Service difficulty report · Switch · Boeing 737890

Difficulty date
August 28, 2021
Submitted
August 31, 2021
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
40,474 hours, 11,929 cycles
Engine
Cfmint CFM567B27
Part
Switch
Part number
254A115013
Part serial
3182
Condition
Faulty
Location
Thrust Reverser
Part time
13,933 hours, 3,974 cycles
Stage of operation
TX
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

#1 REVERSER LIGHT ILLUMINATED ON OVERHEAD PANEL AFTER START. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 75-32 TASK 812. NO FAULTS FOUND. REMOVED AND INSTALLED NEW #1 SWITCH PACK ASSEMBLY PER B737-800 MM 76-11-07/401, OPS NORMAL. GROUND VERIFICATION SUCCESSFUL. OPENED, COLLARD, RESET 11 C/B'S PLACARD REMOVED. THIS CLEARS MEL78-1B. REVERSED MX CONFIG #1, SEAMC DAVE NOTIFIED.