Service difficulty report · Valve · Boeing 7377H4

Difficulty date
July 11, 2025
Submitted
July 14, 2025
Operation
Air carrier
Aircraft
N423WN
Make and model
Boeing 7377H4
Aircraft serial
29827
Aircraft time
76,570 hours, 45,722 cycles
Part
Valve
Condition
Faulty
Location
Zone 700
Stage of operation
TO
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

ANTI-SKID AND PARKING BRAKE LIGHTS ILLUMINATED ON TAKEOFF. REMOVED AND REPLACED ANTI-SKID VALVE PER AMM. 32-42-31. OPS AND LEAK CHECK SATISFACTORY. REF# TTG8Q013P7MC CONDITIONAL INSPECTION. REMOVED AND REPLACED PARKING BRAKE VALVE ON NON-ROUTINE REF. TTG8Q013P8TW

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