What was found
HPT 2ND STG BLADE HAS AN AXIAL CRACK IN AREA B, FROM THE T/E COOLING SLOTS IN TOWARDS MIDDLE OF BLADE. REPLACE NR 1 ENGINE REF EG3710-1.
- Difficulty date
- May 20, 2010
- Submitted
- May 21, 2010
- Operation
- Air carrier
- Aircraft
- N220UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30223
- Aircraft time
- 37,387 hours, 4,637 cycles
- Engine
- Pwa PW4090
- Engine time
- 33,311 hours, 4,385 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Blade
- Condition
- Cracked
- Location
- Hpt
- Stage of operation
- IN
- How discovered
- B
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.