Airworthiness directives › 2013-06-06
AD 2013-06-06 Airworthiness Directives; General Electric Company Turbofan Engines
Applicability*9
This AD applies to General Electric Company (GE) CF34-8C1, CF34-8C5, CF34-8C5A1, CF34-8C5A2, CF34-8C5A3, CF34-8C5B1, CF34-8E2, CF34-8E2A1, CF34-8E5, CF34-8E5A1, CF34-8E5A2, CF34-8E6, and CF34-8E6A1 turbofan engines, with an operability bleed valve (OBV) part number (P/N) 4121T67P02, P/N 4121T67P03, P/N 4121T67P04, parts manufacturer approval (PMA) P/N 3291552-2, PMA P/N 3291552-3, or PMA P/N 3291552-4, installed.
Compliance
(1) For OBVs with fewer than 6,000 flight hours since new on the effective date of this AD, remove the OBV from service before accumulating 12,000 flight hours since new, or within four years after the effective date of this AD, whichever occurs first. (2) For OBVs with 6,000 or more flight hours since new on the effective date of this AD, remove the OBV from service before accumulating an additional 6,000 flight hours, or within two years after the effective date of this AD, whichever occurs first.
Required actions
The Manager, Engine Certification Office, FAA, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done.
Affected ADs
None.
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