What was found
DURING INSP, FRETTING (SMOKING) WAS FOUND TO BE COMING FROM BETWEEN THE ELEVATOR TORQUE TUBE AND THE INBD RIB THAT THE TUBE ATTACHES TO. AFTER DISASSEMBLY, CRACKS WERE FOUND IN THE RIB AND DOUBLER. BOTH ELEVATORS HAVE SIMILAR DAMAGE.
- Difficulty date
- August 2, 2011
- Submitted
- September 9, 2011
- Operation
- Air carrier
- Make and model
- Beech E90
- Aircraft time
- 25,309 hours
- Engine
- Pwa PT6A28
- Propeller
- Hartzl HCB3TN3
- System (JASC)
- 5521 · Elevator, Spar/Rib
- Part
- Rib
- Part number
- 50610000355
- Condition
- Cracked
- Location
- Elevator
- Part time
- 27,079 hours
- Component
- Elevator · 50610000491
- 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.