What was found
BOTH PRIMARY AND STAND-BY FLAP ACTUATOR WAS IN-OPERATIVE. ACTIVATION OF EITHER SYSTEM WOULD CAUSE THE RESPECTIVE CIRCUIT BREAKER TO OPEN. DISASSEMBLY OF THE ACTUATOR REVEALED A SHEARED ROLL PIN AND ROUGH WORM SHAFT BEARING.
- Difficulty date
- December 13, 2005
- Submitted
- December 13, 2005
- Operation
- General aviation
- Make and model
- Cessna 208B
- Aircraft serial
- 208B0989
- Aircraft time
- 1,799 hours
- Engine
- Pwa PT6A114
- Engine time
- 1,799 hours
- System (JASC)
- 2752 · Trailing Edge Flap Actuator
- Part
- Roll Pin
- Part number
- 99105863RX
- Part serial
- 6984
- Condition
- Sheared
- Location
- Te Flap Actuator
- Part time
- 885 hours
- 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.