Service difficulty report · Yoke · Bell 430

Difficulty date
November 6, 2013
Submitted
November 8, 2013
Operation
Air carrier
Aircraft
N555BA
Make and model
Bell 430
Aircraft serial
49119
Aircraft time
6,228 hours, 19,222 cycles
Engine
Allsn 250C40B
Engine time
5,130 hours, 9,331 cycles
Part
Yoke
Part number
430010101101
Part serial
A356
Condition
Cracked
Location
Main Rotor
Part time
6,228 hours, 19,222 cycles
Component
Yoke Assembly · Bell
Component part number
430010100113
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

WHILE PERFORMING 150 HR INSPECTION OF MAIN ROTOR YOKE, FOUND SIX NEW CRACKS SINCE LAST INSPECTION. SMALLEST CRACK WAS 0.5 AND LONGEST CRACK 3.375. FOUR ON TOP OF YOKE, TWO ON EACH ARM AND THREE ON BOTTOM, TWO ON ONE SIDE AND ONE ON THE OTHER.

More about the Bell 430