SDR SB06086

Service difficulty report · Shutoff Valve · Boeing 737401

Difficulty date
August 31, 2006
Submitted
September 12, 2006
Operation
Air carrier
Aircraft
N425US
Make and model
Boeing 737401
Aircraft serial
23992
Part
Shutoff Valve
Part number
340565
Part serial
4897AB
Condition
Faulty
Location
Mlg
Part time
10,665 hours, 7,640 cycles
Stage of operation
LD
How discovered
O
Nature of condition
K, A
Precautionary procedure
O

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

What was found

ON LANDING IN MIA, CREW REPORTED BOTH LEFT MAIN LANDING GEAR TIRES BLEW. THE LT MAIN LANDING GEAR CAUGHT FIRE, WHEREAS, TRUCKS WERE DISPATCHED AND THE FIRE WAS EXTINGUISHED. PASSENGERS WERE EVACUATED VIA THE EMERGENCY ESCAPE SLIDES, AND TRANSPORTED TO THE TERMINAL. NO INJURIES WERE REPORTED. MAINTENANCE ACCOMPLISHED LEFT MLG TIRE BURST FERRY FLIGHT PREPARATION. AIRCRAFT WAS THEN MAINTENANCE FERRIED GEAR DOWN TO CLT. MAINTENANCE IN CLT TROUBLESHOT SYSTEM AND FOUND A FAULTY PARKING BRAKE SHUTOFF VALVE. THE VALVE HAD NO GROUND AT D1040, PIN 15. REPLACED SHUTOFF VALVE AND PERFORMED SATISFACTORY ADJUSTMENT TEST PER MM 32-42-00. OPERATIONAL CHECK GOOD. IN ADDITION, REPLACED DAMAGED LEFT MLG TIRE/WHEEL ASSEMBLIES