SDR CA970129017

Service difficulty report · Fan Blades

Difficulty date: January 1, 1997
Submitted: March 26, 2000
Operation: General aviation
Engine: Pwa PW4056
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Fan Blades
Condition: Shingled/Damaged
Location: #2 Engine
Stage of operation: TO
Nature of condition: E
Precautionary procedure: O

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

What was found

(CAN) HIGH VIBRATION ON #2 ENGINE WITH FAN BLADE SHINGLING. INSPECTION FOUND ALL FAN BLADES SHINGLED, MOST OF THE BLADES HAD EXTENSIVE DAMAGE IN THE SHROUD AREA. THE ENGINE PICKED UP HEAVY SNOW DURING TAKEOFF. ALL FAN BLADES REMOVED. STAGE 2 FAN EXIT VANES AND EXHAUST CHECKED SERVICEABLE. FAN BLADE SET REPLACED. GROUND RUN AND VIBRATION SURVEY CARRIED OUT SERVICEABLE.