SPEED TRIM FAIL • Flight Controls

SYS

ConditionCondition

SPEED TRIM FAIL — speed trim system inop (QRH 9.22).SPEED TRIM FAIL — speed trim system inoperative (QRH 9.22).

ObjectifObjective

≠ Mach Trim 9.20 ; ≠ runaway 9.4. Speed Trim = stabilité basse vitesse / haute poussée.≠ Mach Trim 9.20; ≠ runaway 9.4. Speed Trim = low-speed / high-thrust stability.

In FLT

Idée systèmeSystem idea

Speed Trim agit à faible vitesse / haute poussée pour améliorer la stabilité.Speed Trim acts at low speed / high thrust to improve stability.
FAIL ≠ mouvement non commandé type runaway.FAIL ≠ uncommanded movement like a runaway.
Trois trim auto distincts : Speed / Mach / A/P stab — plus main electric + wheel.Three distinct auto trims: Speed / Mach / A/P stab — plus main electric + wheel.

SPEED TRIM FAIL MACH TRIM FAIL

QRH 9.22 → UrgenceQRH 9.22 → Emergency

Enseignement Normal — pas les étapes QRH. Labels cockpit en anglais. Flotte AILO B73C NG · C-FTUW / C-FTUY / C-FTUZ. QRH officiel AILO-0902 fait foi.Normal teaching — not QRH steps. Cockpit labels in English. AILO B73C NG fleet · C-FTUW / C-FTUY / C-FTUZ. Official QRH AILO-0902 prevails.