# NTSB DCA12WA034: Boeing 737, Brussels, Belgium, February 6, 2012

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: February 6, 2012, 08:00 local (08:00 UTC)
- Place: Brussels, Belgium
- Highest injury: No injuries
- Injuries: 175 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 82834
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA12WA034
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/82834/pdf
- Page: https://openairdocs.org/ntsb/DCA12WA034

## Factual narrative

On February 6, 2012, at about 0800 UTC, a B737-800, registration EI-DCK, serial #33565, operated by RyanAir, was en route to Brussels over German territory when a pressurization AUTO FAIL message was noted. The flightcrew switched to MANUAL and pressurization initially stabilized, then failed. The crew declared an emergency and descended to 8,000 feet with crew on oxygen. The flight continued to its destination at this altitude. Upon arrival, ice was observed on the fuselage around the aft outflow valve, and water leaking out of the water tank was observed by technicians on site. There were no injuries. The investigation is being conducted by the Air Accident Investigation Unit, Ministry of Mobility and Transport of Belgium. The NTSB has appointed a U.S. Accredited Representative to assist the investigation under the provisions of ICAO Annex 13 as the State of manufacture and design of the airplane and engines. All requests for information should be directed to: Air Accident Investigation Unit Belgium Rue du Progrès 80 Bte 5 1030 Brussels Belgium http://www.mobilit.fgov.be/

## Aircraft

- Registration: EI-DCK (not matched to a registry record)
- Reported make and model: BOEING 737 (8AS)
- Serial number: 33565
- Damage: Minor damage
- Flight: Part 121
- Operator: Ryan International Airlines Inc

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.