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| Date: | Tuesday 23 July 2024 |
| Time: | 13:27 |
| Type: |  ATR 42-600 |
| Owner/operator: | Loganair |
| Registration: | G-LMSA |
| MSN: | 1213 |
| Year of manufacture: | 2017 |
| Engine model: | P&W Canada PW127XT |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | N of Aberdeen -
 United Kingdom
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Sumburgh Airport, Shetland Islands (LSI/EGPB) |
| Glasgow International Airport (GLA/EGPF) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Whilst in the cruise, the aircraft suffered a contained failure of the No 1 engine and a subsequent fire inside its cowlings due to a leak from the fuel return line which had become sufficiently loose following the engine failure to result in fuel leakage. The flight crew correctly followed the checklist procedures to shut down the engine, and the fire was extinguished. The aircraft landed without further incident.
Although this is the only known instance of this fuel line becoming loose, the aircraft manufacturer has commenced a safety review to identify any possible safety actions which would further reduce the likelihood of leakage from the fuel return line.
Accident investigation:
 |
|
Sources:
https://assets.publishing.service.gov.uk/media/6848390196e63bce58e4e6cd/ATR_42-500_G-LMSA_07-25.pdf
https://bea.aero/les-enquetes/evenements-notifies/detail/incident-grave-survenu-a-un-atr42-exploite-par-loganair-ltd-le-23-07-24-a-aberdeen/
https://www.flightradar24.com/data/flights/lm436#364968de
Images:
GLA 24/07/2023
Media:
Loganair flight LM436 landing with a single engine after being diverted to Aberdeen today! Big response from the emergency crews but looks to be safely on the ground. @airlivenet #aviationdaily pic.twitter.com/CwFMqjquea
— Steven Shanks (@stevenzop) July 23, 2024
We have published a report into a serious incident involving an ATR 42-500 (G-LMSA), engine failure during cruise, north-east of Aberdeen International Airport, 23 July 2024https://t.co/Tarwjjhky5 #Aviation #AviationSafety #CommericalAirTransport
— AAIB (@aaibgovuk) June 19, 2025
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Jul-2024 13:18 | ASN | Added |
| 23-Jul-2024 13:21 | ASN | Updated [Location, Embed code, Narrative, ] |
| 23-Jul-2024 19:44 | Daveruss | Updated [Photo, ] |
| 02-Aug-2024 17:23 | Anon. | Updated [Source, ] |
| 19-Jun-2025 20:48 | Justanormalperson | Updated [Source, Damage, Narrative, ] |
| 19-Jun-2025 20:48 | Justanormalperson | Updated [Accident report, ] |
| 21-Jun-2025 12:40 | Dr. John Smith | Updated [Embed code, ] |
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