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A heated leading edge component for an aircraft and a method of manufacture thereof. The leading edge component includes an outer skin, a supporting rib for the outer skin, and a cavity located substantially in-between the outer skin and the rib for receiving a heater. The rib is attached to the out

A heated leading edge component for an aircraft and a method of manufacture thereof. The leading edge component includes an outer skin, a supporting rib for the outer skin, and a cavity located substantially in-between the outer skin and the rib for receiving a heater. The rib is attached to the outer skin on either side of the cavity.

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1. A heated leading edge component for an aircraft, the component comprising: an outer skin; a supporting rib for the outer skin; a cavity located substantially in-between the outer skin and the rib, wherein the rib comprises a first wall and a second wall forming the cavity, wherein each wall is at

1. A heated leading edge component for an aircraft, the component comprising: an outer skin; a supporting rib for the outer skin; a cavity located substantially in-between the outer skin and the rib, wherein the rib comprises a first wall and a second wall forming the cavity, wherein each wall is attached at one end to the outer skin on either side of the cavity; and a heat source received within the cavity. 2. The heated leading edge component of claim 1, wherein the cavity is elongate and runs along the rib. 3. The heated leading edge component of claim 1, wherein the cavity is substantially triangular, substantially semi-circular or substantially square in cross-section. 4. The heated leading edge component of claim 1, wherein each wall comprises a flange for attachment to the outer skin on either side of the cavity. 5. The heated leading edge component of claim 4, wherein at least one of the flanges has the heat source attached thereto. 6. The heated leading edge component of claim 1, wherein the heat source is removably received within the cavity. 7. The heated leading edge component of claim 6, wherein the heat source is flexible for conforming with an inner surface of the cavity. 8. The heated leading edge component of claim 7, wherein the heat source comprises a heater mat attached to an elongate flexible portion. 9. A method of maintaining the leading edge component of claim 6, the method comprising: removing the heat source from the cavity; and inserting a replacement heat source in an opening at one end of the cavity and moving the heat source along a length of the cavity until it is in place. 10. The heated leading edge component of claim 1, wherein the heat source is configured to be pulled and/or pushed along the cavity during removal and/or replacement. 11. The heated leading edge component of claim 1, wherein the walls of the rib straddle the heat source. 12. The heated leading edge component of claim 11, wherein the walls of the rib have a substantially V-shaped, U-shaped, square-shaped or oblong-shaped configuration in cross section. 13. An aircraft comprising the heated leading edge component of claim 1. 14. A method of manufacturing a leading edge component for an aircraft, the method comprising: attaching a supporting rib to an outer skin of the component to form a cavity located substantially in-between the outer skin and the rib for receiving a heat source, wherein the rib comprises a first wall and a second wall for forming the cavity, and wherein attaching the supporting rib comprises attaching one end of each wall of the rib to the outer skin on either side of the cavity; and installing the heat source in the cavity. 15. The method of claim 14, wherein the cavity is elongate and runs along a length of the rib, and wherein the method includes pulling and/or pushing the heat source along the cavity. 16. The method of claim 14, wherein the walls of the rib straddle the heat source. 17. The method of claim 16, wherein the walls of the rib have a substantially V-shaped, U-shaped, square-shaped or oblong-shaped configuration in cross section. 18. A heated leading edge component for an aircraft, the component comprising: an outer skin; a supporting rib for the outer skin; a cavity located substantially in-between the outer skin and the rib, wherein the rib comprises a first wall and a second wall forming the cavity, wherein each wall is attached at one end to the outer skin on either side of the cavity; and a heater received within the cavity wherein each wall comprises a flange for attachment to the outer skin on either side of the cavity and at least one of the flanges has the heater attached thereto. 19. A heated leading edge component for an aircraft, the component comprising: an outer skin; a supporting rib for the outer skin; a cavity located substantially in-between the outer skin and the rib, wherein the rib comprises a first wall and a second wall forming the cavity, wherein each wall is attached at one end to the outer skin on either side of the cavity; and a heater removably received within the cavity wherein the heater is flexible for conforming with an inner surface of the cavity and the heater comprises a heater mat attached to an elongate flexible portion. 20. A heated leading edge component for an aircraft, the component comprising: an outer skin; a supporting rib for the outer skin; a cavity located substantially in-between the outer skin and the rib, wherein the rib comprises a first wall and a second wall forming the cavity, wherein each wall is attached at one end to the outer skin on either side of the cavity; and a heater received within the cavity wherein the walls of the rib straddle the heater. 21. A method of maintaining a heated leading edge component in which the heated leading edge component includes an outer skin, a supporting rib for the outer skin, a cavity located substantially in-between the outer skin and the rib in which the rib comprises a first wall and a second wall forming the cavity wherein each wall is attached at one end to the outer skin on either side of the cavity, and a heater removably received within the cavity, the method comprising: removing the heater from the cavity; andinserting a replacement heater in an opening at one end of the cavity and moving the replacement heater along a length of the cavity until it is in place. 22. A method of manufacturing a leading edge component for an aircraft, the method comprising: attaching a supporting rib to an outer skin of the component to form a cavity located substantially in-between the outer skin and the rib for receiving a heater, wherein the rib comprises a first wall and a second wall for forming the cavity, wherein attaching the supporting rib comprises attaching one end of each wall of the rib to the outer skin on either side of the cavity, and wherein the walls of the rib straddle the heater; and installing a heater in the cavity.