# Diamond Aircraft Temporary Revision TR-MAM-42-1333 ## Copies (4) Copies the FAA filed in AD dockets on regulations.gov, newest revision first. A newer revision may exist. - No revision named ("DAI DA 42 AFM TR_MAM_42_1333 7_01_05_E"), 17 pages: PDF https://openairdocs.org/files/sha256/1e/ad/1ead85d7838051fca862087c9c01f1b1153a038bf2652516cff7f674596f7d40; text https://openairdocs.org/service-documents/diamond/tr-tr-mam-42-1333/file/1ead85d78380.md. Rights: © Diamond Aircraft. Filed by the FAA in regulations.gov docket FAA-2025-2263; AD 2025-24-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. - No revision named ("DAI DA 42 AFM TR-MAM-42-1333 with OAM 42-102"), 17 pages: PDF https://openairdocs.org/files/sha256/8e/70/8e704ddde638c47a3c7102eb0458611f9cb362f37e8bb0301710325147e73f0d; text https://openairdocs.org/service-documents/diamond/tr-tr-mam-42-1333/file/8e704ddde638.md. Rights: © Diamond Aircraft. Filed by the FAA in regulations.gov docket FAA-2025-2263; AD 2025-24-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. - No revision named ("DAI DA 42 NG AFM TR-MAM-42-1333 7.01.15-E"), 27 pages: PDF https://openairdocs.org/files/sha256/90/bc/90bcac6751e3a96f2d3d14684f77bf0309e119fe3a6863f5985b62f864fddbc2; text https://openairdocs.org/service-documents/diamond/tr-tr-mam-42-1333/file/90bcac6751e3.md. Rights: © Diamond Aircraft. Filed by the FAA in regulations.gov docket FAA-2025-2263; AD 2025-24-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. - No revision named ("DAI DA 42 NG AFM TR-MAM-42-1333 7.01.16-E"), 17 pages: PDF https://openairdocs.org/files/sha256/b9/62/b962865a903144aa56a94abe7c5413fbe76497a75d0adac51cba363f90b5cb55; text https://openairdocs.org/service-documents/diamond/tr-tr-mam-42-1333/file/b962865a9031.md. Rights: © Diamond Aircraft. Filed by the FAA in regulations.gov docket FAA-2025-2263; AD 2025-24-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. ## Details - Manufacturer: [Diamond Aircraft](https://openairdocs.org/service-documents/diamond.md) - Type: Other document (Temporary Revision) - Number: TR-MAM-42-1333 - Page: https://openairdocs.org/service-documents/diamond/tr-tr-mam-42-1333 ## ADs that cite it (1) (OpenAirDocs) Newest first, with the revision each names, as OpenAirDocs read it from the AD's text. - [AD 2025-24-07](https://openairdocs.org/ad/2025-24-07.md), effective Feb 12, 2026: No revision named Also cited in [1 proposed AD](https://openairdocs.org/service-documents/diamond/tr-tr-mam-42-1333/proposed.md). ## Text (17 pages) No revision named, the newest copy. Rights: © Diamond Aircraft. Filed by the FAA in regulations.gov docket FAA-2025-2263; AD 2025-24-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. Each page's text from the PDF; open the PDF at a page with #page=N. ### Page 1 DA 42 AFM Temporary Revision Door Latching and Locking TEMPORARY REVISION TR-MÄM-42-1333 Door Latching and Locking This Temporary Revision TR-MÄM-42-1333 is approved in conjunction with the Mandatory Design Change Advisory MÄM 42-1333 and is valid in conjunction with the latest revision of the DA 42 Airplane Flight Manual until this Temporary Revision has been incorporated into the Airplane Flight Manual. The limitations and information contained herein either supplement or, in the case of conflict, override those in the Airplane Flight Manual or its previous Temporary Revisions. The technical information contained in this document has been approved under the authority of DOA ref. EASA.21J.052. Doc. No. Chapter Affected Page 7.01.05-E 2 2-13a, 2-31a, 2-33a 3 3-3a, 3-13a, 3-60a, 3-60b, 3-67a 4A 4A-11a, 4A-11b, 4A-20a,4A-22a, 4A-29a 4B 4B-28a 7 7-24a, 7-25a Instruction: ) Print this document on yellow paper (single-sided). ) Insert this cover page as the first page of the AFM. ) Insert the other pages of this TR in front of the corresponding AFM pages. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Cover Page ### Page 2 DA 42 AFM Temporary Revision Door Latching and Locking 2. OPERATING LIMITATIONS 2.6 WARNING, CAUTION AND ADVISORY ALERTS 2.6.1 WARNING, CAUTION AND ADVISORY ALERTS ON THE G1000 The following item is amended to read: Warning Alerts (red) Meaning / Cause DOOR OPEN Canopy and/or passenger door and/or baggage door are/is not % closed and latched. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 2-13a ### Page 3 DA 42 AFM Temporary Revision Door Latching and Locking 2.15 LIMITATION PLACARDS The following placard is added: On the Passenger Door Frame: Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 2-31a ### Page 4 DA 42 AFM Temporary Revision Door Latching and Locking 2.16.4 DOOR LOCKING DEVICE The following sentence is amended to read: % The canopy and passenger door must not be locked by the key lock during operation of the airplane. