Service difficulty report · Actuator · Boeing 737724

Difficulty date
October 16, 2020
Submitted
October 16, 2020
Operation
Air carrier
Aircraft
N14731
Make and model
Boeing 737724
Aircraft serial
28799
Aircraft time
68,278 hours, 23,974 cycles
Part
Actuator
Part number
158300101
Part serial
9624
Condition
Failed
Location
Ailerons
Part time
68,245 hours, 23,958 cycles
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

CMD A AUTOPILOT WILL NOT ENGAGE. NEITHER WILL CWS A. AUTOPILOT B WILL ENGA GE BUT DISCONNECTS A LOCKING UNLOCK FOR UPDATE REPLACED FFC B AND A/P A AILERON ACTUATOR. FFC B, A/P AILERON ACTUATOR, A/P A AND A/P B OPS CHECK GOOD. REF AMM 22-11-33 AND 22-11-25 ADD EMP:303101 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1155827 SN OFF 1037 TT # 1061908 SN OFF 9624 COMPUTER, FLIGH OFF 29-2211-9-0001 1037 ON 29-2211-9-0001 0217 ACTUATOR, AILER OFF 29-2711-9-0020 9624 ON 29-2711-9-0020 2180