Narrative:

At takeoff first class lavatory began over-flowing into first class aircraft right. Broke sterile, notified captain, who in return said had problem would get back to me. After about 8 mins, captain called me to cockpit to let me know that we would be most likely returning to ewr or diverting to jfk that they had received stall warning and there was a problem with gauges. He said that we would not need to plan for an emergency landing. Notified crew of situation. Next communication captain informed me that we would dump fuel and divert to jfk. Captain informed passenger. Landed in jfk without further incident. Although I do not know for sure, I think lavatory must have been over-svced because of the amount of water that poured out.

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Original NASA ASRS Text

Title: A DC10 IMMEDIATELY AFTER TKOF DIVERTED TO JFK DUE TO THE FIRST CLASS LAVATORY OVERFLOWED INTO THE FIRST CLASS CABIN AND CAUSED INST MALFUNCTIONS.

Narrative: AT TKOF FIRST CLASS LAVATORY BEGAN OVER-FLOWING INTO FIRST CLASS ACFT R. BROKE STERILE, NOTIFIED CAPT, WHO IN RETURN SAID HAD PROB WOULD GET BACK TO ME. AFTER ABOUT 8 MINS, CAPT CALLED ME TO COCKPIT TO LET ME KNOW THAT WE WOULD BE MOST LIKELY RETURNING TO EWR OR DIVERTING TO JFK THAT THEY HAD RECEIVED STALL WARNING AND THERE WAS A PROB WITH GAUGES. HE SAID THAT WE WOULD NOT NEED TO PLAN FOR AN EMER LNDG. NOTIFIED CREW OF SIT. NEXT COM CAPT INFORMED ME THAT WE WOULD DUMP FUEL AND DIVERT TO JFK. CAPT INFORMED PAX. LANDED IN JFK WITHOUT FURTHER INCIDENT. ALTHOUGH I DO NOT KNOW FOR SURE, I THINK LAVATORY MUST HAVE BEEN OVER-SVCED BECAUSE OF THE AMOUNT OF WATER THAT POURED OUT.

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