Service difficulty report · Wire · Boeing 777222

Difficulty date
October 1, 2010
Submitted
October 25, 2010
Operation
Air carrier
Aircraft
N780UA
Make and model
Boeing 777222
Aircraft serial
26944
Aircraft time
57,514 hours, 10,443 cycles
Engine
Pwa PW4077
Part
Wire
Condition
Shorted
Location
Overheat Loop
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

BLEED LOOP 2 STRUT L DETECTOR FAULT. FOUND INTERMITTENT SHORT TO GROUND ON WIRE W4519-2009R-20 AT LWR FWD INBD CORNER OF P105 PANEL. REPAIRED INSULATION IAW SWPM, REPOSITIONED AND SECURED HARNESS. ALSO FOUND LOW RESISTANCE TO GRD ON CONNECTOR DM26104A. NEEDS NEW CONN. WIRING REPAIRED IAW 20-10-13. CLEANED CONNECTOR AND REINSTALLED. OPS CHECKED GOOD. SHOOK WIRING, ALL CHECKED GOOD.