Service difficulty report · Control Unit · Boeing 7379

Difficulty date
September 13, 2025
Submitted
September 15, 2025
Operation
Air carrier
Aircraft
N17402
Make and model
Boeing 7379
Aircraft serial
67639
Aircraft time
1,250 hours, 427 cycles
Part
Control Unit
Condition
Faulted
Location
Anti-Skid Sys
Part time
1,246 hours, 425 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

ANTI-SKID INOPERATIVE PILOT STATES AUTO BRAKE LIGHT & ANTI-SKID LIGHT CAME ON DURING TAKEOFF ROLL, PILOT ALSO STATES THAT LIGHT STAYED ON DURING THE WHOLE FLIGHT UNTIL PARKING BRAKE WAS SET AUTO BRAKE LIGHT AND ANTI-SKID LIGHT STAYED ON DURING WHOLE FLIGHT. NORMAL LANDING WAS ACOMPLISHED. PERFORMED BITE CHECK AMM 32-42-00-740-801 FOUND THR SW, ADIRU L ADIRU R & BOX 4. PERFORMED TEST & NO FAULTS, REPEATED TEST 4 TIMES WITH NO FAULTS. SUSPECT CREW CONFIG OR BOX ISSUE. CREW DECLARED EMERGENCY INTO DEN. REMOVED AND REPLACED (AACU) AUTOBRAKE, ANTI-SKID CONTROL UNIT AMM 32-42-21 OPS CHECK OK

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