Service bulletin

SB 42-15 / 08

Subject:

IKARUS C42: Rudder bellcrank.

Affected:

All IKARUS C42 up to and including 9701-6022, January 1997.

Reason:

During the inspection of a C42, a crack was discovered in one of the welded joints

on the topside of the rudder bellcrank.

Action:

Check the welded joints on the rudder bellcrank for cracks according to the

instructions given below.

Substitution of manual page: Appendix 100 hrs inspection or annual inspection.

Compliance:

During each 100 hr inspection, but at least once a year.

Mass and balance:

Not affected

Accomplishment instructions:

If cracks are detected, the affected part must be replaced before the next flight.

The work may be carried out be a qualified person.

Should the above-mentioned defect occur, the airworthiness of the aircraft is so

badly affected that it may only be operated once the appropriate action has been

properly undertaken.