SDR ERAA080341

Service difficulty report · Head · Bolkms BO105S

Difficulty date
June 12, 2002
Submitted
July 15, 2002
Operation
Air carrier
Aircraft
N125EH
Make and model
Bolkms BO105S
Aircraft serial
S562
Aircraft time
13,440 hours
Part
Head
Part number
10531714
Part serial
51321
Condition
Binding
Location
Tail Rotor
Part time
5,245 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

TAILROTOR IS BINDING. PITCH CHANGE BUSHINGS WORN. TEFLON BUSHINGS WORN, CONTROL LEVER BOLTS AND BUSHINGS WORN, 2 SPACERS CORRODED, SEALS ROTTEN, END CAPS ROTTEN, THREADS STRIPPED ON ONE CONTROL LEVEL TO MOUNTING FORK BOLT, BLADE PAINT CRACKING, 1 BLADE BOLT DAMAGED. ACTION TAKEN: DISASSEMBLED, CLEANED & VISUALLY INSPECTED. REPLACED CONTROL LEVER BOLTS & BUSHINGS, MOUNTING FORK TEFLON BUSHINGS, SPACERS SEALS & END CAPS. ASSEMBLED WITH 2 SERVICEABLE BLADES AND 1 NEW BLADE BOLT AND STATIC BALANCED. REPAIRED IAW BO105 REM 301, NM CHAPTER 34 & 107 TT 5244.8 TSI 305.4