Service difficulty report · Anti-Skid Sys · Boeing 737823

Difficulty date
April 5, 2025
Submitted
April 8, 2025
Operation
Air carrier
Aircraft
N976AN
Make and model
Boeing 737823
Aircraft serial
30099
Aircraft time
67,766 hours, 28,553 cycles
Part
Anti-Skid Sys
Part number
142219
Part serial
31248300439
Condition
Failed
Location
Zone 700
Part time
3,483 hours, 1,443 cycles
Stage of operation
LD
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

AIRCRAFT WAS GROUNDED: APPROXIMATELY 3 SECONDS AFTER LANDING AMBER AUTO BRAKE DISARM AND ANTI-SKID INOPERATIVE LIGHTS ILLUMINATED. SPEED BRAKES DID DEPLOY NORMALLY. NO TIRE DAMAGE NOTED. REMOVED AND REPLACED ANTI-SKID AUTO BRAKE CONTROL UNIT (AACU)-ANTI-SKID AUTO-BRAKE CONTROL UNIT. OPERTIONAL CHECK GOOD. PER AMM 32-42-21.