SDR CA970204003

Service difficulty report · Blades

Difficulty date: January 28, 1997
Submitted: March 26, 2000
Operation: Air carrier
Engine: Ge CF343A
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blades
Condition: Bent
Location: Lt Eng Comp
Stage of operation: CR
Nature of condition: E
Precautionary procedure: K

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

What was found

(CAN) AFTER TAKEOFF AT APPROX 8,000 FEET AND 250 KNOTS, A VIBRATION WAS FELT. LEFT N1 ENGINE VIBRATION HIGHER THAN RIGHT ENGINE. VIBRATION CHANGED WITH LEFT THROTTLE MANIPULATOR. N1 VIBRATION IN AMBER RANGE ON FINAL APPROACH. FOUND LEFT HAND ENGINE THREE INLET FAN BLADES BENT. CHANGED FOUR PAIRS OF FAN BLADES ON NR 1 ENGINE. GROUND RUN CARRIED OUT AND CHECKED SERVICEABLE.