What was found
ENGINE CHIP LIGHT. UPON TEARDOWN OF ENG IT WAS DETERMINED THAT THE NR 5 BEARING WAS BEGINNING TO FAIL.
- Difficulty date
- October 10, 2014
- Submitted
- October 13, 2014
- Operation
- Air carrier
- Aircraft
- N404AL
- Make and model
- Bell 407
- Aircraft serial
- 53479
- Aircraft time
- 12,481 hours
- Engine
- Allsn 250C47B
- Engine time
- 10,521 hours
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NMC121196
- Condition
- Deteriorated
- Location
- Engine
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.