Summary
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
It was noticed in production that in the area between frame (FR) C53.9 and FR C55 RH [right-hand], the distance between the route 9R of the In-Flight Entertainment system and the wire harness for the Lower Deck-Mobile Crew Rest system provisions is too small. This limited distance may cause chafing between the affected electrical harness 6581VB and the harness 5495VB or 6938VB. This condition, if not corrected, could lead to the short circuit of wires dedicated to oxygen, which, in case of emergency, could result in a large number of passenger oxygen masks not being supplied with oxygen, possibly causing personal injuries. * * * * *The proposed AD would require actions that are intended to address the unsafe condition described in the MCAI.