Airworthiness directives › 2020-19-05
AD 2020-19-05 Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Applicability*9
This AD becomes effective October 8, 2020.
Compliance
A special flight permit may be permitted for a one-time ferry flight to an authorized repair facility.
Required actions
(1) The Manager, Rotorcraft Standards Branch, FAA, may approve AMOCs for this AD. Send your proposal to: Daniel E. Moore, Aviation Safety Engineer, Regulations & Policy Section, Rotorcraft Standards Branch, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817-222-5110; email 9-ASW-FTW-AMOC-Requests@faa.gov. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, the FAA suggests that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC.
Unsafe condition
Within 20 hours time-in-service, inspect both sides of each swashplate assembly bearing (bearing) for staking by following the Accomplishment Instructions, paragraph 4., of Bell Alert Service Bulletin 505-19-13, dated July 2, 2019, except you may use a 10X or higher power magnifying glass. If either side of a bearing is not staked, before further flight, remove the bearing from service.
Affected ADs
This AD defines the unsafe condition as an unstaked swashplate assembly bearing which may migrate out of its bore. This condition could result in restricted control authority, unintended loads on the control system, failure of the control tube or bearing, and subsequent loss of control of the helicopter.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1