Service difficulty report · Warning Message · Boeing 7673CB

Difficulty date
January 27, 2026
Submitted
January 29, 2026
Operation
Air carrier
Aircraft
N684UA
Make and model
Boeing 7673CB
Aircraft serial
33466
Aircraft time
78,456 hours, 13,496 cycles
Part
Warning Message
Condition
False Activation
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

HYD GEN VAL STATUS MESSAGE FOUND C/B RT AC BUS SENSE P11-6 AND CB L AC BUSS SENSE P11-3 PULLED AND COLLARED. RESET CBS RAN HMG TEST REF AMM24-25-01-424-005. TEST PASSED AND NO ACTIVE STATUS MESSAGES.

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