U.S. and European legislators have asked Boeing to revise documentation on its intended 737 MAX software repair, the plane manufacturer confirmed Wednesday, further hampering its efforts to return the jet to service by year-end.
The world’s largest plane manufacturer had submitted documentation in a vital part of an approval procedure, already postponed by months, for a 737 MAX software improve in the wake of two accidents in Indonesia and Ethiopia that killed 346 people.
U.S. Federal Aviation Administration and European Union Aviation Safety Agency officers flagged plenty of issues over the weekend at a Rockwell Collins center in Cedar Rapids, Iowa, throughout a documentation audit of how the brand new software was developed, sources said.
Boeing and legislators will return to Iowa at a yet-to-be-decided date to finish the audit, the delegates stated.
Boeing spoke person Gordon Johndroe stated Wednesday the corporate “provided technical documentation to the regulators as a part of the software program validation course. The documentation was complete, and it was presented in a format in line with earlier submissions. Governors have asked the information to be conveyed in a distinct form, and the documentation is being updated accordingly.”
One source briefed on the matter characterized the problem differently and stated Boeing’s documents had gaps, was substandard, and meant regulators couldn’t complete the audit, a vital step before the airplane will be certified to return to service.
The person mentioned it might take “weeks” to satisfy regulators in a worst-case state of affairs, although Boeing believes it may handle the omissions in a matter of days.
The extent of the delays brought on by the documentation necessities was not instantly clear. There was no evidence of any need to revise the software program package based on the audit, sources stated.
Boeing is ramping up the number of people assigned to deal with the software program documentation, a source stated. Boeing shares ended down about 1%.