Dowty advice no. D.E.1; inspection cables nose undercarriage retraction d.d. 26-9-1958 Dowty advice no. F.O.2; inspection crank nose undercarriage d.d. 6-11-1958 Dowty advice no. F.O.3; lubrication lower baering main undercarriage d.d. 12-1-1959 Dowty advice no. F.O.4; inspection jacking studs d.d. 18-2-1959 Dowty advice no. F.O.5; conversion drum switch d.d. 26-2-1959 Dowty advice no. F.O.6; inspection for fracture locking stud main undercarriage d.d. 24-8-1959 Dowty advice no. F.O.7; conversion push button switch, undercarriage selector d.d. 23-10-1959 Dowty advice no. F.O.8; inspection for scores main fitting main undercarriage d.d. 26-10-1959 Dowty advice no. F.O.9; inspection main components nose undercarriage d.d. 16-1-1960 Dowty advice no. Fo.10; nose undercarriage shockabsorber replacement d.d. 26-1-1960 Dowty advice no. Fo.11; preventing fretting corrosion nose undercarriage d.d. 12-3-1960