Boeing as well as an essential vendor say that a new manufacturing imperfection can postpone deliveries of the 737 Max, Boeing’s very successful airplane.

Boeing and Spirit Aero Systems said they discovered poorly drilled fastener openings in the aft pressure bulkhead– which maintains stress when aircrafts are at cruising altitude– on the bodies of some versions of the 737 Max.

Wichita, Kansas-based Spirit claimed late Wednesday since it utilizes multiple vendors, only some devices are impacted as well as it will certainly remain to supply fuselages to Boeing.
Boeing stated the concern does not influence safety and security of trip, and also 737 Max planes already in service can keep flying.

“This issue will affect near-term 737 deliveries as we conduct examinations to identify the number of planes impacted, as well as complete required rework on those planes,” Boeing said in a declaration. “We continue to provide 737s that are not influenced.”

Aircraft suppliers have actually duke it outed supply concerns in the last few years. Spirit Aero Systems builds the body for Boeing’s 737 Max narrow body jet as well as significant sections of aircraft bodies in other Boeing designs. The company develops parts for Airbus aircraft as well.

The imperfection, in which some bolt openings were located to be lengthened is a setback in Boeing’s strategy to provide 400 to 450 Max jets this year, and also “some descending revision promises,” claimed Cowen aerospace expert Cai von Rumohr.

The analyst said that Boeing has supplied only 17 737s in August, compared with 32 in July. Boeing gets about 60% of the plane’s acquisition rate upon delivery, so every hold-up of 10 deliveries pushes back capital by about $300 million– plus the cost of examinations and therapeutic job– von Rumohr said.

In April, Boeing warned that manufacturing and delivery of a “substantial number” of its 737 Max planes could be delayed due to questions about Spirit Aero Systems’ deal with the fuselages.

All Max planes were grounded worldwide for virtually 2 years after a set of dangerous collisions, and manufacturing problems halted distributions of the bigger 787 jetliner a number of times in the past 3 years.

Shares of Spirit Aero Systems Holdings Inc. were down 14% in mid-day trading Thursday, while Arlington, Virginia-based Boeing Co.’s stock slipped greater than 3%.

Last Updated: 25 August 2023