Sunwing B738 enroute on Jan 17th and Jan 18th 2015, stabilizer out of trim on three consecutive flights
Last Update: January 27, 2015 / 23:44:01 GMT/Zulu time
Incident Facts
Date of incident
Jan 27, 2015
Classification
Incident
Airline
Sunwing Airlines
Flight number
WG-585
Departure
Vancouver, Canada
Destination
Cancun, Mexico
Aircraft Registration
C-FLSW
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
The Canadian TSB reported maintenance inspected and tested the system but did not identify any anomaly. The aircraft was returned to service.
The aircraft departed for flight WG-586 to Vancouver and was enroute, when the crew again received the "Stab out of trim" indication, declared PAN again and continued to Vancouver for a safe landing.
The Canadian TSB reported maintenance performed a BITE test and identified the stab trim motor (STM) as source of the fault. The STM was replaced, the system tested and the aircraft returned to service.
On Jan 18th the aircraft departed for flight WG-597 to Cancun and was enroute when the crew again received a "Stab out of trim" indication, declared Mayday and continued to destination for a safe landing.
The Canadian TSB reported that maintenance replaced the flight control computer as well as the STM and returned the aircraft to service. During the pre flight checks for the next flight the crew noticed the trim would not work if a nose up trim was commanded from either captain's or first officer's yoke, while the nose down trim would work normally (the TSB annotated that the pre flight checks were reported okay on the previous two flights). Maintenance went into troubleshooting again and identified a trailing edge flap limit switch (S245) at fault. The switch was replaced. The TSB concluded the report that there were no further occurrences during the next flights of the aircraft.
Aircraft Registration Data
Aircraft registration data reproduced and distributed with the permission of the Government of Canada.
Incident Facts
Date of incident
Jan 27, 2015
Classification
Incident
Airline
Sunwing Airlines
Flight number
WG-585
Departure
Vancouver, Canada
Destination
Cancun, Mexico
Aircraft Registration
C-FLSW
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
This article is published under license from Avherald.com. © of text by Avherald.com.
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