On 6 December 2013, a Boeing 737-800 passenger aircraft was flown from Amman to Dubai out of revenue service with a quantity of 'live' boxed chemical oxygen generators on board as cargo without the awareness of the aircraft commander. The subsequent Investigation found that this was possible because of a wholesale failure of the aircraft operator to effectively oversee operational risk implicit in sub contracting heavy maintenance. As a result of the investigation, a previously unreported flight by the same operator in revenue service which had also carried live oxygen generators was disclosed.
Description
On 6 December 2013, a Boeing 737-800 (A6-FEB) being operated by FlyDubai on non-revenue positioning flight from Amman to Dubai with only the two flight crew on board was subsequently found to have arrived at destination with undeclared Dangerous Goods of a type which was prohibited from carriage on a passenger aircraft - chemical oxygen generators - in the hold.
Investigation
An Investigation was carried out by the UAE General Civil Aviation Authority Air Accident Investigation Sector. It was noted that the Operator did not hold regulatory approval to transport dangerous goods on any of their aircraft and the flight crew of the specific aircraft involved had been unaware that dangerous goods had been loaded on board their aircraft.
It was established that the aircraft in question was returning to Dubai following a 'C' Check which had been carried out by JorAMco, an AMO based in Amman, Jordan. In addition to the Check, a modification to the passenger seating configuration had been carried out which included a requirement to remove three sets of triple economy seats and their associated equipment. The latter included the corresponding PSUs, each of which contained a chemical oxygen generator. The three removed PSU assemblies, which had been tagged as serviceable on removal, were brought to the AMO stores, logged into a computerised parts tracking system and then wrapped individually and boxed. These boxes were then placed with similar boxes containing the PSU assemblies that had been removed from eight other previously modified FlyDubai aircraft making a total of twenty-seven altogether.
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