Service difficulty report · Reference Unit · Emb ERJ170100SE

Difficulty date
December 26, 2025
Submitted
December 29, 2025
Operation
Air carrier
Aircraft
N750BD
Make and model
Emb ERJ170100SE
Aircraft serial
17000075
Aircraft time
49,172 hours, 31,589 cycles
Part
Reference Unit
Part number
HG2100AB02
Condition
Failed
Location
Zone 200
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LOST MULTIPLE NAV SYSTEMS AT 11,000FT WE LOST AUTO THROTTLE AND SHORTLY AFTER, AUTOPILOT FAILED. A FEW MINUTES LATER IRS 2 FAILED ALONG WITH FO ATTITUDE INDICATOR. APPR 1 AND APPR 2 NOT AVAILABLE MESSAGES APPEARED SUBSEQUENTLY ALONG WITH STICK SHAKER ANTICIPATED. ABOUT 10 MINUTES LATER WE GOT EVERYTHING BACK EXCEPT APPR 2. EMERGENCY DECLARED. RAR IRU 2 IAW AMM 34-26-01. OPS CHECK GOOD, NO FAULT MSGS

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