Service difficulty report · Generator · Boeing 747123

Difficulty date
November 7, 2007
Submitted
November 12, 2007
Operation
Air carrier
Aircraft
N676UP
Make and model
Boeing 747123
Aircraft serial
20101
Part
Generator
Condition
Inoperative
Location
Nr 3
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

INSPECTION TYPE:N/A ATB FOR NR 3 BUSS TIE ON WITH FEEDER FAULT LT & CONST SPEED LIGHT. FIVE MIN LATER, CONST SPD LIGHT GEN 2 & GEN 4 W/LOSS OF BOOST PUMP IN TANKS 2 AND 3, NR 2 AFT, NR 3 FWD. NR 3 FAULT ANNUNCIATOR SHOWED GEN/FEEDER. INSPECTED FEEDERS IN PYLON. REPLACED NR 3 GEN PER MM. CHECKED FOR VOLTAGE DROP & VOLTAGES AT BTR & GCR AND ALL CHECKED GOOD.