Service difficulty report · Wire · Airbus A300F4605R

Difficulty date
December 17, 2008
Submitted
December 22, 2008
Operation
Air carrier
Aircraft
N668FE
Make and model
Airbus A300F4605R
Aircraft serial
772
Aircraft time
19,064 hours, 10,228 cycles
Part
Wire
Condition
Disconnected
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

DURING CLIMB-OUT, ABOUT 10,000, LT OUTER FUEL QTY BEGAN TO DECREASE. CENTER TANKS (BOTH) FAULTED EVEN THOUGH 400 LBS PRESENT OR INDICATED. LT OUTER DECREASED TO BELOW 1,000 LBS. DURING DESCENT, LT OUTER FUEL QTY INDICATION BEGAN TO INCREASE RISING TO 3,400 LBS BY 10,000 FT. LT OUTER TANKS INDICATED NEAR FULL BY SHORT APPROACH. TOTAL FUEL QTY REFLECTED FLUCTUATING LT OUTER INDICATIONS. BOTH ECAM & OVHD PANEL PRODUCED ACCOMPLISHED FQIC BITE TEST. AFTER BITE TEST, RESET FQIC. PERFORMED LT OUTER INDIVIDUAL PROBE CAPACITANCE & RESISTANCE CHECK IN REF TO AMM28-42-00-5. ALL PROBE CAP AND RESISTANCES WITHIN LIMITS. MEGGED WIRING FROM 563VCA TO FQIC ALL WIRING CHECKED GOOD. CONDUCTOR (-W OF 563VCA). DEPINNED SHIELDED WIRE PIN -W FOR INSPECTION & 2 SHIELD WIRES THAT WERE PIGGY-BACKED TO IT PULLED OUT OF THE SOLDER SLEEVE. WIRE 2842-5100-W. RETERMINATED SOCKET FOR CENTER CONDUCTOR (-W) AND REASSEMBLED SOLDER SLEEVE FOR SHIELD & TWO PIGGY-BACKED WIRES. OPENED & VENTED LT OUTER TANK. PERFORMED DETAILED VISUAL INSPECTION OF TANK INTERNAL PROBE WIRING, SECURED CLAMP ON PROBE NR 11. FUELED ACFT AND TESTED GOOD.

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