Service difficulty report · Turbine Blades · Beech A100

Difficulty date
October 13, 2005
Submitted
November 18, 2005
Operation
Air carrier
Aircraft
N324EC
Make and model
Beech A100
Aircraft serial
B99
Engine
Pwa PT6*
Propeller
Hartzl HCB4TN3
Part
Turbine Blades
Part number
310240101
Condition
Activated
Location
Nr 2 Engine
Part time
1,329 hours
Stage of operation
NR
How discovered
O
Nature of condition
X
Precautionary procedure
O

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

What was found

NR 2 ENGINE EXPERIENCED AN INTERNAL HOT SECTION FAILURE RESULTING IN COMPLETE LOSS OF POWER AND FLAMEOUT. ALL ENGINE INDICATIONS WERE NORMAL PRIOR TO THE FAILURE. A ROUTINE HOT SECTION BORESCOPE INSPECTION HAD BEEN PERFORMED. 10.2 HOURS PRIOR TO FAILURE. THIS ENGINE IS 340.6 HOURS FROM SCHEDULED 4000 HOUR OVERHAUL. PRELIMIARY INSPECTION REVEALED COMPRESSOR TURBINES BLADES FAILURE IS PROBABLE GAUGE. (K)

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