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AirInsight • Addison Schonland

777-9 Rework Affects ~30 Jets—Planned Design Incorporation, Not a New Failure, as Certification Progress Continues

Boeing says planned change incorporation from the 777-9 rework programme is affecting roughly 30 jets, but it frames the work as a planned design update rather than a fresh failure. Certification progress continues, yet the 2027 delivery timeline remains tightly constrained by rework and certification milestones.

2026-04-27T07:23:08.349402-07:00

Boeing

Boeing Q1 2026: Revenue up 14% to $22.2B, record $695B backlog; 777X FAA TIA 4A testing step toward 2027 delivery

2026-04-22T04:35:30.738119-07:00

AirInsight

Boeing’s 2026 certification juggling act: 777-9 near-term flight entry alongside tight MAX 7/10 approval windows

2026-04-20T06:04:42.469203-07:00

The Air Current

FAA clears Boeing 777‑9 to begin Phase 4A certification testing

2026-03-18T09:54:44.492197-07:00

News Timeline

AirInsight

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777-9 Rework Affects ~30 Jets—Planned Design Incorporation, Not a New Failure, as Certification Progress Continues Boeing says planned change incorporation from the 777-9 rework programme is affecting roughly 30 jets, but it frames the work as a planned design update rather than a fresh failure. Certification progress continues, yet the 2027 delivery timeline remains tightly constrained by rework and certification milestones.

2026-04-27T07:23:08.349402-07:00

777-9 Rework Affects ~30 Jets—Planned Design Incorporation, Not a New Failure, as Certification Progress Continues

Boeing

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Boeing Q1 2026: Revenue up 14% to $22.2B, record $695B backlog; 777X FAA TIA 4A testing step toward 2027 delivery Boeing reported first-quarter 2026 revenue up 14% to $22.2 billion and delivered 143 aircraft, while tightening first-quarter losses to a $7.0 million net loss. The backlog hit a record $695 billion (including 6,100+ commercial jets), and the 777X received FAA approval to start the TIA 4A Phase of flight testing, targeting first delivery in 2027.

2026-04-22T04:35:30.738119-07:00

Boeing Q1 2026: Revenue up 14% to $22.2B, record $695B backlog; 777X FAA TIA 4A testing step toward 2027 delivery

AirInsight

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Boeing’s 2026 certification juggling act: 777-9 near-term flight entry alongside tight MAX 7/10 approval windows Boeing is simultaneously running two certification tracks into 2026: the 777-9’s production flight and the narrow, time-sensitive approval windows for the 737 MAX 7 and MAX 10. The company’s schedule has limited tolerance for delays as it manages regulatory and operational hand-in-hand.

2026-04-20T06:04:42.469203-07:00

Boeing’s 2026 certification juggling act: 777-9 near-term flight entry alongside tight MAX 7/10 approval windows

Leeham News

FAA decision on extending 777F Classic production pushed past May 1 as Boeing seeks rule exemption Boeing will not receive an FAA decision by May 1 on its request to exempt the 777F Classic freighter from an international rule that would otherwise constrain continued production. The delay keeps certification and production-schedule clarity for the 777X freighter roadmap in limbo.

2026-04-16T13:12:41.063156-07:00

FAA decision on extending 777F Classic production pushed past May 1 as Boeing seeks rule exemption

Air Data News

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Boeing 777-9 completes maximum-energy rejected-takeoff brake test at Edwards AFB Boeing's 777-9 completed a maximum-energy rejected-takeoff brake test at Edwards AFB, simulating a worst-case RTO at max takeoff weight and roughly 190 kt. Brakes reached about 2,500°F (≈1,371°C) during the high-speed stop — a key validation milestone in the 777X certification campaign.

2026-04-06T01:36:52.046730-07:00

Boeing 777-9 completes maximum-energy rejected-takeoff brake test at Edwards AFB

AirInsight

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FAA Phase 4A Clears Boeing 777‑19 for Extended Testing, Turns 2027 EIS into a Scheduling Race FAA Phase 4A approval authorises Boeing's 777‑19 to begin intensive 'for‑score' ground and flight testing, shifting the programme's 2027 entry‑into‑service from a technical unknown to a scheduling race. The move reduces technical uncertainty but puts pressure on test throughput, supplier readiness and delivery sequencing ahead of 2027.

2026-03-30T05:55:51.485342-07:00

FAA Phase 4A Clears Boeing 777‑19 for Extended Testing, Turns 2027 EIS into a Scheduling Race

Reuters

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Korean Air finalises $36.2bn order for 103 Boeing jets — 20 777-9s, 25 787-10s, 50 737-10s and eight 777-8 freighters Korean Air’s board has approved a firm order for 103 Boeing aircraft — 20 777-9, 25 787-10, 50 737-10 and eight 777-8 freighters — at roughly $36.2 billion list price, with deliveries scheduled from 2026 through 2039 and a separate proposal for 21 spare engines.

2026-03-26T02:19:49.690265-07:00

Korean Air finalises $36.2bn order for 103 Boeing jets — 20 777-9s, 25 787-10s, 50 737-10s and eight 777-8 freighters

Air Data News

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First Boeing 777-8F Enters Final Assembly at Everett, Aiming Directly at the A350F Boeing has started final assembly of the first 777-8 Freighter at its Everett plant, completing wing-to-fuselage mating and beginning systems and wiring installation in forward and aft fuselage sections. The milestone advances Boeing's next‑generation freighter meant to compete directly with the Airbus A350F.

2026-03-24T14:58:44.655504-07:00

First Boeing 777-8F Enters Final Assembly at Everett, Aiming Directly at the A350F

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777X News

777-9 Rework Affects ~30 Jets—Planned Design Incorporation, Not a New Failure, as Certification Progress Continues

Boeing Q1 2026: Revenue up 14% to $22.2B, record $695B backlog; 777X FAA TIA 4A testing step toward 2027 delivery

Boeing’s 2026 certification juggling act: 777-9 near-term flight entry alongside tight MAX 7/10 approval windows

FAA clears Boeing 777‑9 to begin Phase 4A certification testing

News Timeline