Airworthiness directives › 2026-22-06
AD 2026-22-06 Airworthiness Directives; Diamond Aircraft Industries Inc. Airplanes
Makes named: diamond. Models named: DA 40, DA 40 F, DA 40 NG. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Diamond Aircraft Industries Inc. (DAI) Model DA 40, DA 40 F, and DA 40 NG airplanes, certificated in any category.
Compliance
For the purpose of this AD, the Diamond Aircraft work instruction is defined as Diamond Aircraft Work Instruction WI-MSB 40-103/WI-MSB F4-042/WI-MSB D4-114/WI-MSB 40NG-084 REV. 2, dated June 5, 2025 (issued as one document), published with Diamond Aircraft Mandatory Service Bulletin MSB 40-103/MSB F4-042/MSB D4-114/MSB 40NG-084 REV. 2, dated June 5, 2025 (issued as one document).
Required actions
The following presents the AFM and temporary revisions that apply to this AD and each individual model. (1) For Model DA 40 airplanes: Diamond Aircraft DA 40 AFM Doc. No. 6.01.01-E Temporary Revision TR-MAM-40-1203, Door Latching and Locking, dated December 16, 2024. (2) For Model DA 40 F airplanes: Diamond Aircraft DA 40 F AFM Doc. No. 6.01.02-E Temporary Revision TR-MAM-40-1203, Door Latching and Locking, dated December 16, 2024. (3) For Model DA 40 NG airplanes: Diamond Aircraft DA 40 NG AFM Doc. No. 6.01.15-E Temporary Revision TR-MAM-40-1203/a, Door Latching and Locking, dated February 18, 2025.
Unsafe condition
This AD was prompted by several reports of passenger door separation during flight. The FAA is issuing this AD to address this unsafe condition. The unsafe condition, if not addressed, could result in damage to the airplane structure and lead to loss of control of the airplane and injury to persons on the ground.
Affected ADs
None.
Read the original on the Federal Register →
You just looked this one up by hand
TrackAD holds all 12,282 of them and matches them against the aircraft you actually look after — airframe, engine, propeller and appliances in one pass — then works out what falls due and when.
- Bring your existing list in from a spreadsheet Paste the rows straight out of Excel. Headers like C/W Date and N/A are read for you.
- A copy that works when this does not One file. No internet, no login, no this software running. For the morning something has to be produced and the computer is not cooperating.
- $5 a month, or $50 a year Up to 50 aircraft on either.
Look round a real shop first Start free
The demonstration shop is eleven real aircraft with a year of work behind them. No account needed.
The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1