<< >> NASA ASRS Report 804024, September 2008

A B757-200 flight crew experienced loss of left gen drive on departure for an transoceanic flight. They consulted with maintenance; declared an emergency; and diverted to the nearest suitable airport.

Attributes
ACN	804024
Time
Date	200809
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 100
Environment
Flight Conditions	VMC
Aircraft 1
Controlling Facilities	tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 90 flight time total : 13500 flight time type : 4500
ASRS Report	804024
Person 2
Affiliation	company : air carrier
Function	flight attendant : on duty
ASRS Report	805390
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency flight crew : landed as precaution
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Left generator drive illuminated on takeoff. Generator disconnected per FM. Consulted with dispatch and maintenance. Divert to ZZZ1 required declaring an emergency so as to gain frequency access prior to entering ETOPS airspace. Overweight landing ZZZ1. Supplemental information from acn 805390: approximately 10 mins after takeoff out of ZZZ I was called by the captain and told that we had lost a generator and would not be able to continue to destination and would most likely be going to ZZZ1 to see if it could be repaired. We had about 20 mins but was not considered an emergency.

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Original NASA ASRS Text

Title: A B757-200 FLT CREW EXPERIENCED LOSS OF L GEN DRIVE ON DEPARTURE FOR AN TRANSOCEANIC FLT. THEY CONSULTED WITH MAINT; DECLARED AN EMERGENCY; AND DIVERTED TO THE NEAREST SUITABLE AIRPORT.

Narrative: L GENERATOR DRIVE ILLUMINATED ON TKOF. GENERATOR DISCONNECTED PER FM. CONSULTED WITH DISPATCH AND MAINT. DIVERT TO ZZZ1 REQUIRED DECLARING AN EMER SO AS TO GAIN FREQ ACCESS PRIOR TO ENTERING ETOPS AIRSPACE. OVERWT LNDG ZZZ1. SUPPLEMENTAL INFO FROM ACN 805390: APPROX 10 MINS AFTER TKOF OUT OF ZZZ I WAS CALLED BY THE CAPT AND TOLD THAT WE HAD LOST A GENERATOR AND WOULD NOT BE ABLE TO CONTINUE TO DEST AND WOULD MOST LIKELY BE GOING TO ZZZ1 TO SEE IF IT COULD BE REPAIRED. WE HAD ABOUT 20 MINS BUT WAS NOT CONSIDERED AN EMER.

Data retrieved from NASA's ASRS site as of May 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.