SDR CA971121004

Service difficulty report · Sleeve · Snias AS332L

Difficulty date: October 14, 1997
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Snias AS332L
Engine: Tmeca MAKILA1A
System (JASC): 6320 · Main Rotor Gearbox
Part: Sleeve
Part number: 332A32228822
Condition: Cracked
Location: M/R Gr Box
Component: 332A32100701
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

(CAN) FRENCH AD T97-303-066, REQUIRED INSPECTION OF THE SLEEVE, SPLINED SHAFT. INSPECTION INCLUDED A DYE PENETRANT OF SHAFT WHICH DETECTED TWO SMALL WEAR MARKS ON THE FRONT OF THE SHAFT ABOUT 120 DEGREES APART. FURTHER INVESTIGATION FOUND THAT THESE WEAR MARKS REVEALED A NUMBER OF SMALL CRACKS ORIGINATING AT WEAR MARKS AND CONTINUING AFT TOWARD THE SPLINES. PARTS SENT FOR ANALYSIS.