Service difficulty report · Turbine Wheel · Boeing 737890
FAA SDR system
- Difficulty date
- March 5, 2014
- Submitted
- March 7, 2014
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35693
- Aircraft time
- 19,577 hours, 5,874 cycles
- Engine
- Cfmint CFM567B273
- Part
- Turbine Wheel
- Part number
- 3400271210
- Condition
- Cracked
- Location
- Nr 1 Engine
- 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.
What was found
NR 1 ENGINE REAR TURBINE AFT FLANGE ASSY INTERMEDIATE HOLES ARE CRACKED AT SEVERAL LOCATIONS. ACFT GROUNDED. REMOVED PLUG ASSY & AFT FLANGE ASSY, INSTALLED NEW AFT FLANGE ASSY IAW MM 72-56-00-400 3.F 2 & 3. REINSTALLED PLUG ASSY IAW MM 78-11-02-400.