Service Bulletin

SB 42-04 / 10-01

Subject:

Fuel hose between fuel tank and fuel filter.

Affected:

All aircraft with 50 litre, 75 litre or 100 litre tank systems comprising one or more 25

litre tank cells

Reason:

Unsuitable hose sleeving material offering insufficient support could result in fuel

hose crimping if the curvature is too tight. This could detrimentally affect fuel flow to

the engine.

Action:

- Should crimping or bending occur, re-route the hose to prevent re-occurrence

- Replace fuel hose if necessary

Compliance:

- Check before the next flight

Mass and balance:

No alteration

Accomplishment:

Action has to be accomplished by a qualified person

Warning:

Do not undertake this action near an open fire or a spark source. Smoking

prohibited.