Bell 429 - Page 168

BHT-429-MPI
Table1.ConditionalInspections-CompressorStallorSurge(continued)
INITIAL
DATAREFERENCEINSPECTIONTASKDESCRIPTION
MECHOTHER
3.Visuallyexaminetherotatingcontrolsandreplaceanyunserviceable
partsasnecessary.
429-MM,Chapter53FUSELAGE
1.Examinethefuselagestructurethatsupportsthepylonbeam
assembliesfordistortion,buckles,cracks,andshearedorloose
fasteners.
2.Examinethefuselagestructurethatsupportstheenginemountsfor
distortion,buckles,cracks,andshearedorloosefasteners.
3.Examinethetailboomassemblyfordistortion,buckles,cracksinthe
skin,andshearedorloosefasteners.
4.Ifadamagefoundontheaboveareascannotberepairedwith
standardrepairprocedures,contactProductSupportEngineering.
COMPLETIONTASKS
AQUALIFIEDPERSONMUSTBEATTHEHELICOPTERCON-
TROLSDURINGTHEFOLLOWINGPROCEDURE.
BHT-429-FM-1,Section2
1.Starttheenginesanddoaone-hourgroundrunwiththehelicopter
lightonskids(100%rotorRPM(N
R
)).
2.Visuallyexaminethechipdetectorsofthetransmissionassemblyand
tailrotorgearboxforcontamination.
429-MM,Chapter63
429-MM,Chapter65
a.Ifthereareunwantedparticlesonachipdetector,removethe
transmissionassemblyorthetailrotorgearbox,asapplicable.
b.AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFACOMPRESSORSTALLORSURGEtagonthe
transmissionassemblyortailrotorgearbox,asapplicable.
c.Sendthetransmissionassemblyortailrotorgearboxtoanapproved
repairfacilitytodisassemble,clean,anddoadetailedinspectionofthe
transmissionassemblyortailrotorgearbox,asapplicable.
d.Iftherearenounwantedparticles,thetransmissionassemblyandthe
tailrotorgearboxareserviceable.
3.Returnthehelicoptertoservice.
429-A-05-50-00-07A-284A-AApplicableto:ALL
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