SDR UPS08552209

Service difficulty report · Buss · Boeing 75724APF

Difficulty date: May 9, 2008
Submitted: May 13, 2008
Operation: Air carrier
Aircraft: N419UP
Make and model: Boeing 75724APF
Aircraft serial: 23906
System (JASC): 2497 · Electrical Power System Wiring
Part: Buss
Condition: Inoperative
Location: Lt
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

AFTER TAKEOFF CREW LOST EFIS SYMBOLOGY. LEFT A/C BUS C/B POPPED. T/S FOUND C/B BUSS L-SEC3, 35 AMP POPPED. T/S PER WD 24-51-11. ACCOMP AMP LOAD TEST OF ALL C/B`S ON P6-3 PANEL. FOUND ALL LOADS NORMAL. CHECKED ALL WIRING FOR SHORTS/BURNS AND LOOSE CONNECTIONS, ALL CHECKED OK. REPLACED C/B C310 BUSL SEL, SEC 3, 35 AMP. REPLACED LT GEN C/B C901 IN P31 PANEL. APPLIED POWER TO A/C. ALL CHECKS OK.

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