Bulletins
BRISTELL B23
Bulletin No. | Bulletin Classification | Date of Issue | Bulletin title | Affected aircraft | Brief description | |
| ADxC-73-SB-021, Issue A4 | Service bulletin B23 Approved Publications (AFM, AMM, SB) | 23.7.2024 | B23 Approved Publications (AFM, AMM, SB) | All serial numbers of Bristell B23 TCDS EASA.A.642 | B23 Approved Publications (AFM, AMM, SB) | |
| ADxC-73-SB-044, Issue A | Service bulletin for convenience or option | 14.05.2024 | Bristell B23 - Exhaust retrofit | Applicable to all serial numbers of Bristell B23 and B23-912-G500 - TCDS EASA.A.642 | Optional retrofit of exhaust system with higher diameter tubing (DC-110). , Optional retrofit of exhaust system and silencer with higher diameter tubing (DC-115) with corresponding changes to the DC-110 exhaust system and front fuselage. Subsequent furnishing of AFM and AMM supplements. Version without silencer (DC-110) and with silencer (DC-115) both described in this bulletin. | |
| ADxC-73-SB-037_B | Service bulletin | 24.11.2023/ | Electric system incl. drawings | All Bristell B23 aircraft | Correction of (potential) non-conformities and design rectifications |
BRISTELL B23 - 915
Bulletin No. | Bulletin Classification | Date of Issue | Bulletin title | Affected aircraft | Brief description | |
| ADxC-73-SB-037_B | Service bulletin | 24.11.2023 | Electric system incl. drawings | All Bristell B23 aircraft | Correction of (potential) non-conformities and design rectifications | |
| ADxC-73-SB-041_A | Service bulletin | 04.01.2024 | Trim Indication Placards | All Bristell B23 and B23-915 aircraft | Check the Elevator Trim Position Indicator placard if in accordance with the AFM. | |
| ADxC-73-SB-039_A | Service bulletin | 23.11.2023 | Elevator and tab deflections tolerance and gurney flap | All Bristell B23-915 aircraft | Update of documentation. |
BRISTELL Ultralight / Lightsport
Bulletin No. | Bulletin Classification | Date of Issue | Bulletin title | Affected aircraft | Brief description | |
| ALL-SB-0-0-0-0-0001-2025 | Mandatory Service Bulletin Safety Directive/Alert | 04.02.2025 | Rivets check inside of the frame | See the SB | Missing rivets were found in the internal fuselage structure. Visual inspection shall be done and missing rivets (if found) installed. | |
| ALL-SB-0-0-0-DE-0002-2024 The SB is applicable to GERMANY and other countries where the aircraft is operated under German registration. | Mandatory Service Bulletin | 19.07.2024 | Control surfaces deflection | All models listed in German Kennblatt 66253: | It was found that the deflections of the ailerons are not in the specified range. | |
| ALL-SA-5-0-0-ALL-0001-2024 | SAFETY DIRECTIVE/ALERT Závazný bulletin | 08.02.2024 1st Issue | ROTAX 912 IS Engine Attachment | All models equipped with Rotax 912 iS engine and the original one-piece engine mount. | Engine attachment inspection, screw replacement. |