SDR ERAA078462

Service difficulty report · Bushing · Bell 412

Difficulty date: April 4, 2002
Submitted: April 22, 2002
Operation: General aviation
Aircraft: N168EH
Make and model: Bell 412
Aircraft serial: 33067
Aircraft time: 12,255 hours
System (JASC): 6220 · Main Rotor Head
Part: Bushing
Condition: Missing
Location: M/R Head
Part time: 13,544 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

BUSHINGS 412-010-121-101 MISSING FROM YOKE RED BLADE, COMPLY WITH 2500 HR INSPECTION. BUSHINGS MISSING, VISUAL INSPECTION APPEARS NORMAL ON YOKE & FITTING. ACTION TAKEN: DISASSEMBLED, CLEANED, INSPECTED, COMPLIED WITH 2500 HR INSPECTION IAW 412 CR&O & 412 M/M, INSTALLED YOKE BUSHINGS, SERVICEABLE LOWER CONE SEAT, SPLINE PLATE, LOWER CONE, NEW DAMPER SETS, ASSEMBLED IAW 412 CR&O.

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