What was found
DURING A POST MAINTENANCE OPERATIONAL CHECK FLIGHT THE MAIN ROTOR GEARBOX CHIP LIGHT ILLUMINATED. A PIECE OF METAL WAS FOUND ON THE CHIP PLUG. THE TRANSMISSION WAS REMOVED AND A SERVICABLE TRANSMISSION WAS INSTALLED.
- Difficulty date
- October 1, 2018
- Submitted
- October 1, 2018
- Operation
- Air carrier
- Aircraft
- N808JH
- Make and model
- Hughes 369E
- Aircraft serial
- 0577E
- Aircraft time
- 15,807 hours, 50,591 cycles
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Gearbox
- Part number
- 369D25100901
- Part serial
- 1680
- Condition
- Making Metal
- Location
- Main Rotor
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.