Service difficulty report · Sync Shaft · Boeing 1072

Difficulty date
September 5, 2019
Submitted
September 9, 2019
Operation
Air carrier
Aircraft
N188CH
Make and model
Boeing 1072
Aircraft serial
107
Aircraft time
74,845 hours
Part
Sync Shaft
Part number
107D334123
Part serial
A20161
Condition
Cracked
Location
Main Rotor
Part time
15,802 hours
Stage of operation
IN
How discovered
D
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

DURING A ROUTINE FLUORESENT PENETRANT INSPECTION, (PART OF A SCHEDULED OVERHAUL, DOCUMENTED ON SWO-049059-19) NDT TECH. FOUND ONE CRACK ON THE SYNC SHAFT SUB-ASSEMBLY ADAPTER. DISC-203256-19 HAS BEEN CREATED TO CAPTURE FURTHER MAINTENANCE.