Service difficulty report · Computer · Airbus A300F4605R

Difficulty date
September 24, 2019
Submitted
September 24, 2019
Operation
Air carrier
Aircraft
N676FE
Make and model
Airbus A300F4605R
Aircraft serial
790
Aircraft time
29,399 hours, 16,565 cycles
Part
Computer
Part number
SIC50774
Part serial
0400
Condition
Faulted
Location
Fuel System
Part time
11,761 hours, 6,463 cycles
Stage of operation
CL
How discovered
O
Nature of condition
P
Precautionary procedure
A

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

What was found

PDIS 676 28-40 8572 24SEP19 ELP FACT U LOGPAGES:3167557 CLIMBING THROUGH FL 200, ECAM MEMO PAGE SHOWED ALL XX'S ON GROSS WT CG, AND TOTAL FUEL INDICATION. ECAM FUEL PAGE SHOWED ALL XX'S ON ALL TANKS. THE FUEL PANEL ON THE OVERHEAD SHOWED QUANTITIES FOR THE LEFT OUTER, LEFT INNER AND CTR/TT, BUT THE RIGHT INNER AND RT OUTER WERE BLANK. AT LEVEL OFF, ALL QUANTITIES DISPALYED FOR ABOUT 30 SECONDS, THEN WENT BACK TO INDICATIONS I JUST DESCRIBED. SHGN 24SEP19 04:28 ELP U PERFORMED FUEL SYSTEM BITE REF TSM 28-42-00, OVERHEAD READINGS ARE 7.06 ( REF TSM 28-42-00 REPLACE FQIC ). CYCLED FQI CONTROL BREAKERS AND ALL INDICATIONS RETURNED TO NORMAL. CGCC LAST FLIGHT LEG SHOWS FQIS FAULT. REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: SIC5077-4 POS: ONL SRL: 0400 TAG NR: 19F893 ON MPN: SIC5077-4 CPN: 2810225 SRL: 0296 TAG NR: 3268E8 SHGN 24SEP19 13:46 DUE TO HARD FAULT CODE 706, REMOVED AND REPLACED FQIC 15QT IAW 28-42-38-04. OPS CHECK SATISFACTORY. BITE MEMORY CLEARED. FACT 24SEP19 13:47 ELP U REPLACED FUEL QUANTITY COMPUTER BECAUSE OF FAILED BITE TEST WITH HARD FAULT CODE 706 AND PERFORMED A SUCCESSFUL OPERATIONAL TEST PER AMM 28-42-38. THE FUEL QUANTITY COMPUTER IS QUALIFIED FOR FURTHER SERVICE.

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