Service difficulty report · Stiffener

Difficulty date
November 6, 2008
Submitted
November 6, 2008
Operation
General aviation
Engine
Wilint FJ443A
Engine time
1,858 hours, 1,328 cycles
Part
Stiffener
Part number
44904
Condition
Separated
Location
Lp Turbine
Part time
1,858 hours, 1,328 cycles
Component
1st Lp Turbine · Wilint
Component part number
72165
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.

What was found

WHILE UNDERGOING A CHECK 3 MAINT INSP DURING EARLY NOVEMBER 2008, THE STIFFENING RING ON THE 1ST LOW PRESSURE TURBINE NOZZLE ON ENGINE WAS FOUND SEPARATED AND TRAPPED BETWEEN THE 1ST LP TURBINE NOZZLE AND THE HIGH PRESSURE TURBINE NOZZLE. NO SECONDARY DAMAGE WAS NOTED. PROBABLE CAUSE IS A SUSPECT MANUFACTURING OPERATION.