Delta A332 near Toronto on May 20th 2017, engine vibrations
Last Update: May 30, 2017 / 20:16:47 GMT/Zulu time
Incident Facts
Date of incident
May 20, 2017
Classification
Incident
Cause
Engine vibrations
Airline
Delta Airlines
Flight number
DL-135
Departure
Amsterdam, Netherlands
Destination
Detroit, United States
Aircraft Registration
N861NW
Aircraft Type
Airbus A330-200
ICAO Type Designator
A332
The occurrence aircraft remained on the ground in Toronto for 32 hours, then positioned to Detroit and resumed service another 16 hours after landing in Detroit.
The aircraft became involved into two more engine related occurrences, see Incident: Delta A332 near Amsterdam on May 24th 2017, repeated engine stalls and wing anti ice faults and Incident: Delta A332 over Atlantic on May 26th 2017, engine problem.
On May 30th 2017 the Canadian TSB reported the aircraft was enroute at FL400 when the aircraft encountered light turbulence, the crew decided to descend the aircraft to FL340 at 500 fpm. Afterwards the crew observed two compressor stalls on the right hand engine. The flight crew reduced the engine to idle before advancing the thrust lever to the climb detent again, at which point the engine stalled a third time. The pilot flying reduced the engine to idle for the remainder of the flight, the engine showing normal indications, and diverted to Toronto for a safe landing. Maintenance performed a borescopic examination of the engine with no abnormal findings. A power assurance test was found normal. There was no history of engine stalls in the 30 days prior to the occurrence, the aircraft was therefore returned to service. The TSB annotated: "Additional troubleshooting and inspections may occur once the aircraft returns to the operator's maintenance base."
Aircraft Registration Data
Incident Facts
Date of incident
May 20, 2017
Classification
Incident
Cause
Engine vibrations
Airline
Delta Airlines
Flight number
DL-135
Departure
Amsterdam, Netherlands
Destination
Detroit, United States
Aircraft Registration
N861NW
Aircraft Type
Airbus A330-200
ICAO Type Designator
A332
This article is published under license from Avherald.com. © of text by Avherald.com.
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