What was found
ESN 706103 - HPT STAGE 1 BLADES FOUND WITH UNDER PLATEFORM CORROSION AND CRACKS.STAGE 1 P/N 1538M90P12 (80EA).
- Difficulty date
- September 11, 2007
- Submitted
- September 24, 2007
- Operation
- Air carrier
- Aircraft
- N409MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 30558
- Aircraft time
- 30,414 hours, 4,709 cycles
- Engine
- Ge CF680C2*
- Engine time
- 28,263 hours, 4,588 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine Blades
- Part number
- 1538M90P12
- Part serial
- VARIOUS
- Condition
- Cracked
- Location
- Hpt Rotor
- Part time
- 20,830 hours, 3,492 cycles
- Component
- Rotor · Ge
- Component part number
- 9255M20G06
- 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.