SDR ERAA087084

Service difficulty report · Blade · Bell 412

Difficulty date
May 15, 2003
Submitted
June 16, 2003
Operation
General aviation
Aircraft
N164EH
Make and model
Bell 412
Aircraft serial
33004
Aircraft time
14,562 hours
Part
Blade
Condition
Damaged
Location
Tail Rotor
Part time
1,553 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THIS INFO FOR FAA SDR. HOLE IN BLADE TIP AND FEATHERING BEARINGS LOOSE. PITCH HORN BUSHINGS MISSING. FEATHERING BEARINGS WORN AND BLADE HAD VOID AT TIP. TRUNNION BEARINGS HAD SOME ROUGHNESS. ACTION TAKEN: DISASSEMBLED, CLEANED & VISUALLY INSPECTED PARTS. REASSEMBLED IAW 412-CR&O INSTALLING SERVICEABLE BLADE, NEW TRUNNION ORGS & SEALS, NEW PITCH HORN BUSHINGS, MARVEL BALANCED, TORQUED AND SAFTIES IAW 412-CR&O CH 64. COMPLIED WITH TB 412-95-134.

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