Service difficulty report · Switch · Boeing 747446

Difficulty date
May 22, 2026
Submitted
May 26, 2026
Operation
Air carrier
Aircraft
N745CK
Make and model
Boeing 747446
Aircraft serial
26361
Aircraft time
103,628 hours, 15,415 cycles
Part
Switch
Part number
10607052
Condition
Faulted
Location
Zone 200
Stage of operation
CR
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

STAB TRIM 2, STAB TRIM 3, EMERGENCY DECLARED FOR STAB TRIM 2 & 3. REMOVED AND REPLACED CAPTAINS STAB MANUAL TRIM CTRL WHEEL SWITCH IAW AMM 27-41-11 AND WDM 27-41-11. OPS CHECKS GOOD. AUTOLAND UNIQUE GROUND TEST PASSED IAW AMM 22-10-00. THIS A/C REMAINS CAT III STATUS.