Service difficulty report · Duct · Beech 100BEECH

Difficulty date
April 16, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Beech 100BEECH
Aircraft time
13,892 hours
Engine
Pwa PT6A28
Propeller
Hartzl HCD4N3C
Part
Duct
Part number
310103702
Condition
Cracked
Location
Turbine Exhaust
Stage of operation
NR
How discovered
9
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

(CAN) NOTED A SHIFT IN ENGINE TRENDS ITT AND FUEL FLOW INCREASE. VISUAL INSPECTION PERFORMED. VIEWED THROUGH EXHAUST STACKS. NOTED TURBINE EXHAUST DUCT IN THE SKI JUMP AREA WAS CRACKED AND SPLIT OPEN. NR 3 BEARING COVER LOOSE AND RUBBING ON POWER TURBINE DISK.