Service difficulty report · Engine · Textrn 408

Difficulty date
October 17, 2024
Submitted
October 21, 2024
Operation
Air carrier
Aircraft
N408RE
Make and model
Textrn 408
Aircraft serial
4080022
Aircraft time
187 hours, 173 cycles
Engine
Pwa PT6A65*
Part
Engine
Condition
Damaged
Stage of operation
IN
How discovered
B
Nature of condition
C
Precautionary procedure
K

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

What was found

INERTIAL SEPARATOR ACTUATOR TOP ATTACHMENT ROD END LOOSENED AND BECAME EXCESSIVELY LOOSE ON BOTH LEFT AND RIGHT ENGINES. THE NUT RETAINER BRACKET OF THE RIGHT ENGINE'S I/S ACT. ROD END BROKE AT THE BOLT HOLE WHERE THE ROD END PASSES THROUGH, AND THE BRACKET WAS FOUND ON TOP OF THE ENGINE INLET SCREEN. THE SMALLER PIECE THAT BROKE OFF IS SUSPECTED TO HAVE MADE IT PAST THE INLET SCREEN AND GONE THROUGH THE ENGINE. A BORESCOPE INSPECTION THAT WAS DONE SUPPORT THIS THEORY AS THE FIRST STAGE COMPRESSOR SHOWS SIGNIFICANT FOD INGESTION DAMAGE TO THE LEADING EDGES OF THE COMPRESSOR BLADES.