What was found
DURING COMPLIANCE OF SB AE3007A-72-368 ON THE NR 2 ENGINE A CRACK INDICATION OF THE 2ND STAGE HIGH PRESSURE TURBINE WHEEL WAS FOUND WHILE PERFORMING THE ULTRASOUND INSPECTION. THE NR 2 ENGINE WAS REPLACED.
- Difficulty date
- April 20, 2009
- Submitted
- April 21, 2009
- Operation
- Air carrier
- Aircraft
- N12921
- Make and model
- Emb EMB145LR
- Aircraft serial
- 145354
- Aircraft time
- 20,171 hours, 15,380 cycles
- Engine
- Rroyce AE3007A1P
- Engine time
- 18,587 hours, 14,146 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine Wheel
- Part number
- 23069438
- Part serial
- MM183630
- Condition
- Cracked
- Location
- Nr 2 Engine
- Part time
- 18,587 hours, 14,146 cycles
- Stage of operation
- IN
- How discovered
- U
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.