IRImplementing rule
CS-E 120 Identification
(a)The Engine identification must comply with 21.A.801(a) and (b), and 21.A.805.
(b)Major Engine modules that can be changed independently in service must be suitably identified so as to ensure traceability of parts and to enable proper control over the interchangeability of such modules with different Engine variants.
IR — CS-E · ED Decision 2003/9/RM · CS-E Easy Access Rules · EAR revision 7 Dec 2023