What was found
LEFT ENG LOW PRESS TURBINE VIBRATION LEVEL AT 4.8 - 5.0 DURING FLIGHT. CRACKS FOUND ON THE ENGINE’S TURBINE CASE COOLING MANIFOLD. REPLACED LT ENG. CAUSE UNKNOWN AT THIS TIME. PENDING ENG SHOP FINDINGS.
- Difficulty date
- January 6, 2015
- Submitted
- January 12, 2015
- Operation
- Air carrier
- Aircraft
- N317CM
- Make and model
- Boeing 767338
- Aircraft serial
- 24317
- Aircraft time
- 91,917 hours, 25,246 cycles
- Engine
- Ge CF680C2B6
- Engine time
- 64,431 hours, 20,090 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Manifold
- Condition
- Cracked
- Location
- Lt Engine
- Component
- Engine · Ge · CF680C2
- Component part number
- CF680C2B6
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.