80-08-06 R1 GENERAL ELECTRIC COMPANY: Amendment 39-3740 as amended by Amendment 39- 4005. Applies to CJ610-8A and -9 turbojet and CF700-2D and -2D-2 turbofan engines with turbine disks identified by serial numbers below.
To prevent low cycle fatigue failure of turbine disks suspected to have foreign material segregation, accomplish the following within the next 50 cycles.
Remove from service first stage turbine disks, P/N 5011T75P01, and second stage turbine disks P/N 5011T76P01, with serial numbers listed below and replace with serviceable disks:
SERIAL NUMBERS:
FIRST STAGE:
GATWZA 00585
GATWZA 00637
GATWZA 00677
GATWZA 00587
GATWZA 00640
GATWZA 00679
GATWZA 00599
GATWZA 00641
GATWZA 00680
GATWZA 00601
GATWZA 00642
GATWZA 00681
GATWZA 00604
GATWZA 00644
GATWZA 00682
GATWZA 00607
GATWZA 00645
GATWZA 00683
GATWZA 00610
GATWZA 00646
GATWZA 00687
GATWZA 00611
GATWZA 00647
GATWZA 00690
GATWZA 00613
GATWZA 00649
GATWZA 00691
GATWZA 00615
GATWZA 00652
GATWZA 00692
GATWZA 00616
GATWZA 00658
GATWZA 00693
GATWZA 00617
GATWZA 00662
GATWZA 00704
GATWZA 00618
GATWZA 00663
GATWZA 00705
GATWZA 00624
GATWZA 00664
GATWZA 00706
GATWZA 00626
GATWZA 00665
GATWZA 00707
GATWZA 00627
GATWZA 00667
GATWZA 00708
GATWZA 00630
GATWZA 00671
GATWZA 00709
GATWZA 00632
GATWZA 00672
GATWZA 00710
GATWZA 00633
GATWZA 00673
GATWZA 00713
GATWZA 00634
GATWZA 00674
GATWZA 00714
GATWZA 00635
GATWZA 00676
GATWZA 00715
FIRST STAGE:
OJAWZA 11J774-22
OJAWZA 11J796-20
OJAWZA 11J796-01
OJAWZA 11J796-21
OJAWZA 11J796-03
OJAWZA 11J796-23
OJAWZA 11J796-04
OJAWZA 11J796-24
OJAWZA 11J796-05
OJAWZA 11J796-31
OJAWZA 11J796-06
OJAWZA 11J796-32
OJAWZA 11J796-07
OJAWZA 11J796-35
OJAWZA 11J796-08
OJAWZA 11J796-41
OJAWZA 11J796-09
OJAWZA 11J796-42
OJAWZA 11J796-11
OJAWZA 11J796-43
OJAWZA 11J796-13
OJAWZA 11J796-44
OJAWZA 11J796-15
OJAWZA 11J796-45
OJAWZA 11J796-16
SECOND STAGE:
GATWZA 00541
GATWZA 00583
GATWZA 00614
GATWZA 00542
GATWZA 00585
GATWZA 00616
GATWZA 00545
GATWZA 00587
GATWZA 00617
GATWZA 00547
GATWZA 00588
GATWZA 00618
GATWZA 00548
GATWZA 00589
GATWZA 00619
GATWZA 00549
GATWZA 00590
GATWZA 00621
GATWZA 00550
GATWZA 00592
GATWZA 00622
GATWZA 00551
GATWZA 00593
GATWZA 00623
GATWZA 00552
GATWZA 00594
GATWZA 00624
GATWZA 00553
GATWZA 00595
GATWZA 00630
GATWZA 00554
GATWZA 00596
GATWZA 00632
GATWZA 00557
GATWZA 00597
GATWZA 00634
GATWZA 00563
GATWZA 00598
GATWZA 00636
GATWZA 00564
GATWZA 00600
GATWZA 00637
GATWZA 00565
GATWZA 00601
GATWZA 00638
GATWZA 00566
GATWZA 00602
GATWZA 00640
GATWZA 00567
GATWZA 00604
GATWZA 00642
GATWZA 00570
GATWZA 00605
GATWZA 00643
GATWZA 00571
GATWZA 00607
GATWZA 00646
GATWZA 00574
GATWZA 00609
GATWZA 00648
GATWZA00575
GATWZA 00610
GATWZA 00649
GATWZA 00577
GATWZA 00611
GATWZA 00651
GATWZA 00580
GATWZA 00612
GATWZA 00581
GATWZA 00613
SECOND STAGE:
OJAWZA 11J781-01
OJAWZA 11J781-19
OJAWZA 11J781-02
OJAWZA 11J781-20
OJAWZA 11J781-03
OJAWZA 11J781-21
OJAWZA 11J781-04
OJAWZA 11J781-22
OJAWZA 11J781-05
OJAWZA 11J781-23
OJAWZA 11J781-06
OJAWZA 11J781-24
OJAWZA 11J781-07
OJAWZA 11J781-25
OJAWZA 11J781-08
OJAWZA 11J781-26
OJAWZA 11J781-09
OJAWZA 11J781-27
OJAWZA 11J781-10
OJAWZA 11J781-28
OJAWZA 11J781-11
OJAWZA 11J781-29
OJAWZA 11J781-12
OJAWZA 11J781-31
OJAWZA 11J781-13
OJAWZA 11J781-32
OJAWZA 11J781-14
OJAWZA 11J781-33
OJAWZA 11J781-15
OJAWZA 11J781-34
OJAWZA 11J781-16
OJAWZA 11J781-35
OJAWZA 11J781-17
OJAWZA 11J781-37
OJAWZA 11J781-18
OJAWZA 11J781-38
General Electric Company Alert Service Bulletin Nos. (CJ610) A72-135, Addendum 1, dated May 19, 1980, and (CF700) A72-142, Addendum 1, dated May 19, 1980, refer to this subject.
This amendment was effective upon receipt of the Emergency Airworthiness Directive dated May 30, 1980, and is effective to all others on February 2, 1981.