Today's Globe and Mail carries an exclusive by Graeme Smith, which reports that, five days before the dead-stick landing in the Azores, a senior Air Transat mechanic advised his supervisor that the aircraft was not yet ready for line flight because not all the work associated with an engine change had been completed. He was overruled by his (non-union) supervisor and the aircraft was released for duty. The mechanic recorded his conversation with his boss on tape. An AT spokesperson confirmed that the supervisor was suspended with pay last week.
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