UTAir Ukraine AT42 at Kiev on Mar 4th 2013, rejected takeoff

Last Update: July 13, 2013 / 18:59:21 GMT/Zulu time

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Incident Facts

Date of incident
Mar 4, 2013

Classification
Incident

Cause
Rejected takeoff

Airline
UTAir Ukraine

Flight number
QU-508

Departure
Kiev Zhulhany, Ukraine

Destination
Lugansk, Ukraine

Aircraft Registration
UR-UTF

Aircraft Type
ATR ATR-42

ICAO Type Designator
AT42

A UTAir Ukraine Avion de Transport Regional ATR-42-300, registration UR-UTF performing flight QU-508 from Kiev Zhulhany to Lugansk (Ukraine), was accelerating for takeoff when starting at 37 knots the parameters of left and right hand engine began to differ with the left hand engine showing less torque but higher InterTurbine Temperatures. The crew began to assess the situation until the commander decided to reject takeoff at about 90 knots (V1=103 knots), the aircraft reached a maximum speed of 96 knots. The aircraft slowed safely and returned to the apron.

Ukraine's State Aviation Service reported in their (delayed) monthly bulletin for March, that a subsequent engine run showed normal engine parameters for both engines. Upon recommendation by the airport engineering staff the engine was examined in more detail and a soft cover of dark green colour was found in the air intake. A following investigation established that the soft cover had been used as engine cover not meeting regulatory requirements, which require such engine covers to be red and feature a red pennant. The flight crew should verify that the air intakes are free of any foreign objects, the dark green colour, darkness and the lack of a step ladder however prevented the detection of the cover. The investigation determined that the input guide vanes of the left hand engines were blocked by the foreign object preventing the engine to accelerate normally but increase the temperature to critical values. The occurrence was rated a serious incident as result of the investigation.
Incident Facts

Date of incident
Mar 4, 2013

Classification
Incident

Cause
Rejected takeoff

Airline
UTAir Ukraine

Flight number
QU-508

Departure
Kiev Zhulhany, Ukraine

Destination
Lugansk, Ukraine

Aircraft Registration
UR-UTF

Aircraft Type
ATR ATR-42

ICAO Type Designator
AT42

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