What was found
FLANGED BUSHINGS WERE FOUND LOOSE OR MISSING FROM THE STAGE 2 UNISON RING ON THE NR 2 ENGINE. THE STAGE 2 UNISON RING WAS REPAIRED BY REPLACING 18 EA FLANGED BUSHINGS.
- Difficulty date
- October 5, 2018
- Submitted
- October 9, 2018
- Operation
- Air carrier
- Aircraft
- N733KA
- Make and model
- Boeing 7377BX
- Aircraft serial
- 30740
- Aircraft time
- 29,609 hours, 17,308 cycles
- Engine
- Cfmint CFM567B262
- Engine time
- 29,169 hours, 16,995 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Bushing
- Condition
- Missing
- Location
- Engine
- Component
- Unison Ring · Cfmint
- Component part number
- 1318M22G03
- 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.