Bell 429 - Page 152

BHT-429-MPI
Table1.ConditionalInspections-SuddenStoppage(TailRotor)PowerONorOFF(continued)
INITIAL
DATAREFERENCEINSPECTIONTASKDESCRIPTION
MECHOTHER
•Bentorbrokenpitchchangecontroltube
•Damagetotheoutputshaftofthetailrotorgearbox
3.Discardalltherotatingcontrolboltsatthetailrotorhubandblade
assemblies.
4.Ifthevisualinspectionshowsnosignsofdamage,thedirectional
controlsareserviceable.
TAILROTOR
429-MM,Chapter64
1.Ifthesuddenstoppageistheresultofatailrotorbladestrike,discard
bothtailrotorhubandbladeassemblies.
2.Ifthesuddenstoppageoccurredatthemainrotor,transmission
assembly,tailrotordriveshaft(s),ortailrotorgearbox,doavisual
inspectionofthetailrotorasfollows:
a.Visuallyexaminebothtailrotorhubandbladeassembliesforexternal
damage.
b.Ifdamageisfoundonanyofthetailrotorhubandbladeassemblies,
removebothtailrotorhubandbladeassemblies.
c.AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFASUDDENSTOPPAGEtagonbothtailrotorhuband
bladeassemblies.
429-MM,Chapter64429-MM,
Chapter65
d.Disassemble,clean,anddoadetailedinspectionofbothtailrotor
hubandbladeassemblies.
e.Ifnodamageisfound,thetailrotorhubandbladeassembliesare
serviceable.
429-MM,Chapter53TAILBOOM
1.Visuallyexaminetheinternalandexternalareasofthetailboom
assemblyforcondition.
2.Examinethehangerbearingandsnubbersupportsforconditionand
securityofattachment.
3.Examinethehorizontalstabilizersandtheauxiliarynassembliesfor
conditionandsecurityofattachment.
4.Examinetheverticalnassemblyforconditionandsecurityof
attachment.
429-MM,Chapter65
5.Doadetailedinspectionofthetailrotorgearboxmountingstudsand
dowelpinsforcrackswitha10xmagnifyingglassorusingaFluorescent
PenetrantInspection(FPI).
6.Visuallyexaminetheattachinghardwarebetweentheaft
fuselage-to-tailboomandtailboom-to-aftfuselageframes,atFS361.00,
forconditionandsecurity.
7.Doatorquecheckofthetailboomattachments.
8.Doaatnesscheckoftheaftfuselage-to-tailboomandtailboom-to-aft
fuselageframes,atFS361.00.ContactProductSupportEngineering
forinformationconcerningtheapplicableproceduresandassociated
equipment.
429-A-05-50-00-02A-284A-AApplicableto:ALL
Page4Issue1-10JAN2019
ECCNEAR99