SDR 20010314CW003

Service difficulty report · Bolt · Bell 214ST

Difficulty date: February 1, 2001
Submitted: March 14, 2001
Operation: General aviation
Aircraft: N392AL
Make and model: Bell 214ST
Aircraft serial: 28114
Engine: Ge CT71
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Bolt
Part number: NAS6606D70
Condition: Broken
Location: Fuselage
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

DURING DAILY INSPECTION, FOUND UPPER RETAINER BOLT, PN NAS6606D70, ON THE FWD NODAL BEAM ASSY HELPER SPRING BROKE, CRACKING THE HELPER SPRING SIDE PLATE AND CAUSING CONTACT DAMAGE TO THE RIGHT TORSION ARM ASSEMBLY. NEED SCHEDULED INSPECTION OR RETIREMENT OF BOTH UPPER AND LOWER BOLTS DUE TO THE HIGH STRESS LOAD ON THESE PARTS.

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