What was found
(AUS) MAIN ROTOR SWASHPLATE LOWER BOLT DAMAGED. INVESTIGATION FOUND A FLAT SPOT ON THE BLADE SHANK. SUSPECT MANUFACTURING ERROR AS FLAT SPOT HAD BEEN CADMIUM PLATED. FOUND DURING INSPECTION IAW AD/R44/20.
- Difficulty date
- December 2, 2003
- Submitted
- January 5, 2004
- Operation
- General aviation
- Make and model
- Robsin R44
- Engine
- Lyc O540F1B5
- System (JASC)
- 1430 · Fasteners
- Part
- Bolt
- Part number
- NAS660531
- Condition
- Mismanufactured
- Location
- M/R Swashplate
- Part time
- 435 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.