Airworthiness

Quick Answers What does FAA AD 2026-14-07 require for Bell 407 operators? FAA AD 2026-14-07, effective August 21, 2026, requires an initial inspection of the pilot cyclic stick tube assembly on all Bell 407 helicopters with P/N 206-001-342-101 or 206-001-342-101FM installed. Helicopters with 3,600 or more hours time-in-service must then undergo repetitive inspections every 300 … Read more

Quick Answers What does FAA AD 2026-14-03 require for GE GEnx engine operators? FAA AD 2026-14-03, effective August 21, 2026, requires identifying the preform manufacturing lot number of affected fuel tube hoses on GE GEnx-1B and GEnx-2B engines at the next engine shop visit. If the lot number is 684141 or 677536, the hose must … Read more

Quick Answers What does FAA AD 2026-14-09 require for Bombardier Challenger 604 operators? FAA AD 2026-14-09, effective August 18, 2026, supersedes AD 2025-17-12 and adds Challenger 604 serial numbers 6050 through 6192 to the airworthiness limitations requirement. Affected operators must revise their maintenance or inspection program to incorporate the new or more restrictive airworthiness limitations … Read more

Quick Answers What does FAA AD 2026-12-07 require for Boeing 787 operators? FAA AD 2026-12-07, effective July 20, 2026, requires replacing the Mode Control Panel on certain Boeing 787-8, 787-9, and 787-10 airplanes that have MCP part numbers 4091640-901, -902, or -903 installed. The replacement MCP is P/N 4091640-904. An installation test must be performed … Read more

Quick Answers What Boeing 747 variants does FAA AD 2026-13-14 cover? FAA AD 2026-13-14, effective July 1, 2026, covers all Boeing 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, and -400F series airplanes. The 747-8 and 747-8F are not included — they are covered by the separate AD 2026-13-10. How does the 747 … Read more

Quick Answers What does FAA AD 2026-14-01 require for Bombardier Global 7500 operators? FAA AD 2026-14-01, effective August 14, 2026, requires a general visual inspection of fasteners on slat 2 cove rib 6 brackets on certain Bombardier BD-700-2A12 (Global 7500) aircraft. Reports of missing or under-torqued fasteners at this location prompted the AD. On-condition corrective … Read more

Quick Answers What does FAA AD 2026-14-06 require for CFM LEAP-1A engines? FAA AD 2026-14-06, effective July 27, 2026, supersedes AD 2025-21-03 and requires initial and repetitive borescope inspections of HPT rotor stage 1 blades on LEAP-1A engines that have accumulated more than 1,100 South Asia takeoffs. South Asia is defined as Bangladesh, Bhutan, India, … Read more

Quick Reading What is unique about the 5G failure mode for Boeing 747-8 and 777 aircraft? Unlike other Boeing 5G ADs focused on landing distance or automation workload, FAA AD 2026-13-10 identifies that 5G Lower C-Band interference on the 747-8 and 777 may affect pitch control laws — including tail strike protection — that depend … Read more

Quick Reading Which legacy Boeing and McDonnell Douglas aircraft are covered by FAA AD 2026-13-15? FAA AD 2026-13-15, effective July 1, 2026, covers Boeing 707, 717, 727, DC-8, DC-9, DC-10, MD-11, and MD-80/87/88/90-30 series aircraft. It requires AFM Limitations revisions for most variants, with MD-81, MD-82, MD-83, MD-87, MD-88, and MD-90-30 also requiring an AFM … Read more