BOEING 737 near Johannesburg — 2012-07-30

Probable cause

Investigated by a foreign authority; NTSB does not determine probable cause.

NTSB narrative

On July 30, 2012, at approximately 0920 UTC, a Boeing 737-800, registration ZS-SJB, s/n 29249, operated by South African Airways, experienced a sudden decompression approximately one hour after takeoff. The cabin oxygen masks deployed from the overhead panels and the flight crew descended to FL100 after declaring an emergency. The flight continued to Johannesburg, South Africa, where it landed safely at 1049Z. None of the occupants onboard the aircraft were reported injured, and the aircraft sustained no damage. The investigation is being conducted by the South African Civil Aviation Authority. The NTSB designated a U.S. Accredited Representative as the state of manufacture of the aircraft to assist the South Africa CAA's investigation. All inquiries should be directed to: South African Civil Aviation Authority Accident Incident Investigation Division Ikhaya Lokundiza Building 16 Treur Close Waterfall Park Bekker Street Midrand www.caa.co.za

NTSB coding

• Pressure/environ sys malf/fail · Enroute

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