Service difficulty report · Control Unit · Boeing 737*

Difficulty date
December 29, 2007
Submitted
January 3, 2008
Operation
Air carrier
Aircraft
N908AM
Make and model
Boeing 737*
Aircraft serial
30038
Aircraft time
9,777 hours, 5,482 cycles
Engine
Cfmint CFM567B22
Part
Control Unit
Part number
429352
Part serial
1831
Condition
Damaged
Location
Speed Brakes
Part time
9,777 hours, 5,482 cycles
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

AIRCRAFT REJECTED TAKEOFF DUE TO DURING TAKEOFF RUN, THE SPEED BRAKE DO NOT ARM LIGHT TURNED ON. MAINTENANCE PERSONNEL REPLACED THE S651 SPEED BRAKE, TAKEOFF WARNING SWITCH IAW MM 31-51-03 AND THE ANTI SKID/AUTO BRAKE CONTROL UNIT IAW MM 32-42-21, TESTED CORRECT IAW MM 32-42-00. ADDITIONALLY, FIM PROCEDURE 27-62 TASK 802 WAS PERFORMED, TESTED CORRECT. THE HIGH ENERGY STOP INSPECTION WAS NOT NECESSARY IAW MM 05-51-07, DUE TO THE AIRCRAFT STOPPED AT 90 KNOTS AND 56500 KG.