What was found
HARD TO TURN N2 ROTOR. DISASSEMBLY IAW MANUAL, COMPLIED WITH PRELIMINARY FOUND GRAPHITE ON 9-12/13-18 SUMP COVER BORE LIFTTING CAUSE HEAVY RUBBING TO SEAL KNIVES CAUSE N2 ROTOR HARD TO TURN. REPLACED SUMP COVER ASSY.
- Difficulty date
- September 21, 2012
- Submitted
- September 21, 2012
- Operation
- Air carrier
- Aircraft
- N281AL
- Make and model
- Bell 206L4
- Aircraft serial
- 52319
- Aircraft time
- 7,418 hours
- Engine
- Allsn 250C30P
- Engine time
- 25,832 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Rotor
- Condition
- Worn
- Location
- Turbine
- Part time
- 25,832 hours
- Component
- Turbine
- Component part number
- 23035128
- 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.