What was found
DURING FLIGHT MGB CHIP LIGHT ILLUMINATED. PILOT ATTEMPTED TWO ATTEMPTS AT BURNING THE CHIP. LIGHT REMAINED ON SO PILOT ELECTED TO MAKE AN UNSCHEDULED LANDING AT A NEARBY AIRPORT.
- Difficulty date
- January 4, 2026
- Submitted
- January 6, 2026
- Operation
- General aviation
- Aircraft
- N540SF
- Make and model
- Bolkms BK117D3
- Aircraft serial
- 21230
- Aircraft time
- 1,223 hours, 3,096 cycles
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Gearbox
- Part number
- D632K1005051
- Part serial
- D30221
- Condition
- Warning Light
- Part time
- 1,223 hours
- Stage of operation
- AA
- 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.