What was found
DURING THE DISASSEMBLY PROCESS, THE HPT AFT ROTATING SEAL HAD BEEN INSPECTED AND FOUND WITH MATERIAL MISSING AND HAS BEEN REMOVED FROM SERVICE EARLY,
- Difficulty date
- November 21, 2019
- Submitted
- December 4, 2019
- Operation
- General aviation
- Aircraft
- N466L
- Make and model
- Boeing 777*
- Engine
- Ge GE90115B
- Engine time
- 22,756 hours, 4,289 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Seal
- Part number
- 1865M17P02
- Part serial
- XAEP6956
- Condition
- Damaged
- Location
- Engine
- Part time
- 22,756 hours, 4,289 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.