Bell 429 - Page 167

BHT-429-MPI
Table1.ConditionalInspections-CompressorStallorSurge(continued)
INITIAL
DATAREFERENCEINSPECTIONTASKDESCRIPTION
MECHOTHER
b.Ifnodamageisfound,thetailrotordriveshaftassemblyisserviceable.
429-MM,Chapter64TAILROTOR
1.Doaninspectionofeachtailrotorbladeasfollows:
a.Visuallyexaminethetailrotorbladeforcondition.
b.Ifanydamageisfoundonthetailrotorblade,dothefollowing:
(1)AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFACOMPRESSORSTALLORSURGEtagonthetail
rotorblade.
(2)Sendthetailrotorbladetoanapprovedfacilityforfurtherinspection
andrepair.
c.Ifnodamageisfoundonthetailrotorblade,thebladeisserviceable.
2.Doaninspectionofthetailrotorhubassembliesasfollows:
a.Visuallyexaminethetailrotorhubassembliesforcondition.
b.Ifanydamageisfound,dothefollowing:
(1)Removethetailrotorhubassemblies.
(2)AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFACOMPRESSORSTALLORSURGEtagonthetail
rotorhubassemblies.
429-MM,Chapter64
(3)Disassemble,clean,anddoadetailedinspectionofthetailrotor
hubassemblies.
c.Ifnodamageisfound,thetailrotorhubassembliesareserviceable.
3.Visuallyexaminethetailrotorbladeboltsfordeformationanddamage.
Ifanydamageisfound,discardthebolt(s).
429-MM,Chapter62MAINROTOR
1.Doaninspectionofeachmainrotorbladeasfollows:
a.Cleanthemainrotorblade.
b.Examinethemainrotorbladeforwrinkledskin,deformation,and
cracks.Ifdelaminationissuspected,examinethebladesforvoids.
c.Ifanydamageisfoundonthemainrotorblade,dothefollowing:
(1)AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFANOVERTORQUEtagonthemainrotorblade.
(2)Sendthemainrotorbladetoanapprovedfacilityforfurtherinspection
andrepair.
d.Ifnodamageisfoundonthemainrotorblade,thebladeisserviceable.
2.Doavisualinspectionofthemainrotorhubassemblyasfollows:
a.Visuallyexaminethemainrotorhubassemblyforcondition.
b.Ifthemainrotorhubassemblyisdamaged,dothefollowing:
(1)Removethemainrotorhubassembly.
(2)AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFACOMPRESSORSTALLORSURGEtagonthemain
rotorhubassembly.
429-MM,Chapter62
(3)Disassemble,clean,anddoadetailedinspectionofthemainrotor
hubassembly.
c.Ifnodamageisfoundonthemainrotorhubassembly,themainrotor
hubassemblyisserviceable.
Applicableto:ALL429-A-05-50-00-07A-284A-A
ECCNEAR99
10JAN2019-Issue1Page3