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| Date: | Tuesday 5 November 2024 |
| Time: | 21:05 |
| Type: |  Boeing 767-322ER (WL) |
| Owner/operator: | United Airlines |
| Registration: | N661UA |
| MSN: | 27158/507 |
| Year of manufacture: | 1993 |
| Fatalities: | Fatalities: 0 / Occupants: 157 |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Category: | Incident |
| Location: | 95 nm N of Montreal, QC -
 Canada
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Chicago-O'Hare International Airport, IL (ORD/KORD) |
| Amsterdam-Schiphol International Airport (AMS/EHAM) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
United Airlines flight UA909, a Boeing 767-322ER, was in cruise at FL330 over Quebec, Canada when the crew received an EICAS message "C HYD QTY" (Central Hydraulic Quantity). The crew declared an emergency and, in coordination with flight dispatch, decided to return to ORD, where the aircraft landed without incident.
A post-flight inspection revealed a hydraulic fluid leak in the flap system.
Sources:
TSB
History of this aircraft
Other occurrences involving this aircraft
| 25 February 1997 | N661UA | United Airlines | 0 | San Francisco, CA |  |
non |
| Turbulence | ||||||
| 17 October 2022 | N661UA | United Airlines | 0 | London-Heathrow Airport (LHR/EGLL) |  |
unk |
| Bird strike | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Nov-2024 13:28 | ASN | Added |
| 24-Nov-2024 13:28 | ASN | Updated [Source, ] |
Corrections or additions? ... Edit this accident description
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