Service difficulty report · Wire · Boeing 75733N

Difficulty date
January 10, 2019
Submitted
January 13, 2019
Operation
Air carrier
Aircraft
N57869
Make and model
Boeing 75733N
Aircraft serial
32593
Aircraft time
53,517 hours, 16,144 cycles
Part
Wire
Condition
Shorted
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AIR RETURN DUE TO R/H CNTR FUEL PUMP EICAS LOW PRESSURE LIGHT ON REF FIM 28-22-00-815-804 FOUND FAULTS 22 AND 33 REPLACED RAM NEEDS PUMP REPLACED AS WELL AS K10012 PUMP CONTROL RELAY. FOUND WIRE NUMBER 3 (BLUE) AT CONNON PLUG D1838, SHORTING TO GROUND AT SOLDER FOR SHIELDING, WITH PUMP OPERATIONAL AND SHAKING WIRES. CUT TO NEW WIRE LENGTH WHILE REMOVING DEFECTIVE AREA AND INSTALLED SERVICEABLE CONNECTOR, REF SWPM 20-00-00 AND WDM 28-22-11. OPS CK GOOD. VERIFIED CDCCL REQUIREMENTS PER SWPM 20-20-00 AND PER WDM 28-22-11 PER QC

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