The U.S. aircraft register, updated daily
Accidents · NTSB DCA17WA163 · Preliminary: the investigation is not finished

Boeing Company BOEING 737-330 incident near Frankfurt-Main, De, July 28, 2017

On July 28, 2017 at about 4:17 pm local time, a Boeing Company BOEING 737-330, registered GCELI, was involved in an incident during enroute (cruise) near Frankfurt-Main. The NTSB record does not give the injuries.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 28, 2017 · about 4:17 pm local time
Place
Frankfurt-Main, Germany
Type
Incident
Injuries
The NTSB record does not give the injuries.
Weather
not recorded
Aircraft
Boeing Company BOEING 737-330 330
Registration
GCELI · no longer on the register · serial 23526
Damage
Not recorded
Flight
Flight

The NTSB's narrative preliminary · quoted from the NTSB record

The BFU of Germany has notified the NTSB of an incident involving a Boeing 737-330 airplane that occurred on July 28, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the BFU's investigation under the provisions of ICAO Annex 13 as the State of Manufacturer and Design of the airplane.All investigative information will be released by the BFU of Germany.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Pressure/environ sys malf/fail during enroute (cruise) defining event

The aircraft

  • Maximum gross weight: 126,763 lb
  • Landing gear: fixed
  • Engine 1: Cfm CFM56-3B1 (turbofan); 0 hours total
  • Engine 2: Cfm CFM56-3B1 (turbofan); 0 hours total
  • Operator: Jet2.Com LTD

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.

Other NTSB records under GCELI the same tail number, which may have belonged to a different aircraft at the time

2009-10-19DCA10WA003 · incident near Manchester · no injuries

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.