SDR P5CA2020100500349

Service difficulty report · Wire · Boeing 74787UF

Difficulty date: September 29, 2020
Submitted: October 5, 2020
Operation: Air carrier
Aircraft: N853GT
Make and model: Boeing 74787UF
Aircraft serial: 37572
Aircraft time: 34,551 hours, 5,106 cycles
System (JASC): 2497 · Electrical Power System Wiring
Part: Wire
Condition: Arced
Location: Electrical Panel
Stage of operation: IN
How discovered: V
Nature of condition: B
Precautionary procedure: K

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

What was found

ARCING-FOUND P6-1 PANEL WIRE ARCING WHEN OPEN THE P6-1 POWER PANEL WIRE NR W4084-142, -2, -58, -33, -3, -T6, -133 AND P6-5 PANEL, C/B (C3138) AC 1 DIST-P7 PANEL 1 AND 2 TERMINAL. REFERENCE W/O NO 4988757 FOR WIRE REPLACEMENT AND TEST ITEMS, IAW SWPM 20-61-11, 20-30-11, 20-90-11, 20-30-00, 20-30-12.

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