Casualties unknown

Embraer 175LR Cabin Altitude Incident During Return Leg from Geneva (SP-LIK)

FIR LSAS, PL

On October 31, 2017, an EMBRAER 170-200 (175) (registration SP-LIK) operated by Pilot samolotowy z licencją AT was involved in an aviation accident near FIR LSAS, PL. Investigators recorded the probable cause as: Lack of appropriate interpretation of a technical fault, resulting in the continuation of the aircraft's climb with both bleed systems inoperative, which led to a cabin altitude increase to the level of CABIN ALTITUDE HIGH. This summary draws on records from the Polish State Commission on Aircraft Accidents Investigation (PKBWL); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Polish State Commission on Aircraft Accidents Investigation (PKBWL)Primary reportUpdated 2026-09-13Data APIEditorial standards
Aircraft registered SP-LIK
Aircraft registered SP-LIK. Photo: Paul Nelhams from Shannon, Ireland / CC BY-SA 2.0, via Wikimedia Commons

On October 31, 2017, an Embraer 175LR experienced a cabin altitude increase during a flight from Geneva to Warsaw after bleed systems were inoperative. No injuries were reported.

Incident Overview and Investigation Details In an incident classified as a non-fatal aviation occurrence, an Embraer 175LR (ERJ-170-200LR) aircraft was involved in an event recorded as 2956/17 by the State Commission for Investigation of Aviation Accidents (SBKwL). The incident occurred on October 31, 2017, within the FIR LSAS. The aircraft was operating a scheduled return leg of a flight from Geneva to Warsaw. The investigation was supervised by Patrycja Pacak, with the operator identified as the investigating entity. The investigation concluded on October 22, 2019, and the document was classified as an informational report.

Probable cause

Lack of appropriate interpretation of a technical fault, resulting in the continuation of the aircraft's climb with both bleed systems inoperative, which led to a cabin altitude increase to the level of CABIN ALTITUDE HIGH.

Investigation report by the Polish State Commission on Aircraft Accidents Investigation (PKBWL). Original record: https://pkbwl.gov.pl/raporty/2017-2956/. This page is a structured re-presentation; facts and quotes are in the Panstwowa Komisja Badania Wypadkow Lotniczych (PKBWL), Poland.