The freewheeling unit chip plug on the 505 sits in a pan assembly that requires an extra short drain fitting because of clearance issues.
The position also requires a suction pump to pull the oil out of the freewheeling unit assembly.
It just won't drain out on it's own.
- ATA Chapter:
- 12-Servicing
- ATA Chapter:
- 63-Main Rotor Drive
- Maintenance Type:
- Flightline
