Service difficulty report · Control Valve · Boeing 72725

Difficulty date
August 30, 2001
Submitted
September 4, 2001
Operation
Air carrier
Aircraft
N708DH
Make and model
Boeing 72725
Aircraft serial
18275
Part
Control Valve
Condition
Failed
Location
Anti Skid Sys
Stage of operation
TX
How discovered
O
Nature of condition
A
Precautionary procedure
D

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

What was found

LT MAIN GEAR BRAKE DRAGGING ON TAXI OUT. TAXI BACK TO GATE PER PHONE PATCH. MX FLT CONT CVG LT MAIN BRAKE FIRE THERMAL DISCHARGED TIRE 1 TIRE 2 FIRE LAST OVER 45 MIN, FIRE REFLARED UP 3 TIMES IN 45 MIN. CHECKED/INSP SERVICE OF LT MAIN SHOCK STRUT / STRUT IS NOT FLAT, NO 5606 FLUID LEAKAGE IAW MM 12-15-21. LEAK IS AT LT NR 1 BRAKE SHUTTLE VALVE. INSPECTED LT MAIN STRUT FOR FIRE DAMAGE IAW MM 5-51-121. LEFT MAIN STRUT FLAT HYD FLUID LEAKING. FIRE DAMAGE TO STRUT. REMOVED AND REPLACED LT ANTI-SKID CONTROL VALVE IAW MM 32-42-21 / VALVE LEAK CHECK GOOD. REMOVED AND REPLACED NR 1 & 2 MAIN WHEEL/TIRE ASSY IAW MM 32-45-1.

More about the Boeing 727-25