N29RT

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N29RT.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to AGUSTAWESTLAND PHILADELPHIA AW139

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

• Dec 27, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is superseding Airworthiness Directive (AD) 2021-20-10 for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2021- 20-10 required removing from service a certain part-numbered main gearbox (MGB) spherical bearing lock nut (lock nut) that is installed on certain part-numbered MGBs and replacing it with a newly designed MGB lock nut. AD 20…

  Federal Register →

• Nov 10, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB139 and AW139 helicopters. This proposed AD was prompted by a report of a damaged tail rotor duplex bearing (TRDB). This proposed AD would require repetitively inspecting certain TRDBs and depending on the results, replacing the TRDB or tail rotor actuator (TRA), or…

  Federal Register →

• Nov 2, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report of smoke and fire in the cockpit. This AD requires inspecting the forward cabin roof ceiling harnesses and installation, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporate…

  Federal Register →

• Jun 22, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a large crack detected on the tail gearbox (TGB) fitting during a scheduled inspection and the determination that certain TGB fittings are required to be inspected by the use of a borescope. This AD requires a one-tim…

  Federal Register →

• Apr 20, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to supersede Airworthiness Directive (AD) 2021-20-10, which applies to certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2021-20-10 requires removing from service a certain part-numbered main gearbox (MGB) spherical bearing lock nut (lock nut) that is installed on certain part-numbered MGBs and replacing it with a newly designed…

  Federal Register →

• Apr 4, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is superseding Airworthiness Directive (AD) 2020-23- 07, which applied to certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2020-23-07 required removing certain life raft reservoirs (reservoirs) from service, inspecting the reservoirs and actuator cables, and depending on the inspection results, replacing the reservoir or adjusting the a…

  Federal Register →

• Mar 21, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This proposed AD was prompted by a large crack detected on the tail gearbox (TGB) fitting during a scheduled inspection and the determination that certain TGB fittings are required to be inspected by the use of a borescope. This propos…

  Federal Register →

• Jan 12, 2022

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to supersede Airworthiness Directive (AD) 2020-23-07, which applies to certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2020-23-07 requires removing certain life raft reservoirs (reservoirs) from service, inspecting the reservoirs and actuator cables, and depending on the inspection results, replacing the reservoir or adjusting…

  Federal Register →

• Dec 14, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by reports of failed main rotor (MR) dampers. This AD requires various inspections of certain MR dampers, as specified in a European Aviation Safety Agency (now European Union Aviation Safety Agency) (EASA) AD, which is…

  Federal Register →

• Nov 2, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by the determination that the requirement to accomplish a rated load check (RTC) on certain hoist assemblies may have been inadvertently left out of some aircraft maintenance publications (AMPs). This AD requires perform…

  Federal Register →

• Oct 18, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report of several occurrences of a cracked main gearbox (MGB) spherical bearing lock nut (lock nut). This AD requires removing from service a certain part-numbered MGB lock nut that is installed on certain part-numb…

  Federal Register →

• Sep 27, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report that, during a post-flight inspection of an in- service helicopter, a tail rotor slider assembly was found fractured, and the bushing and the actuator rod in the tail rotor servo were partially damaged. This…

  Federal Register →

• Sep 14, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is revising an earlier proposal for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This action revises the notice of proposed rulemaking (NPRM) by expanding the required actions. This proposed AD would require various inspections of certain main rotor (MR) dampers, as specified in a European Aviation Safety Agency (now European Union Avi…

  Federal Register →

• Jul 26, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD was prompted by a report of several occurrences of a cracked main gearbox (MGB) spherical bearing lock nut (lock nut). This proposed AD would require removing from service a certain part-numbered MGB lock nu…

  Federal Register →

• Jul 23, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by two events of uncommanded emergency flotation system (EFS) deployment during flight. This AD requires replacing certain part- numbered EFS control panels and prohibits installing them. The FAA is issuing this AD to ad…

  Federal Register →

• Jun 29, 2021

  Airworthiness Directives; Leonardo S.p.a. (Type Certificates Previously Held by Agusta S.p.A. and AgustaWestland S.p.A.) Helicopters

