SDR ERAA074617

Service difficulty report · Head · Bolkms BO105S

Difficulty date
June 13, 2001
Submitted
July 23, 2001
Operation
General aviation
Aircraft
N131EH
Make and model
Bolkms BO105S
Aircraft serial
559
Aircraft time
12,765 hours
Part
Head
Part number
10531714
Part serial
327
Condition
Binding
Location
Tail Rotor
Part time
11,983 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

T/R ASSY IS BINDING. REPAIRED, PARTIAL DISASSEMBLY, VISUALLY INSPECTED. FOUND NO CAUSE FOR BINDING, INST'D NEW GRIP BUSHINGS AND SEALS. CHECKED FRICTION FORCES 10N AND 17N (MAX 25N) REASSEMBLED T/R ASSY AND MARVEL BALANCED ALL WORK IAW BO105 MM 32, MARVEL MANUAL REM 301.