Service difficulty report · Ring Gear · Skrsky S61N

Difficulty date
March 7, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Skrsky S61N
Part
Ring Gear
Part number
S6135220173
Condition
Failed
Location
Main Gearbox
Part time
639 hours
Component
Skrsky · S61352060004
Stage of operation
IN
Nature of condition
J
Precautionary procedure
K

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

What was found

(CAN)MAIN GEARBOX CHIP LIGHT ALONG WITH AUDIBLE SOUND CHANGE FROM MGB AREA. FOLLOWING SHUTDOWN INSPECTION OF COURSE SCREEN SHOWED SOME FERROUS AND NON FERROUS PARTICLES. ON DISASSEMBLY IT WAS FOUND THAT THE RING GEAR HAD FAILED.