Accident Boeing 737-7H4 (WL) N968WN,
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Date:Tuesday 17 June 2014
Time:09:30 LT
Type:Silhouette image of generic B737 model; specific model in this crash may look slightly different    
Boeing 737-7H4 (WL)
Owner/operator:Southwest Airlines
Registration: N968WN
MSN: 36679/3872
Year of manufacture:2011
Engine model:CFM INTL CFM56-7B24E
Fatalities:Fatalities: 0 / Occupants: 144
Aircraft damage: None
Category:Accident
Location:Dallas, Texas -   United States of America
Phase: En route
Nature:Passenger - Scheduled
Departure airport:Las Vegas-Harry Reid International Airport, NV (LAS/KLAS)
Destination airport:Atlanta Hartsfield-Jackson International Airport, GA (ATL/KATL)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
While working in the forward galley, the flight attendant noticed that the coffee pot was leaking onto the counter and proceeded to turn it off and cleaned up the spill. Then while lifting the coffee maker's potlocking lever, hot coffee grounds and hot water erupted onto her face, neck, upper chest and hands. The flight crew elected to divert to Dallas Love Field (DAL), Dallas, Texas, and landed without incident. Medical personnel met the flight and the flight attendant was treated for 1st and 2nd degree burns.

Approximately 18 months before the accident, the Federal Aviation Administration (FAA) had issued Safety Alert for Operators (SAFO) 13001, which addressed reported cases of coffee filter packages bursting in-flight during coffee preparation, causing 1st and 2nd degree burns to flight attendants and bystanders. The SAFO encouraged air carriers and operators to add cautionary instructions and procedures to the Flight Attendant Manual (FAM) and training program, warning crew members of the dangers to personnel and equipment.

At the time of the accident the following warning was present in the operator's FAM:

WARNING: To avoid injury from bursting coffee filters, step to the side, turn off power to the coffeemaker, and do not raise the potlocking lever until the unit has cooled.

Following the accident the warning was changed to the following:

WARNING: Water overflowing and/or a hissing noise coming from the coffeemaker could result in injury from bursting coffee packets. Step to the side, turn off power to the coffeemaker, and DO NOT raise the potlocking lever.

Probable Cause: A buildup of pressure in the coffee filter package resulting in the release of hot coffee and grounds when the potlocking handle was raised, which resulted in 2nd and 3rd degree burns.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: DCA14CA120
Status: Investigation completed
Duration: 1 year and 2 months
Download report: Final report

Sources:

NTSB DCA14CA120

Location

Revision history:

Date/timeContributorUpdates
02-Jun-2023 14:44 ASN Update Bot Added

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