Cessna Citation CJ4 series airworthiness directives

• AD 2017-22-14

  Effective 2017-12-20

  Rockwell Collins, Inc. Traffic Surveillance System Processing Unit

  This AD was prompted by five instances of air traffic control observing coasting (extrapolated stale data) automatic dependent surveillance-broadcast data (ADS-B position/velocity data) on a related Rockwell Collins, Inc. platform that shares a common architecture with the TSS-4100 Traffic Surveillance System Processing Units.

  Rockwell Collins, Inc. TSSA-4100 Field Loadable Software (FLS) Rockwell Collins part numbers (RCPNs) 810-0052-002, -003, -010, - 011, -012, -100, or -101 found on TSS-4100 Traffic Surveillance System Processing Units, (RCPN) 822-2132-001 installed on airplanes. (1) The FLS RCPNs 810-0052-002, -003, -010, -011, -012, -1...

• AD 2011-21-51

  Effective 2011-11-01

  Cessna Aircraft Company Airplanes

  This AD was prompted by a report of a battery fire that resulted after an energized ground power unit was connected to one of the affected airplanes equipped with a lithium-ion battery as the main aircraft battery.

  This AD applies to Cessna Aircraft Company (Cessna) Model 525C airplanes, serial numbers 0001 through 0052, that: (1) Have a lithium-ion battery, Cessna part number (P/N) 9914788-1, installed as the main aircraft battery; and (2) are certificated in any category.

• AD 99-07-04

  Effective 1999-05-24

  Williams International, L.L.C. FJ44-1A Turbofan Engines

  To prevent high pressure turbine (HPT) disk rim failure, which could result in an uncontained engine failure and damage to the aircraft.

  Williams International, L.L.C. FJ44-1A turbofan engines, installed on but not limited to Cessna 525 series aircraft.

Cessna Citation CJ4 series: price, specs and every tail

AD data from the Federal Register and the FAA. Data: Radar, FAA aircraft registry file of 2026-10-09.