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 2-33a ### Page 5 DA 42 AFM Temporary Revision Door Latching and Locking 3. EMERGENCY PROCEDURES The following headline is amended to read: 3.9.2 UNLATCHED DOORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60% Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 3-3a ### Page 6 DA 42 AFM Temporary Revision Door Latching and Locking 3.2 AIRPLANE-RELATED G1000 WARNINGS 3.2.10 DOOR OPEN The following items are amended to read: DOOR OPEN Canopy and/or passenger door and/or baggage door% are/is not closed and latched. Proceed according to: % 3.9.2 - UNLATCHED DOORS Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 3-13a ### Page 7 DA 42 AFM Temporary Revision Door Latching and Locking 3.9 OTHER EMERGENCIES The following procedure is amended to read: % 3.9.2 UNLATCHED DOORS % WARNING % Do not try to latch the passenger door in flight. The safety % hook may disengage and the passenger door opens. Usually % this results in a separation of the passenger door from the % airplane. % NOTE % If the passenger door has been lost the airplane can be safely % flown to the next suitable airfield. 1. Airspeed . . . . . . . . . . . . . . . . . . . . . . . . . . . . reduce immediately 2. Canopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . check visually if closed % and latched 3. Front baggage doors . . . . . . . . . . . . . . . . . . . check visually if closed 4. Passenger door. . . . . . . . . . . . . . . . . . . . . . . check visually if closed % and latched % Canopy or Passenger Door Unlatched 5. Airspeed . . . . . . . . . . . . . . . . . . . . . . . . . . . . below 140 KIAS 6. Land at next suitable airfield. END OF CHECKLIST Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 3-60a ### Page 8 DA 42 AFM Temporary Revision Door Latching and Locking % Rear Passenger Door Unlocked 5. Airspeed . . . . . . . . . . . . . . . . . . . . . . . . . . . . below 140 KIAS% % 6. Land at next suitable airfield. % WARNING % Do not try to lock the rear passenger door in flight. The safety % latch may disengage and the door opens. Usually this results % in a separation of the door from the airplane. % NOTE % If door has been lost the airplane can be safely flown to the % next suitable airfield. % END OF CHECKLIST Front Baggage Door Open % WARNING % Separation of a baggage door may damage the propeller and % may lead to an engine failure. 5. Airspeed . . . . . . . . . . . . . . . . . . . . . . . . . . . . reduce, so that door is in a stable position 6. Land at the next suitable airfield. % WARNING % Separation of the baggage door may damage the propeller % and may lead to an engine failure. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 3-60b ### Page 9 DA 42 AFM Temporary Revision Door Latching and Locking 3.9.8 EMERGENCY EXIT The second sentence is amended to read: In case of a roll over of the airplane on ground, the passenger door can be used as exit. % For this purpose the front hinge of the passenger door can be disconnected. The function is displayed on a placard beside the hinge. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 3-67a ### Page 10 DA 42 AFM Temporary Revision Door Latching and Locking 4A.6 CHECKLISTS FOR NORMAL OPERATING PROCEDURES 4A.6.1 PRE-FLIGHT INSPECTION I. Cabin check Check procedure: Steps n) thru p) are amended to read, steps q) thru w) are added: n) Flight controls . . . . . . . . . . . . . . . . . . . . . . . . . check free and correct movement% % up to full deflection o) Trims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . check free and correct movement% % up to full deflection % DOOR OPEN warning check: % p) All doors (baggage doors, passenger door, canopy) . . . close and latch% % q) DOOR OPEN warning . . . . . . . . . . . . . . . . . . check extinguished% r) Passenger door . . . . . . . . . . . . . . . . . . . . . . . unlatch% s) DOOR OPEN warning . . . . . . . . . . . . . . . . . . check active% t) Pull on outer passenger door handle . . . . . . . the safety hook must hold the % % passenger door in the closed % position u) Passenger door . . . . . . . . . . . . . . . . . . . . . . . check front and rear locking% % bolt (firmly mounted and % undamaged) CONTINUED% Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 4A-11a ### Page 11 DA 42 AFM Temporary Revision Door Latching and Locking v) Passenger door . . . . . . . . . . . . . . . . . . . . . . . check push-button% % Push-button returns freely to the % fully extended position after % pressing and releasing w) ELECT. MASTER . . . . . . . . . . . . . . . . . . . . . . OFF% END OF