B737-300 flight crew report a master caution light at 14;000 ft caused by a generator off light and ...

Narrative:

[We] just leveled off at 14;000 ft when the master caution light came on; looked up and saw on the overhead panel that the low oil pressure light and generator light on the #1 engine [were] on. Started the APU and got out QRH. Thinking it was the engine low oil pressure light; I thought we had an engine problem. [I] started running the checklist and began feeling a little rushed and uneasy at this time. Put the APU on line. Ran the checklist and secured the engine. We talked to ATC and asked for vectors back. Landed; all was ok and uneventful. Taxied to the gate and called for maintenance to come out to the aircraft. That is when we looked at each other and realized we had run the wrong checklist. During all of this; I felt rushed to secure the engine and didn't take the time to stop and look around and see what was going on. 'Big mistake;' I should have slowed down at this time and made sure what I was doing was right thing. Next time if given the chance; the outcome would be a lot different.

Original NASA ASRS Text

Title: B737-300 flight crew report a master caution light at 14;000 FT caused by a generator off light and a CSD low oil pressure light. Believing the oil pressure light is for the Number One Engine; it is shut down and the flight returns to the departure airport.

Narrative: [We] just leveled off at 14;000 FT when the Master Caution light came on; looked up and saw on the overhead panel that the Low Oil Pressure light and Generator light on the #1 Engine [were] on. Started the APU and got out QRH. Thinking it was the Engine Low Oil Pressure light; I thought we had an engine problem. [I] started running the checklist and began feeling a little rushed and uneasy at this time. Put the APU on line. Ran the checklist and secured the engine. We talked to ATC and asked for vectors back. Landed; all was ok and uneventful. Taxied to the gate and called for Maintenance to come out to the aircraft. That is when we looked at each other and realized we had run the wrong checklist. During all of this; I felt rushed to secure the engine and didn't take the time to stop and look around and see what was going on. 'Big mistake;' I should have slowed down at this time and made sure what I was doing was right thing. Next time if given the chance; the outcome would be a lot different.

Data retrieved from NASA's ASRS site as of July 2013 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.

Attributes
ACN	1129807
Time
Date	201311
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Component
Aircraft Component	Turbine Engine
Person 1
Function	Captain
Experience	Flight Crew Last 90 Days 174
Person 2
Function	First Officer
Experience	Flight Crew Last 90 Days 123
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy

B737-300 flight crew report a master caution light at 14;000 ft caused by a generator off light and a CSD low oil pressure light. Believing the oil pressure light is for the number one engine; it is shut down and the flight returns to the departure airport.