What was found
WHILE INSPECTING ONE OF THE FIVE PLANETARY GEARS. THE ENGINEER NOTICED A RING LIKE PATTERN ON ONE OF THE TEETH. WHEN THEY RUBBED THE AREA WITH THEIR FINGERNAIL TO SEE IF THE STAIN WAS PERMANENT A CHIP OF METAL FELL AWAY.
- Difficulty date
- January 18, 2023
- Submitted
- January 18, 2023
- Operation
- General aviation
- Filed by
- 8NZY721C
Salus Aviation AW Limited - Aircraft
- N350HC
- Make and model
- Snias AS350B2
- Aircraft serial
- 3361
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Planetary Gear
- Part number
- 350A32108203
- Part serial
- ZF19345
- Condition
- Damaged
- Location
- Main Rotor
- Part time
- 3,818 hours, 11,618 cycles
- Component
- Epicyclic Assy · Snias
- Component part number
- 350A32011000
- 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.