SDR CA990323027

Service difficulty report · Wheel · Cndair CL6002B19

Difficulty date: March 18, 1999
Submitted: March 26, 2000
Operation: General aviation
Make and model: Cndair CL6002B19
Engine: Ge CF343B1
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Wheel
Condition: Damaged
Location: Compressor
Stage of operation: CL
Nature of condition: R, J
Precautionary procedure: E, A

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

What was found

(CAN) NR 1 ENGINE ITT WAS 100 DEGREES CELSIUS HIGHER THAN NR 2 ENGINE DURING CLIMB. MAXIMUM CONTINUOUS 860 DEGREES CELSIUS REACHED WITH N1 5 PERCENT BELOW MAXIMUM. DURING THRUST REDUCTION ON TURN- AROUND, AN UNUSUAL NOISE WAS HEARD FROM NR 1 ENGINE AND ITT WENT TO 999 DEGREES CELSIUS. THE ENGINE WAS SHUT DOWN. POST-FLIGHT BORESCOPE INSPECTION CARRIED OUT AND SIGNIFICANT DAMAGE FOUND AT THE 7TH STAGE COMPRESSOR. THE ENGINE WAS REPLACED.