| Remarks |
Applicable to Lockheed L1011 aircraft fitted with RB211-22B-02, -524-02, -524B-02, -524B3-02 and -524B4-02 engine variants and Boeing 747 aircraft fitted with RB211-524B2-19, -524C-19 and -524B2-39 engine variants. Compliance required as detailed in Service Bullettin.
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