B737-500 has a CSD and APU failure; declares emergency and diverts for landing.

Attributes
ACN	704702
Time
Date	200607
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 9000
Aircraft 1
Controlling Facilities	tracon : zzz.tracon
Operator	common carrier : air carrier
Make Model Name	B737-500
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Route In Use	departure sid : n/s
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 150 flight time total : 6000 flight time type : 2150
ASRS Report	704702
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 140 flight time total : 9000 flight time type : 800
ASRS Report	704524
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : csd other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : landed as precaution flight crew : declared emergency
Consequence	other other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

On climb out got #1 CSD low oil pressure light. Ran checklist and disconnected #1 CSD. APU failed to start; leaving us on 1 generator operations. Called dispatch and maintenance control; and decided to return to ZZZ. Cabin advisory to flight attendants. Declared emergency with ATC. Landed uneventfully in ZZZ.

Original NASA ASRS Text

Title: B737-500 HAS A CSD AND APU FAILURE; DECLARES EMER AND DIVERTS FOR LNDG.

Narrative: ON CLBOUT GOT #1 CSD LOW OIL PRESSURE LIGHT. RAN CHKLIST AND DISCONNECTED #1 CSD. APU FAILED TO START; LEAVING US ON 1 GENERATOR OPS. CALLED DISPATCH AND MAINT CTL; AND DECIDED TO RETURN TO ZZZ. CABIN ADVISORY TO FLT ATTENDANTS. DECLARED EMER WITH ATC. LANDED UNEVENTFULLY IN ZZZ.

Data retrieved from NASA's ASRS site as of January 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.