Narrative:

During takeoff from phl rear cargo door light came on with master caution light. Came back to make normal landing and have maintenance check aircraft. Logbook entry was made.

Google
 

Original NASA ASRS Text

Title: ACR MLG CARGO DOOR WARNING LIGHT CAME ON DURING TKOF. ACFT MADE NORMAL LNDG AND RETURNED TO THE GATE.

Narrative: DURING TKOF FROM PHL REAR CARGO DOOR LIGHT CAME ON WITH MASTER CAUTION LIGHT. CAME BACK TO MAKE NORMAL LNDG AND HAVE MAINT CHECK ACFT. LOGBOOK ENTRY WAS MADE.

Data retrieved from NASA's ASRS site as of August 2007 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.