SDR CALA2026012913430

Service difficulty report · Trim System · Boeing 7878

Difficulty date: January 27, 2026
Submitted: January 29, 2026
Operation: Air carrier
Aircraft: N30913
Make and model: Boeing 7878
Aircraft serial: 35879
Aircraft time: 44,902 hours, 5,422 cycles
System (JASC): 2741 · Stabilizer Position Indicating
Part: Trim System
Condition: Warning Message
Location: Zone 300
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

L2 STAB FAILURE AFTER TO STAB TRIM MSG WAS LATCHED, FIM 27-40-F1-11A-421A, FIM 27-40-F1-03A-421A. RUN 27 PRIMARY FLIGHT CONTROL STS TEST HORZ STAB. COULD NOT DUPLICATE FAULT. IF MSG DOSE NOT DISPLAY THERE WAS A INTERMMITTENT FAULT. TEST PASSED.

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