Service difficulty report · Mast · Hughes 269C1

Difficulty date
November 9, 2016
Submitted
November 9, 2016
Operation
General aviation
Make and model
Hughes 269C1
Aircraft serial
225
Aircraft time
6,728 hours
Engine
Lyc HIO360G1A
Engine time
6,505 hours
Part
Mast
Part number
269A201015
Part serial
S0166
Condition
Corroded
Location
Main Rotor
Part time
6,722 hours
Stage of operation
IN
How discovered
V
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

MAIN ROTOR ASSEMBLY, CORROSION AROUND MAIN ROTOR THRUST BEARING RETAINER, AND SCISSOR MOUNTING LUG.