Airworthiness Directive · Amendment 39-19315 · Turbine engine compressor section
International Aero Engines Turbofan Engines
This AD applies to International Aero Engines (IAE) PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1-JM, and PW1122G-JM turbofan engines with serial numbers (S/Ns) up to and including S/N 770735.
We are adopting a new airworthiness directive (AD) for certain International Aero Engines (IAE) PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1-JM, and PW1122G-JM turbofan engines. This AD requires a one-time visual inspection of the engine fan hub for damage, and removal of parts if damage or defects are found that are outside the serviceable limits. This AD was prompted by reports of damage to the engine fan hub. We are issuing this AD to address the unsafe condition on these products.
Within 90 days after the effective date of this AD:
(1) For engines installed on an airplane, perform a visual inspection of the engine fan hub, in accordance with the Accomplishment Instructions, paragraphs 1.E.(1) to 1.E.(4), of Pratt & Whitney (PW) Service Bulletin (SB) PW1000G-C-72-00-0104-00A-930A-D, Issue No. 002, dated May 31, 2018.
(2) For engines not installed on an airplane, perform a visual inspection of the engine fan hub, in accordance with the Accomplishment Instructions, paragraphs 2.D.(1) to 2.D.(4), of PW SB PW1000G-C-72-00-0104-00A-930A-D, Issue No. 002, dated May 31, 2018.
(3) If the engine fan hub visual inspection reveals defects or damage to the engine fan hub that are found outside the serviceable limits specified in Table 3 in the Accomplishment Instructions of PW SB PW1000G-C-72-00-0104-00A-930A-D, Issue No. 002, dated May 31, 2018, remove the engine fan hub from service and replace with a part that is eligible for installation, prior to further flight.
