Service Instruction No. 1533E
Approved Rotary Vane Fuel Pumps
Supersedes Service Instruction No. 1533 D
April 7, 2022
MODELS AFFECTED
All Lycoming reciprocating aircraft engines using rotary-style fuel pumps
TIME OF COMPLIANCE
As Required for Replacement
REASON FOR REVISION
Added 62E28152 fuel pump to Table 1
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