkms BK117D3
- Aircraft serial
- 21230
- Aircraft time
- 979 hours, 2,480 cycles
- System (JASC)
- 5247 · Auxiliary Power Unit (APU) Doors
- Part
- Door
- Part number
- B533K5672201
- Condition
- Open
- Location
- Epu
- Part time
- 979 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.