What was found
MAIN GEAR BOX PRESSURE SWITCH CAUSING FALSE READING, LIGHT TO ILLUMINATE. FURTHER RESEARCH SHOWS THAT CAUSE WAS INTERNAL WIRE CHAFING.
- Difficulty date
- June 29, 2015
- Submitted
- June 29, 2015
- Operation
- General aviation
- Aircraft
- N820PM
- Make and model
- Urocop EC120B
- Aircraft serial
- 1686
- Aircraft time
- 200 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Pressure Switch
- Part number
- 7050A3632180
- Part serial
- 38037
- Condition
- Chafed
- Location
- Main Gearbox
- Part time
- 200 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.