NTSB recommends larger drain holes in Citation Excel tails

The U.S. NTSB recommends the FAA to issue an airworthiness directive to require that all Cessna 560XL operators comply with Cessna service letter 560XL-53-08, which asks operators to drill a drain hole in the bulkhead. The National Transportation Safety Board (NTSB)  issued this recommendation in the light of the investigation of three incidents involving Cessna 560XL Citation Excel […]