What was found
(CAN) ENGINE MAKING METAL WHILE AIRCRAFT RUNNING ON GROUND. METAL FOUND ON BOTH THE UPPER AND LOWER MAGNETIC CHIP PLUG LOCATED ON ENGINE GEARBOX.
- Difficulty date
- September 15, 2014
- Submitted
- March 12, 2015
- Operation
- General aviation
- Make and model
- Bell 407
- Aircraft time
- 11,145 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Gearbox
- Part number
- 23063393
- Condition
- Making Metal
- Location
- Engine
- Part time
- 2,846 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.