SDR DXTA2026032307304

Service difficulty report · Ahrs · Cessna 680A

Difficulty date: March 17, 2026
Submitted: March 23, 2026
Operation: Air carrier
Aircraft: N649QS
Make and model: Cessna 680A
Aircraft serial: 680A0195
Aircraft time: 7,456 hours, 4,883 cycles
System (JASC): 3425 · Integrated Flight System
Part: Ahrs
Condition: Faulted
Location: Nr 2
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 2 AHRS FAIL. DURING CRUISE, RIGHT SIDE PFD HAD A MOMENTARY RED X AND THEN POPULATED NORMALLY AGAIN. SHORTLY AFTER BOTH ON ATT/HDG1 AMBER PFD CASS MESSAGES DISPLAYED, ALONG WITH WHITE ROL/PIT MESSAGES. AUTOPILOT AND YAW DAMP KICKED OFF AND DIDNT REENGAGE. RESET AHRS. OPS CHECK GOOD. IAW AMM 34-20-00

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