Service difficulty report · Computer · Airbus A300B4622R

Difficulty date
June 22, 2010
Submitted
June 28, 2010
Operation
Air carrier
Aircraft
N748FD
Make and model
Airbus A300B4622R
Aircraft serial
633
Aircraft time
30,857 hours, 10,353 cycles
Part
Computer
Part number
SIC50774
Part serial
254C38
Condition
Malfunctioned
Location
Fuel Qty
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

CHECKED FUEL GAUGES. 2900 NR SPLIT BETWEEN LT INNER AND RT INNER (4.42 L VS 1.9 R) DIFFERENCE INCREASED RAPIDLY TO 2800 NR WITHIN 2 MINUTES. DECLARED EMERGENCY FOR POSSIBLE FUEL LEAK AND DIVERTED. OPEN XFEED TO MAINTAIN FUEL BALANCE. TOTAL BURN IN 35 MINUTES OF FLIGHT WAS 10,600 LBS. TANK COMP AND PROBE CAP/RESISTANCE READINGS WITHIN LIMITS. REPLACED FUEL QTY COMPUTER PER MOCC REQUEST AND PERF A SUCCESSFUL OPS TEST PER MM 28-42-38. THE FUEL QTY COMPUTER IS QUALIFIED FOR FURTHER SERVICE.

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