Airworthiness directives › 2018-04-01
AD 2018-04-01 Airworthiness Directives; Airbus Airplanes
Models named: A320-271N, A321-271N, A321-272N. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Model A320-271N, A321-271N, and A321-272N airplanes, certificated in any category, all manufacturer serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purpose of this AD, affected engines are International Aero Engines Model PW1127G-JM, PW1127GA-JM, PW1130G-JM, PW1133G-JM, and PW1133GA-JM engines, having engine serial numbers P770450 and subsequent.
Unsafe condition
This AD was prompted by reports of two engine in-flight shutdowns (IFSDs) and two rejected takeoffs. We are issuing this AD to address a high-pressure compressor (HPC) rear hub knife edge seal fracture, which could lead to a sudden increase in high rotor vibration and stall in certain PW1100G-JM engines, and consequent IFSDs or rejected takeoffs.
Affected ADs
None.
Read the original on the Federal Register →
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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