Select your product to confirm this information applies to you
(2023) Service Bulletin 23096 Rev A: GI 275 ADAHRS + AP Power Fault Message
PRODUCTS AFFECTED:
GI 275 ADAHRS + AP units connected to a Century IV, 41, or 2000 autopilot system installed using STC SA02658SE are affected.
CERTIFICATION AUTHORIZATION:
STC SA02658SE MDL Rev 22
COMPLIANCE:
Optional: Compliance with this service bulletin is optional and may be incorporated at the owner’s discretion.
DOCUMENTATION CONSIDERATIONS:
There are no recommended AFMS or Pilot’s Guide changes applicable to this bulletin. Applicable AFMS and ICA documents listed in Table 1, are required to be issued to the aircraft owner/operator before the aircraft is returned to service, if not already provided.
Table 1
| Document Title | Part Number | Revision |
| GI 275 Part 23 AML STC Maintenance Manual with Instructions for Continued Airworthiness | 190-02246-11 | 7 |
| GI 275 Part 23 AML STC AFMS | 190-02246-12 | 10 |
PURPOSE:
The GI 275 may show a power fault message. To prevent the GI 275 from sensing a power fault, a 1K Ohm series resistor is needed to increase impedance.
WARRANTY INFORMATION:
This modification is warranty reimbursable for installations completed before October 1, 2023, with a deadline of February 29, 2024.
NOTE
Installations completed after October 1, 2023 are not eligible for warranty reimbursement.