What was found
CREW BELIEVED TAIL TKS ANTI-ICE SYSTEM NOT OPERATING PROPERLY. FOUND RIGHT INBOARD HORIZONTAL TAIL TKS PANEL DRY. FOUND TKS PROPORTIONING UNIT DEFECTIVE. INTERNAL BLOCKAGE SUSPECT CAUSE OF DEFECT.
- Difficulty date
- January 9, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N151QS
- Make and model
- Cessna S550
- Aircraft serial
- S5500151
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Proportion Unit
- Part number
- PU306DT41
- Condition
- Malfunction
- Location
- Anti-Ice System
- Part time
- 5,578 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.