| Remarks |
Applicable to RB211-22B, 524B-02, 524B3-02, 524B4-02, 524B2-19, 524C2-19, 524D4-19, 524D4-39 and 535C engines. Compliance required as detailed in Service Bulletin.
NOTE: Revision 1 to the Alert Service Bulletin made significant changes to disc assembly applicability and inspection compliance times.
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