Service difficulty report · Circuit Breaker · Boeing 757232

Difficulty date
November 18, 2010
Submitted
November 23, 2010
Operation
Air carrier
Aircraft
N647DL
Make and model
Boeing 757232
Aircraft serial
24218
Aircraft time
73,840 hours, 32,414 cycles
Engine
Pwa PW2037
Part
Circuit Breaker
Condition
Failed
Location
Lt Generator
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

THE AUTOPILOT AUTOMATICALLY DISCONNECTED AND THE LT GENERATOR TRIPPED OFF ACCOMPANIED BY A LT BUSS EICAS MESSAGES. FLIGHT CREW ATTEMPTED TO RESET THE GENERATOR SEVERAL TIMES UNTIL EVENTUALLY ELECTRICAL FUMES WERE NOTED. AN EMERGENCY WAS DECLARED AND THE FLIGHT DIVERTED TO A NORMAL SAFE LANDING. MX REPLACED THE LT GENERATOR BREAKER, THE LT BTB, AND THE GCU. ALL SYS CHECKS AND RUN-UP WERE GOOD.