CHECKLIST Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 4A-11b ### Page 12 DA 42 AFM Temporary Revision Door Latching and Locking II. Walk-around check, visual inspection 10. Front Fuselage and Nose Landing Gear: Step a) is amended to read: a) Left and right front baggage door . . . . . . . . . . visual inspection, closed and % latched Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 4A-20a ### Page 13 DA 42 AFM Temporary Revision Door Latching and Locking 4A.6.2 BEFORE STARTING ENGINE The note, step 3 and the following caution are amended to read: NOTE Ensure all the passengers have been fully briefed on the use of the seat belts, doors and emergency exits and the ban on smoking. % Advise the passengers that after closing the passenger door, % latching requires a separate action. Instruct the passengers % not to latch an unlatched passenger door in flight. Instead % inform the pilot. 3. Passenger door. . . . . . . . . . . . . . . . . . . . . . . . closed and latched% CAUTION When operating the canopy, pilots/operators must ensure that there are no obstructions between the canopy and the mating frame, for example seat belts, clothing, etc. When % operating the canopy handle do NOT apply undue force. A slight downward pressure on the canopy may be required % to ease the canopy handle operation. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 4A-22a ### Page 14 DA 42 AFM Temporary Revision Door Latching and Locking 4A.6.6 BEFORE TAKE-OFF Step 5, the following caution, step 6 and step 8 are amended to read: 5. Passenger door. . . . . . . . . . . . . . . . . . . . . . . . check closed and latched% CAUTION When operating the canopy, pilots/operators must ensure that there are no obstructions between the canopy and the mating frame, for example seat belts, clothing, etc. When % operating the canopy handle do NOT apply undue force. A slight downward pressure on the canopy may be required % to ease the canopy handle operation. 6. Canopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . closed and latched% 8. DOOR OPEN warning. . . . . . . . . . . . . . . . . . . check no indication% Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 4A-29a ### Page 15 DA 42 AFM Temporary Revision Door Latching and Locking 4B.8 STARTING ENGINE WITH EXTERNAL POWER 4B.8.1 BEFORE STARTING ENGINE Step 3 is amended to read: 3. Passenger door. . . . . . . . . . . . . . . . . . . . . . . closed and latched% Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 4B-28a ### Page 16 DA 42 AFM Temporary Revision Door Latching and Locking 7. DESCRIPTION OF THE AIRPLANE AND ITS SYSTEMS 7.8 CANOPY, PASSENGER DOOR AND CABIN INTERIOR The following paragraph is amended to read: Canopy % The canopy is closed by pulling down on the canopy frame. The canopy is latched with % the canopy handle on the left hand side of the canopy frame. On latching, bolts engage % into mating holes in plastic blocks. % “Cooling gap” position: The bolts are able to engage in a second setting to leave a gap % under the canopy. % The canopy can be locked by a key lock on the left side near the outside canopy handle % by turning the key clockwise. The closed and locked canopy can be unlatched from inside % by pulling the lever inside of the canopy handle. WARNING The airplane may be operated with the canopy in the “cooling % gap” position on the ground only. Before take-off the canopy % must be completely closed and latched. % Do not lock the canopy with the key before flight to assure emergency evacuation from outside. A window on the left and right hand side of the canopy can be opened for additional ventilation or as an emergency window. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 7-24a ### Page 17 DA 42 AFM Temporary Revision Door Latching and Locking The following warnings and paragraphs are amended to read: Passenger Door % The passenger door is closed in the same way, by pulling down on the passenger door % frame. The passenger door is latched with the passenger door handle. A gas pressure % damper prevents the passenger door from dropping; in strong winds the assembly must % be securely held. The passenger door is protected against unintentional opening by the % safety hook. % The passenger door can be locked by a key lock on the left side near the outside % passenger door handle by turning the key clockwise. The closed and locked passenger % door can be unlatched from inside by pulling the lever inside of the passenger door handle. WARNING % Do not lock the passenger door with the key before flight to assure emergency access from outside. Doc. No. 7.01.05-E TR-MÄM-42-1333 28-Nov-2024 Page 7-25a --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.