What was found
(CAN) AIRCRAFT HAD CHIP DETECTOR LIGHT IN CRUISE AND RETURNED TO BASE. POST FLIGHT INSPECTION FOUND METAL IN THE OIL TANK. FURTHER INSPECTION REVEALED THE #4 AND #5 BEARINGS HAD FAILED. THE COMPLETE GEARBOX WAS REPLACED.
- Difficulty date
- July 14, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Snias AS350D
- Engine
- Lyc LTS101600A3
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Gearbox
- Condition
- Broken Bearing
- Location
- #4 & #5 Bearing
- Part time
- 8,040 hours
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.