The design approval holder should normally receive a request from an operator or an organisation responsible for the management of continuing airworthiness (hereinafter ‘the requester’) for FCMS lists and a DTI by 26 March 2022. The request should result in the design approval holder listing the FCMSs, performing a DTE and making the approved FCMS list and a DTI available to the requester.
Design approval holders are recommended to initiate DTE of STCs and other changes as soon as possible if it is considered likely that a request will be made.
When a request is received, the date of its receipt should be recorded, and a record kept of the subsequent communications with the requester, the agreements reached, and actions taken. An example of such records would be a copy of the contract to perform the DTE.
If no request for a DTI is made prior to 26 February 2023, the design approval holder may assume that their support is not required to develop a DTI because the aeroplane is not currently in operation according to Regulation (EU) No 965/2012 Annex IV (Part‑CAT).
In this case, it is not necessary for the design approval holder to develop an FCMS list or DT data until such a request is received; for example, when an aeroplane is incorporated into a fleet.
Note: It might also be possible that an operator or an organisation responsible for the management of continuing airworthiness has engaged the support of a third party to develop the DTI, but there is no obligation on the design approval holder to verify whether this is the case. If a design approval holder is in a situation where the need to comply with point 26.334 of Part‑26 is not clear, this should be highlighted to EASA in the frame of the discussion of the compliance plan required in point 26.331 of Part‑26 in order to find a way forward.
[Issue: 26/3]
[Issue: 26/5]
Guidance for design approval holders on handling requests for fuel consumption monitoring system lists and damage tolerance evaluations for older STCs, including record-keeping and response timelines.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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