Airworthiness directives › 2011-24-11
AD 2011-24-11 Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Applicability*9
This AD applies to Honeywell International Inc. ALF502L-2C, ALF502R-3, ALF502R-3A, ALF502R-5, LF507-1F, and LF507-IH turbofan engines with any of the second stage high pressure compressor (HPC2) discs, part number (P/N) 2-101-332-12, serial numbers (S/N) listed in Table 2 of Honeywell International Inc. Service Bulletin (SB) No. ALF/LF-72-1113, dated September 16, 2011, installed.
Compliance
Remove from service HPC2 discs, P/N 2-101-332-12, S/Ns listed in Table 2 of Honeywell International Inc. SB No. ALF/LF-72-1113, dated September 16, 2011.
Required actions
The Manager, Los Angeles Aircraft Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19.
Unsafe condition
Comply with this AD before accumulating 4,500 cycles-since-new on the affected HPC2 disc, or before exceeding 7 years after the effective date of this AD, whichever occurs first, unless already done.
Affected ADs
None.
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