Airworthiness directives › 2021-03-16
AD 2021-03-16 Airworthiness Directives; Airbus Helicopters
Applicability*9
None.
Compliance
Within 30 hours time-in-service after the effective date of this AD: (1) Inspect the upper rail of each right hand (RH) and left hand (LH) door for parallelism, deformation, corrosion, and cracking. If necessary, adjust the sliding door, ensuring that the parallelism between the sliding door and its frame does not exceed 1.5 mm (.059 in) on a length of 1,200 mm (47.24 in). The frame includes the sliding door, the overhead panel, and the two rear bulkheads. Repair or replace the upper rail before further flight if there is any deformation, corrosion, or cracking. (2) With the sliding door removed, inspect the front roller to determine if it is below the minimum diameter of 17.5 mm (0.69 in), below the minimum height of 17 mm (0.67 in), if it has any corrosion or flat spot, and to determine if it is correctly installed per Figure 1 of Airbus Alert Service Bulletin (ASB) No. AS350-52.00.54 or ASB No. AS355-52.00.32, each at Revision 1 and dated July 30, 2020, as applicable to your helicopter model. If the front roller is below the minimum diameter, below the minimum height, or has any flat spot or corrosion, before further flight, remove the front roller from service. If the front roller was not correctly installed, reinstall it correctly before further flight.
Required actions
(1) The Manager, Strategic Policy Rotorcraft Section, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Fuller, AD Program Manager, Operational Safety Branch, Airworthiness Products Section, General Aviation & Rotorcraft Unit, 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 suggest 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
You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time.
Affected ADs
This AD defines the unsafe condition as an in-flight loss of a sliding door, which could result in damage to the helicopter or injury to persons on the ground.
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