Service difficulty report · Yoke · Bell 430

Difficulty date
June 16, 2014
Submitted
June 17, 2014
Operation
Air carrier
Aircraft
N555BA
Make and model
Bell 430
Aircraft serial
49119
Aircraft time
6,678 hours
Engine
Allsn 250C40B
Part
Yoke
Part number
430010101101
Part serial
A362
Condition
Cracked
Location
Main Rotor
Part time
6,678 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

UPON INITIAL INSPECTION FOUND FOUR CRACKS IN MAIN ROTOR YOKE LOCATED BETWEEN STATION 26 & 31. CRACKS ARE 2 TO 4.5 INCHES IN LENGTH. AFTER REMOVING SEALANT FROM KNOWN CRACKS FOUND ADDITIONAL CRACKING UNDERNEATH MAKING FIVE CRACKS ON ARM. THERE ARE THREE CRACKS ON TOP SIDE OF ARM STARTING AT STATION 26 EXTENDING TO STATION 30.5. TWO 2 INCHES IN LENGTH & ONE 4.5 INCHES IN LENGTH. TWO CRACKS ON BOTTOM, ONE 2.125 INCHES & ONE 3.5 INCHES.

More about the Bell 430