- Difficulty date
- May 13, 2025
- Submitted
- May 15, 2025
- Operation
- Air carrier
- Make and model
- Bolkms BK117D3
- Aircraft serial
- 20098
- Aircraft time
- 4,372 hours, 14,281 cycles
- Part
- Gearbox
- Part number
- D652M2001102
- Part serial
- M0165
- Condition
- Warning Light
- Location
- Tail Rotor
- Part time
- 2,656 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL GEARBOX CHIP LIGHT ILLUMINATED ON GROUND DURING TRAINING.