Service difficulty report · Connector · Boeing 747123

Difficulty date
March 5, 2001
Submitted
March 6, 2001
Operation
Air carrier
Aircraft
N674UP
Make and model
Boeing 747123
Aircraft serial
20100
Part
Connector
Condition
Disconnected
Location
Nr1 Eng Firewall
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
E, 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 DURING CLIMB TO FL300 NR 1 GEN TRIPPED NR 1 FIELD TRIPPED.CSD NR 1 ENG ABOVE REDLINE/180C IND. RAN CKLIST & DISCONNECTED CSD ATTEMPTED. CSD DISCONNECT NOT EFFECTIVE. CSD RPM0 & CSD PMG BETWEEN 75 AND 100. NR 1 ENG PRECAUTIONARY SHUTDOWN. CHECKED AND FOUND ELECTRICAL CONNECTOR D11P WAS DISCONECTED AT NR1 ENG HORIZONTAL FIREWALL. CLEANED AND INSTALLED CONNECTOR, PERFORMED OPS CK''D CSD DISCONNECT FUNCTION NORMAL. RECONNECTED CSD & NR 1 GEN OP''S NORMAL. OK FOR SERVICE. PERFORMED NR 1 ENG WINDMILLING INSPECTION NO CONTAMINATION NOTED AT FILTER & MAG TIP. OK TO OPERATE NR 1 ENG.