ADVOKS GLOBAL · KENYA
The Civil Aviation (Approved Maintenance Organization) Regulations, 2025
33. Maintenance Release
Edition: 2026-03-03 · In force
33. Maintenance Release
(1)A maintenance release shall be completed and signed to certify that the maintenance work performed have been completed satisfactorily and in accordance with approved data and the procedure described in the maintenance organization procedures manual.(2)An aircraft component, which has been maintained off the aircraft, requires the issue of a Maintenance Release for such maintenance and another maintenance release in regard to being installed properly on the aircraft.(3)A Maintenance Release shall be signed and contain the following—(a)basic details of the maintenance carried out including detailed reference of the approved data used;(b)the date such maintenance was completed;(c)the identity of the approved Maintenance Organization; and(d)the identity and authorization reference of the person or persons signing the release.(4)Maintenance Release is required—(a)before flight at the completion of any package of maintenance scheduled by the approved aircraft maintenance program on the aircraft, whether such maintenance took place as base or line maintenance;(b)before flight at the completion of any defect rectification, while the aircraft operates between scheduled maintenance; and(c)at the completion of any maintenance on an aircraft component when off the aircraft.(5)A Maintenance Release shall contain the following statement: "The undersigned certifies that the work specified was carried out in accordance with current Regulations and in respect of that work, the aircraft or aircraft component is considered ready for release to service."(6)A Maintenance Release shall reference the data specified in the manufacturer's or operator's instructions or the aircraft maintenance program, which itself may cross-reference to a manufacturer's instruction in a maintenance manual, service bulletin, or other maintenance-related document.(7)Where instructions include a requirement to ensure that a dimension or test figure is within a specific tolerance as opposed to a general tolerance, the dimension or test figure shall be recorded unless the instruction permits the use of "GO" or "NO GO" gauges and, it shall not be sufficient to state that the dimension or the test figure is within tolerance.(8)When extensive maintenance has been carried out, it is acceptable for the Maintenance release to summarize the maintenance as long as there is a cross-reference to the work-pack containing full details of maintenance carried out.(9)The date such maintenance was carried out shall include when the maintenance took place relative to any life or overhaul limitation in terms of date, flying hours, cycles, landings or some other relevant value as appropriate.(10)Dimensional information shall be retained in the work-pack record.(11)The person issuing the Maintenance Release to Service shall use a full signature and a certification stamp where applicable.(12)Where a Maintenance release is issued in electronic form, it shall be acceptable and shall satisfy the criteria set out by the Authority. The electronic maintenance release form should be accessible in "edit mode" only at the location where the maintenance release is being issued. Access to the document from any other location should be "read only".