Service difficulty report · Speed Brake · Boeing 737924ER

Difficulty date
September 16, 2026
Submitted
September 23, 2026
Operation
Air carrier
Aircraft
N63820
Make and model
Boeing 737924ER
Aircraft serial
43534
Aircraft time
39,653 hours, 14,608 cycles
Engine
Cfmint CFM567B27
Part
Speed Brake
Condition
Faulted
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

SPEED BRAKES DO NOT ARM LIGHT INTERMITTENT. CREW C/W DDP PULLED AND COLLARD FLIGHT CONTROL AUTO SPEED BRAKE CB. DEFERRED, CREW REJECTED TAKE OFF DUE TO AUTO SPEED BRAKE LESS THEN 10 KTS, DM, SEE FIM 27-62 TSK 802 FOR T/S ASSIST & FAULT ISOLATION. ADDED S/B LEVER ACTUATOR (M359), S/B MODULE (M980), AACU (M162) AND SWITCH (S1131, S918) IN CASE NEEDED. REMOVED COLLARS AND CLOSED BOTH C/B AT FO PANEL 6-2 (A-10 AND B-9). PERFORMED MULTIPLES OF INITIAL EVALUATION TEST STEP 2 REF FIM 27-62 TASK 802. OPS CHKD NORMAL. CAN'T DUPLICATED THE FAULT ON GROUND. MEL CLEARED. PLACARDS REMOVED.