SDR UPS00433359

Service difficulty report · Harness · Boeing 747212B

Difficulty date: June 10, 2000
Submitted: July 14, 2000
Operation: Air carrier
Aircraft: N521UP
Make and model: Boeing 747212B
Aircraft serial: 21944
Aircraft time: 62,800 hours, 15,449 cycles
System (JASC): 2400 · Electrical Power System
Part: Harness
Condition: Arced
Location: Fuselage
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

INSPECTION TYPE:C, FWD CARGO HOLD - CABLE LOOM PASSING THROUGH FRAME AT BS 520, RBL 24 SHOWS EVIDENCE OF ARCING. ACCOMPLISHED PER QUERY NOTE 35/2000 WHICH ASKS FOR WIRES TO BE REMOVED AS SYSTEM IS INACTIVE. WIRES REMOVED FROM CB C914 IN P14 PANEL TO RELAY R175 IN PANEL P86, AT FWD CARGO DOOR PER WDM 24-51-72.

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