SDR ERAA082945

Service difficulty report · Swashplate · Bell 412

Difficulty date
January 6, 2003
Submitted
January 14, 2003
Operation
Air carrier
Aircraft
N412EH
Make and model
Bell 412
Aircraft serial
33001
Aircraft time
19,079 hours
Part
Swashplate
Part number
412010402111
Part serial
RE442
Condition
Worn
Location
Main Rotor
Part time
5,819 hours
Stage of operation
IN
How discovered
9
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

SWASHPLATE HAS WORN GIMBAL RING AND S/P LINK BEARINGS. ALSO TWO TRUNNIONS WORN, DISASSEMBLED TO FACILITATE GIMBAL BEARING REPLACEMENT. REPLACED GIMBAL RING BEARINGS AND BOLTS AND REPLACED 2 TRUNNIONS. VISUALLY INSPECTED AND FOUND NO ADDITIONAL DEFECTS. REASEMBLED, TORQUED AND SEATED AS REQUIRED. COMPLIED WITH ASB412-02-110 ON 2 GIMBAL BOLTS. LUBED BRGS WITH MOBIL 28 GREASE. REPAIRED IAW 412 CR&O CH 62, MM 62, & SPM TT 5819.2 TSO 1294.9

More about the Bell 412