SDR ERAA087074

Service difficulty report · Head · Bolkms BO105S

Difficulty date
May 14, 2003
Submitted
June 16, 2003
Operation
General aviation
Aircraft
N294EH
Make and model
Bolkms BO105S
Aircraft serial
S675
Aircraft time
8,445 hours
Part
Head
Part number
10531714
Part serial
122
Condition
Cracked
Location
Tail Rotor
Part time
13,186 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

TAILROTOR ASSY HAS CRACKED INNER SLEEVE BUSHING, CONTROL LEVER CLOSE TOLERANCE BOLT WORN. ACTION TAKEN: C/W PRELIMINARY INSPECTION AND FOUND INNER SLEEVE BUSHING CRACKED. DISSASSEMBLED, REMOVED PAINT, PRIMER AND VISUALLY INSPECTED ALL PARTS. INSTALLED NEW RING, NEW BUSHINGS IN BLADE GRIPS AND INNER SLEEVE BUSHINGS. MACHINE AND NDT INNER SLEEVE BUSHINGS. SEE NDT TEST. INSTALLED NEW CLOSE TOLERANCE BOLT AND BUSHING INCONTROL LEVERS, NEW GRIP SEALS, C/W 1200 HR / 2400 HR 6 YR INSPECTION ON TAILROTOR. COMPLIED WITH 300 HR/ 2400 HR BLADE INSPECTION. REASSEMBLED TAILROTOR WITH NEW WASHERS, NUTS. STATIC BALANCED. INSPECTION IAW MM CHAP 33, 34, 101 TABLE 101-10.1 &107 TT 13186.1 TSI -0-.