LOT B788 near Toronto on Sep 28th 2013, technical problems

Last Update: October 1, 2013 / 15:36:30 GMT/Zulu time

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Incident Facts

Date of incident
Sep 28, 2013

Classification
Incident

Flight number
LO-42

Destination
Warsaw, Poland

Aircraft Registration
SP-LRA

ICAO Type Designator
B788

A LOT Polish Airlines Boeing 787-800, registration SP-LRA performing flight LO-42 from Toronto,ON (Canada) to Warsaw (Poland), was climbing out of Toronto when the crew stopped the climb at FL270 but decided to continue the flight in the general direction towards Warsaw. The aircraft entered an enroute hold at FL270 just before entering Oceanic Airspace near the Hudson Strait, after leaving the hold continued at FL270 into Oceanic Airspace and across Greenland. The aircraft was about 130 nm westsouthwest of Keflavik (Iceland) when the crew initiated the diversion to Keflavik, where the aircraft landed safely on runway 20 about 6 hours after departure from Toronto.

The airline reported that the transponder of the aircraft malfunctioned prompting Norway to not permit overflight of the aircraft.

Radar data show the Mode-S transponder of the aircraft, including position reporting, worked without flaw throughout the flight.

A passenger said, the departure was delayed by one hour, then another hour and once again another hour due to mechanics working on the aircraft. The passenger was told before departure from Toronto that the flight was planned at FL270, unusually low, due to a transponder problem. During the flight the crew came on and announced that Norway had not permitted overflight due to the transponder problem.

NAV Canada did not report any inflight occurrence with the flight suggesting that the flight at FL270 was planned and not the result of an inflight encounter, at the same time suggesting there was no anomaly with the flight observed in Canadian Airspace.

Two replacement aircraft, a Boeing 737-400 registration SP-LLF as flight LO-9003 and an Embraer ERJ-190 registration SP-LND as flight LO-9001 have been dispatched from Warsaw to Keflavik to take the passengers of SP-LRA to Warsaw.

The aircraft actually experienced temporary loss of transponder signal and failure of the other transponder on approach to Toronto, see Incident: LOT B788 at Toronto on Sep 28th 2013, transponder problem.
Incident Facts

Date of incident
Sep 28, 2013

Classification
Incident

Flight number
LO-42

Destination
Warsaw, Poland

Aircraft Registration
SP-LRA

ICAO Type Designator
B788

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