Service difficulty report · Deice System · Cessna 208B

Difficulty date
March 28, 2006
Submitted
April 21, 2006
Operation
General aviation
Aircraft
N208JH
Make and model
Cessna 208B
Aircraft serial
208B1144
Part
Deice System
Part number
260148830
Condition
Leaking
Location
Windshield
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WATER LEAKS AROUND/THROUGH EDGE SEAL OF WINDSHIELD DE-ICE HOT PLATE AND OBSTRUCTS FORWARD VIEW OF PILOT. THIS WATER FREEZES BETWEEN THE HOT PLATE AND THE WINDSHIELD. IN RAIN CONDITIONS WITH TEMPERATURE ABOVE FREEZING WATER ACCUMULATES AND FILLS 4 TO 5 INCHES OF THE LOWER PORTION OF THE HOT PLATE. THIS WATER FLOATS AROUND THE IN THE LAYER BETWEEN THE HOT PLATE AND THE WINDSHIELD MAKING LANDING THE AC VERY DANGEROUS FROM THE PILOTS SEAT. IN TEMPERATURES BELOW FREEZING THIS WATER FREEZES AND COMPLETELY BLOCKS THE PILOTS FORWARD VIEW. THIS IS THE SECOND HOT PLATE TRIED ON THIS NEW AIRCRAFT WITH TWO DIFFERENT EDGE SEAL CONFIGURATIONS. THE WINDSHIELD DEICE HOT PLATE HAS BEEN REMOVED FROM THIS AC FOR SAFETY.

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