What was found
TRANSMISSION CHIP LIGHT ON ROLL UP TO FLIGHT. REMOVED AND INSPECTED ALL TRANSMISSION CHIP DETECTORS FOUND NO METAL DURING REINSTALL OF LOWER CHIP DETECTOR CHIP LIGHT CAME ON. TESTED LOWER CHIP DETECTOR FOUND IT HAD INTERNALLY FAILED.
- Difficulty date
- March 20, 2026
- Submitted
- March 21, 2026
- Operation
- Air carrier
- Aircraft
- N645AM
- Make and model
- Bell 407
- Aircraft serial
- 56467
- Aircraft time
- 41 hours, 89 cycles
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Warning Light
- Condition
- False Activation
- Location
- Zone 200
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.