Service difficulty report · Boot · Pilats PC1245

Difficulty date
August 31, 2011
Submitted
August 31, 2011
Operation
General aviation
Aircraft
N378HH
Make and model
Pilats PC1245
Aircraft serial
378
Part
Boot
Condition
Failed
Location
Zone 600
Component
De Ice Sys
Component part number
SMR0522110
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

AFTER INSTALLATION OF A FULL SET OF PNEUMATIC DEICE BOOTS ON THE ACFT, PROCEEDED TO PERFORM THE OPS TEST OF THE PNEUMATICE DEICE BOOT SYSTEM. AT WHICH TIME, IN THE APPROPRIATE TIME IN THE SEQUENCE OF INFLATION, THE RT WING INBD BOOT HAD INFLATED PROPERLY, BUT BEFORE THE SEQUENCE WAS ENDED AND IT WAS DEFLATING, THE BOTTOM, INBD, AFT SECTION OF THE BOOT RELIEVED THE AIR PRESSURE AT A HIGH RATE. HALTED THE OPERATIONAL CYCLE AT THAT TIME. UPON INSPECTION OF THE BOOT, IT WAS FOUND THE THE "WING SIDE OF THE BOOT HAD ADHERED TO THE WING PROPERLY AND WAS NOT AT FAULT, BUT THE "STITCHING" THAT FORMS THE CHANNELS IN THE BOOT, HAD LET GO AND CONSEQUENTLY SPLIT THE SEAM ON THE AFT SIDE OF THE BOOT, SEPARATING THE LAYERS OF THE BOOT, CAUSING IT TO DUMP AIR OVERBOARD.