What was found
DURING THE HPC CONE SHAFT FPI INSPECTION DURING AN HPC MODULE SHOP VISIT, SAFRAN AIRCRAFT ENGINES DISCOVERED AN UNUSUAL 8 MM LONG CRACK IN THE SLOT AREA. THE TC HOLDER HAS BEEN INFORMED AND INVESTIGATIONS ARE ON-GOING.
- Difficulty date
- August 3, 2021
- Submitted
- August 3, 2021
- Operation
- General aviation
- Filed by
- NM1Y353K
Safran Aircraft Engines - Make and model
- Boeing 777
- Engine
- Ge GE90110B1
- Engine time
- 27,719 hours, 4,706 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Shaft
- Part number
- 3511029060
- Part serial
- DE038198
- Condition
- Abnormal
- Location
- Hpc
- Part time
- 27,719 hours, 4,706 cycles
- Component
- Hpc Module
- Component part number
- 2115M53G08
- Stage of operation
- IN
- How discovered
- D
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.