SDR ERAA082946

Service difficulty report · Swashplate · Bell 412

Difficulty date
January 6, 2003
Submitted
January 14, 2003
Operation
Air carrier
Make and model
Bell 412
Part
Swashplate
Part number
412010402111FM
Part serial
RE0098
Condition
Worn
Location
Main Rotor
Part time
13,561 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

SWASHPLATE ASSY HAS WORN GIMBAL RING BEARINGS. DISASSEMBLED TO FACILITATE GIMBAL RING BEARING REPLACEMENT. REPLACED GIMBAL RING BEARINGS AND GIMBAL RING BOLTS, 1 TRUNNION, AND INSTALLED MAG PICKUP BRACKET & SENSOR. COMPLIED WITH RETORQUED IAW TB 412-84-40. COMPLIED WITH ASB412-02-110 NEW BOLTS IN GIMBAL RING. REASSEMBLED SWASHPLATE ASSY, TORQUED & SAFETY WIRED AS REQUIRED. LUBED WITH MOBILE 28. REPAIRED IAW 412 CR&O CH 62 MM 62 SRM & APPLICABLE BULLETINS COMPLIED WITH TB412-84-40, ASB 412-02-110.

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