THY B739 at Sofia on Feb 6th 2022, flight control problems

Last Update: March 6, 2022 / 16:33:05 GMT/Zulu time

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Incident Facts

Date of incident
Feb 6, 2022

Classification
Incident

Airline
THY Turkish Airlines

Flight number
TK-1030

Departure
Sofia, Bulgaria

Destination
Istanbul, Turkey

Aircraft Registration
TC-JYF

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

Airport
Sofia Airport, Sofia

Airport ICAO Code
LBSF

A THY Turkish Airlines Boeing 737-900, registration TC-JYF performing flight TK-1030 from Sofia (Bulgaria) to Istanbul (Turkey), was climbing out of Sofia's runway 27 when the crew declared emergency reporting flight control problems, stopped the climb at about 6000 feet and requested to return to Sofia. The controller queried the crew about their indicated airspeed (the crew reported 190 KIAS) and queried whether they were able to fly the aircraft, which the crew affirmed. The controller advised they would be landing back on runway 09 (he several times mentioned runway 27 correcting himself instantly) and vectored the aircraft for an approach to runway 09. The aircraft landed safely at a normal speed on runway 09 about 15 minutes after departure. When queried by the controller after landing the crew advised again they had flight control problems without elaborating further.

The flight was cancelled.

The occurrence aircraft remained on the ground for about 22 hours before positioning back to Istanbul, remained on the ground in Istanbul for another about 8 hours (over night) and resumed service in the morning of Feb 8th.

On Mar 6th 2022 The Aviation Herald received information the flight control problem was a runaway stabilizer trim.

Metars:
LBSF 062200Z 06005KT 8000 NSC M01/M04 Q1016 NOSIG=
LBSF 062130Z VRB03KT CAVOK M00/M04 Q1017 NOSIG=
LBSF 062100Z 17005KT 8000 NSC M01/M04 Q1017 NOSIG=
LBSF 062030Z 21004KT 170V250 8000 NSC M01/M04 Q1018 NOSIG=
LBSF 062000Z VRB02KT CAVOK M01/M03 Q1018 NOSIG=
LBSF 061930Z 07003KT 360V120 9999 FEW051 M00/M04 Q1018 NOSIG=
LBSF 061900Z VRB02KT CAVOK 00/M03 Q1018 NOSIG=
LBSF 061830Z 13003KT 060V180 9999 FEW064 02/M04 Q1019 NOSIG=
LBSF 061800Z 19003KT 150V250 9999 FEW065 02/M03 Q1019 NOSIG=
Incident Facts

Date of incident
Feb 6, 2022

Classification
Incident

Airline
THY Turkish Airlines

Flight number
TK-1030

Departure
Sofia, Bulgaria

Destination
Istanbul, Turkey

Aircraft Registration
TC-JYF

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

Airport
Sofia Airport, Sofia

Airport ICAO Code
LBSF

This article is published under license from Avherald.com. © of text by Avherald.com.
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