Red Wings T204 at Moscow on Dec 29th 2012, thrust reverser did not correctly open on landing
Last Update: January 18, 2013 / 19:10:11 GMT/Zulu time
Incident Facts
Date of incident
Dec 29, 2012
Classification
Incident
Airline
Red Wings
Flight number
WZ-9756
Departure
Rimini, Italy
Destination
Moscow Vnukovo, Russia
Aircraft Registration
RA-64049
Aircraft Type
TUPOLEV Tu-214
ICAO Type Designator
T204
70 minutes later sister ship RA-64047 suffered an accident overrunning Vnukovo's runway 19, see Accident: Red Wings T204 at Moscow on Dec 29th 2012, overran runway on landing.
Rosaviatsia reported on Jan 17th 2013, that the thrust reverser sleeve of RA-64049's right hand engine did not slide into the reverse thrust position.
RA-64049 had already been involved in a runway overrun of about 300 meters 9 days earlier, see Incident: Red Wings T204 at Novosibirsk on Dec 20th 2012, runway excursion on landing.
On Dec 31st 2012 Rosaviatsia released a modification to aircraft operations manual requiring flight crew to apply reverse thrust only if the engine is operating (stating application of reverse thrust is prohibited on a malfunctioning engine). To apply reverse thrust the engine should be pulled to idle for 1-2 seconds, then command reverse thrust at minimum thrust, verify yellow "thrust reverser unlocked" followed by green "REV" indications appear, only then apply high reverse thrust. Rosaviatsia reported there have been a number of cases where the green "REV" indication did not appear (editorial note: there have been rumours since the Dec 20th overrun, that the crew had applied reverse thrust, the reverser however had not opened and at least one of the engine was delivering full forward thrust instead).
On Jan 13th 2013 Rosaviatsia enhanced the airworthiness directive released on Dec 31st 2012 (see paragraph above) demanding operators to check their TU-204 aircraft for proper fitting of cam locks on the thrust reversers. If there are gaps corrective adjustments according to maintenance manuals are to be made. Verify the thrust lever locks preventing maximum reverse thrust application without thrust reversers in their deployed position are working properly by gently releasing the fluid pressure in the reverser accumulator and apply minimum reverse thrust. Apply intermediate reverse thrust and check the locks have engaged. Adjust the maximum position of the levers with the lock engaged according to manual. Report all findings, positive or negative, to Rosaviatsia at the latest on Jan 16th 2013.
Incident Facts
Date of incident
Dec 29, 2012
Classification
Incident
Airline
Red Wings
Flight number
WZ-9756
Departure
Rimini, Italy
Destination
Moscow Vnukovo, Russia
Aircraft Registration
RA-64049
Aircraft Type
TUPOLEV Tu-214
ICAO Type Designator
T204
This article is published under license from Avherald.com. © of text by Avherald.com.
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