What was found
NR 4 BEARING CARBON SEAL FAILURE. CARBON WAS FOUND IN THE CHIP DETECTOR INSPECTION AND A FILTER AND OIL CHECK WAS PERFORMED SHOWING HEAVY CARBON WEIGHT.
- Difficulty date
- January 19, 2019
- Submitted
- March 26, 2019
- Operation
- General aviation
- Aircraft
- N300KR
- Make and model
- Bombdr BD1001A10
- Aircraft serial
- 20385
- Aircraft time
- 2,684 hours, 1,778 cycles
- Engine
- Hnywl AS90711A
- Engine time
- 2,684 hours, 1,799 cycles
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Carbon Seal
- Part number
- 30355323
- Part serial
- 1216902000526
- Condition
- Failed
- Location
- Lt Engine
- Part time
- 2,684 hours, 1,799 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.