  The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.a. (Type Certificate previously held by Agusta S.p.A.) Model AB139 and AW139 helicopters and Leonardo S.p.a. (Type Certificate previously held by AgustaWestland S.p.A.) Model AW189 helicopters. This AD was prompted by reports of missing lock wire and loose fasteners. This AD requires a…

  Federal Register →

• Jun 25, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139, AW139, and AW189 helicopters. This AD was prompted by a report of the in-flight failure of one of the three stainless steel external rings bonded to the main rotor swashplate boot. This AD requires repetitive inspections of these stainless steel external rings fo…

  Federal Register →

• Jun 24, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and Model AW139 helicopters. This proposed AD was prompted by a report that, during a post-flight inspection of an in-service helicopter, a tail rotor slider assembly was found fractured, and the bushing and the actuator rod in the tail rotor servo were part…

  Federal Register →

• May 25, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This proposed AD was prompted by two events of uncommanded emergency flotation system (EFS) deployment during flight. This proposed AD would require replacing certain part-numbered EFS control panels and prohibit installing them. The F…

  Federal Register →

• Apr 19, 2021

  Airworthiness Directives; Leonardo S.p.a. (Type Certificates Previously Held by Agusta S.p.A. and AgustaWestland S.p.A.) Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for Leonardo S.p.a. (Type Certificate previously held by Agusta S.p.A.) Model AB139 and AW139 helicopters and Leonardo S.p.a. (Type Certificate previously held by AgustaWestland S.p.A.) Model AW189 helicopters. This proposed AD was prompted by reports of missing lock wire and loose fasteners. This…

  Federal Register →

• Feb 25, 2021

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain engine mounting rods from service and prohibits their installation on any helicopter. This AD was prompted by a report of non-conforming engine mounting rods. The actions of this AD are intended t…

  Federal Register →

• Nov 19, 2020

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive for all Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD requires removing certain emergency life raft (raft) reservoirs (reservoirs) from service, inspecting the reservoirs and raft actuator cables (actuator cables), and depending on the inspection results, replacing the reservoir or adjusting the…

  Federal Register →

• Sep 10, 2020

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain main gearbox (MGB) input modules from service. This AD was prompted by the discovery that a batch of duplex bearings, which are installed on the MGB input modules, are defective. The actions of this AD ar…

  Federal Register →

• Jul 9, 2020

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD would require removing certain engine mounting rods from service and prohibit their installation on any helicopter. This proposed AD was prompted by a report of non-conforming engine mounting rods. The actio…

  Federal Register →

• Jun 8, 2020

  Airworthiness Directives; Leonardo S.p.a. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD would require removing certain main gearbox (MGB) input modules from service. This proposed AD was prompted by the discovery that a batch of duplex bearings, which are installed on the MGB input modules, are defecti…

  Federal Register →

• Mar 31, 2020

  Airworthiness Directives; Leonardo S.p.A. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.A. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD would require various inspections of the main rotor (M/R) damper, and depending on the inspection results, removing from service or replacing certain parts. This proposed AD would also require reducing the t…

  Federal Register →

• Nov 24, 2017

  Airworthiness Directives; Agusta S.p.A. Helicopters

  We are superseding Airworthiness Directive (AD) 2014-24-02 for Agusta S.p.A. (Agusta) Model AB139 and AW139 helicopters. AD 2014-24-02 required repetitively inspecting the main rotor (M/R) rotating scissors, removing certain lower half scissor spherical bearings (bearings) from service, and installing a special nut. This new AD revises the inspection requir…

  Federal Register →

• Nov 28, 2014

  Airworthiness Directives; Agusta S.p.A. Helicopters

  We are superseding Airworthiness Directive (AD) 2014-07-51 for AgustaWestland S.p.A. Model AB139 and AW139 helicopters with certain main rotor (M/R) rotating scissors installed. AD 2014-07-51 required repetitively inspecting the M/R rotating scissors for play of the lower half scissor spherical bearing (bearing) and removing the bearing if there was play be…

  Federal Register →

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

• FAA Aircraft Registry →

  Refreshed May 5, 2026

  Available

• NTSB CAROL →

  Refreshed May 5, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed May 5, 2026

  Available

• FAA Service Difficulty Reports →

  Refreshed May 5, 2026

  Unavailable

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.