<< >> NASA ASRS Report 859620, November 2009

A MD80 with a generator already MEL'ed; developed a high CSD temperature on the remaining generator. Unable to disconnect the CSD; the crew declared an emergency and returned to the departure airport.

Attributes
ACN	859620
Time
Date	200911
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Generator Drive
Person 1
Function	Pilot Flying First Officer
Person 2
Function	Pilot Not Flying Captain
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy

Narrative:

After takeoff; out of 10;000 ft the captain noticed the left CSD oil temperature close to caution range. We monitored it and the temperature climbed into caution range. We started QRH procedure but the CSD outlet temperature climbed over red line. Unable to comply with QRH procedure due to MEL 24-1a on right engine generator. Declared emergency returned to the departure airport and landed overweight.

Related reports:

• Medium large transport flight approximately 15 minutes away ...
• An air carrier flight crew opted to return to their departur...
• MD80 flight crew reports CSD disconnect for high oil tempera...

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Original NASA ASRS Text

Title: A MD80 with a generator already MEL'ed; developed a high CSD temperature on the remaining generator. Unable to disconnect the CSD; the crew declared an emergency and returned to the departure airport.

Narrative: After takeoff; out of 10;000 FT the Captain noticed the left CSD oil temperature close to caution range. We monitored it and the temperature climbed into caution range. We started QRH procedure but the CSD outlet temperature climbed over red line. Unable to comply with QRH procedure due to MEL 24-1a on right engine generator. Declared emergency returned to the departure airport and landed overweight.

Data retrieved from NASA's ASRS site as of April 2012 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.