Service difficulty report · Hub · Skrsky S58ET

Difficulty date
August 9, 1999
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Skrsky S58ET
Engine
Pwa PT6T3
Part
Hub
Part number
S1610330032
Condition
Cracked
Location
Tail Rotor
Part time
1,188 hours
Component
S1619311002
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) T/R HUB WAS REMOVED AND DISASSEMBLED IN ORDER TO COMPLY WITH SB. DURING OVERHAUL, AN NDT INSPECTION REVEALED A CRACK IN THE RADIUS OF THE MOUNTING FLANGE (INBD SIDE). IT IS THOUGHT THAT A FAULTY CASTING MAY HAVE CAUSED THE CRACK.