Narrative:

In the course of losing electrical cart power in ZZZ and starting APU; flight attendants noticed several aisle ceiling lights in the main cabin were out. By this time APU power was available and after troubleshooting we determined that several standby lights were out. We crew placarded the standby lights according to the MEL. After maintenance troubleshot the system further; informed us that 4 of the ceiling lights inoperative were the emergency lighting system on ceiling as well.

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Original NASA ASRS Text

Title: AN MD80 FLT CREW DEFERRED AND PLACARDED SEVERAL CEILING LIGHTS IN THE AFT CABIN AFTER PWR WAS RESTORED. WERE ADVISED LATER BY MAINT THAT 4 FAILED LIGHTS WERE IN THE EMER LIGHT SYS.

Narrative: IN THE COURSE OF LOSING ELECTRICAL CART PWR IN ZZZ AND STARTING APU; FLT ATTENDANTS NOTICED SEVERAL AISLE CEILING LIGHTS IN THE MAIN CABIN WERE OUT. BY THIS TIME APU PWR WAS AVAILABLE AND AFTER TROUBLESHOOTING WE DETERMINED THAT SEVERAL STANDBY LIGHTS WERE OUT. WE CREW PLACARDED THE STANDBY LIGHTS ACCORDING TO THE MEL. AFTER MAINT TROUBLESHOT THE SYS FURTHER; INFORMED US THAT 4 OF THE CEILING LIGHTS INOP WERE THE EMER LIGHTING SYS ON CEILING AS WELL.

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.