AD 2014-01-02

final rule
Data completeness: 80%

Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters

AD Number
2014-01-02
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2013-0634
FR Citation
79 FR 4267

Applicability

TypeManufacturerModelDetails
aircraft Eurocopter Deutschland GmbH Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters

Unsafe Condition

Metallic debris in the engine inlet areas could result in failure of an engine, loss of engine power, and subsequent loss of helicopter control.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Visually inspect the upper bearing for corrosion, leaking grease, condensation, or water. If condensation is found but no other issues, repeat the inspection at intervals not to exceed 25 hours TIS. If no issues are found, repeat the inspection at intervals not to exceed 100 hours TIS. If corrosion, leaking grease, or water is found, deactivate the air conditioning system.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 25 hours time-in-service (TIS)

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Eurocopter Deutschland GmbH Model EC135P2+ and EC135T2+ helicopters, serial numbers 870, 872, 873, 879, 883, 884, 888, 893, 900, 905, 911, 914, 916, 917, 923, and 926, with a mechanical air conditioning system compressor bearing block upper bearing (upper bearing) part number L210M1872105 installed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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