Service difficulty report · Trim System · Beech 1900C

Difficulty date
January 6, 2026
Submitted
January 23, 2026
Operation
Air carrier
Aircraft
N31704
Make and model
Beech 1900C
Aircraft serial
UB12
Aircraft time
32,893 hours, 39,102 cycles
Engine
Garrtt TPE331*
Propeller
Dowty R4086123F17
Part
Trim System
Condition
Out Of Alignment
Location
Zone 300
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING CLIMB, THE FLIGHT CREW NOTED THAT THE AIRCRAFT ROLLED TO THE LEFT AND REQUIRED FULL INPUT TO LEVEL OFF THE WINGS. THE CREW CALLED IT IN, AND AIR RETURNED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT THE SYSTEM, CHECKED ALL FLIGHT CONTROL CABLES FOR WEAR AND PROPER TENSION AND FOUND THE ELEVATOR TRIM SLIGHTLY OUT OF THE ZERO-DEGREE SETTING. THEY THEN ADJUSTED THE TRIM PER THE MANUAL REQUIREMENTS, REPLACED THE AILERON DUE TO A PREVIOUS UNRELATED SQUAWK FOR ASSURANCE THAT IT WOULD NOT BE AN ISSUE TO OVERCOME, AND THE AIRCRAFT WAS CHECK FLOWN SUCCESSFULLY. NO REPEAT DISCREPANCIES HAVE BEEN NOTED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

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