Modify the fuel system by installing flexible fuel lines between the engine driven pump and the carburettor and in the fuel pressure indicator line, in accordance with Rallye SB No. 56 Part 2 and 3.

Note 1Note 1

For those aircraft already modified in accordance with AD/MSR/7, further modification of the fuel pressure indicator line is not required.

Note 2Note 2

Do not use parts of the original copper fuel line as adapters since these are liable to fatigue failure.

ComplianceCompliance

Within 100 hours time in service after 30 March 1973 unless already accomplished.

Provisions

InstrumentInstrument identification s ApplicabilityApplicability s RequirementRequirement Note 1Note 1 Note 2Note 2 s ComplianceCompliance