Friday 22 July 2016

Incident: Condor B763 at Halifax on Jun 28th 2016, uncommanded roll

By Simon Hradecky, created Tuesday, Jul 19th 2016 19:20Z, last updated Thursday, Jul 21st 2016 20:03Z
A Condor Boeing 767-300, registration D-ABUM performing flight DE-2414 from Frankfurt/Main (Germany) to Halifax,NS (Canada), was on approach to Halifax when the crew noticed some uncommanded roll of the aircraft that was countered. The aircraft continued for a safe landing on Halifax's runway 23.

A passenger booked onto the return flight DE-2415 reported on Jun 30th 2016 that the captain announced in the waiting lounge, that the aircraft had shown a 2 degrees uncommanded roll during the approach to Halifax, the cause of which could not be determined. The return flight therefore was unable to depart on this aircraft, a replacement Boeing 757 would arrive and take the passengers to Frankfurt. The passengers were taken to hotels and departed the following day.

A replacement Boeing 757-300 registration D-ABOF was dispatched from Frankfurt to Halifax as flight DE-2414 on Jun 29th, departed as flight DE-2415 late Jun 29th and delivered the passengers booked onto the return flight to Frankfurt on Jun 30th with a delay of 27 hours.

The occurrence aircraft remained on the ground for 3 days, then departed as flight DE-2415 on Jul 1st 2016 and resumed service. The aircraft suffered a hydraulic failure 2 days later, see Incident: Condor B763 near Chania on Jul 3rd 2016, hydraulic failure.

According to preliminary information The Aviation Herald was able to obtain on Jul 19th 2016 a minor uncommanded aileron movement was identified.

On Jul 21st 2016 the Canadian TSB reported the crew observed slight uncommanded aileron movements. The aircraft continued to fly normally resulting in a safe landing. Maintenance replaced both left hand inboard aileron Power Controlled Actuators, carried out the required testing and returned the aircraft to service.