Service difficulty report · Metering Valve · Boeing 747273C

Difficulty date
September 4, 2010
Submitted
September 7, 2010
Operation
Air carrier
Aircraft
N471EV
Make and model
Boeing 747273C
Aircraft serial
20651
Part
Metering Valve
Part number
65B812694
Part serial
056
Condition
Failed
Location
Brakes
Stage of operation
LD
How discovered
O
Nature of condition
A, B
Precautionary procedure
O

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

What was found

AIRCRAFT LANDED & THERMANLLED ALL TIRES ON LEFT SIDE OF AIRCRAFT. CAPTAINS REPORT INDICATES THAT THE TOWER REPORTED SMOKE AND FLAMES. PERFORMED HIGH ENERGY STOP / HEAT DAMAGE INSPECTION ON LEFT WING GEAR AND LEFT BODY GEAR PER AMM 5-51-10 NO DEFECTS NOTED. WHEEL AND BRAKES REPLACED SEE ITEM M4632, M4633, M4634, M4635 & M4631 FOR CORRECTIVE ACTION. REPLACED BRAKE METERING MODUL ASSY IAW MM 32-41-05 OPS NORMAL AND LEAK CHECK OK.