47-10-20 LOCKHEED: (Was Mandatory Note 22 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2075.
Compliance required prior to June 1, 1947.
Replace all existing alcohol tanks with new type heavier tanks, LAC P/N 296424. Replace existing tank cradles with new cradles LAC P/N 296465.
(LAC Service Bulletin 49/SB-110, revised October 2, 1946, or subsequent, covers this same subject.)