BHT-429-MPI
ConditionalInspections-WaterImmersion
Preliminaryrequirements
Consumables,materialsandexpendables
Nomenclature
IdenticationNo.Qty
Remarks
Lubricatingoil
C-020
AR
Procedure
Table1.ConditionalInspections-WaterImmersion
INITIAL
DATAREFERENCEINSPECTIONTASKDESCRIPTION
MECHOTHER
DATE:
W.O.
FACILITY:
HELICOPTERS/N:
REGISTRYNO.:
TOTALTIME:
SIGNATURE:
NOTE
Iftheinformationcontainedinthefollowingconditionalinspection
doesnotfullyreecttheoccurrenceorifadditionalinformationor
claricationisrequired,contactProductSupportEngineeringfor
assistance.
Thehelicopterisconsideredrecoverablewhenithasbeenimmerged
inwaternodeeperthan12feet(3.6m)andforlessthan24
hours.Otherwise,thehelicopterisconsideredunserviceableand
uneconomicallyrepairable.Thehydrostaticpressuresinwaterdeeper
than12feet(3.6m)willdamagethebondedpanelsandthevarious
helicoptersystems.Duetothecorrosiveeffectsofimmersionformore
than24hours,thedamageisviewedasbeingbeyondeconomical
repair.
Ifawaterimmersionofthehelicopterhasoccurred,dothefollowing:
1.Dothehelicopterrecoveryprocedurewithin12hoursafterremoval
fromthewater.
BHT-ALL-SRM,Chapter
2,StructuralRepairManual
Followingtherecovery,doaninspectionofthehelicopterasfollows:
FUSELAGEANDTAILBOOM
BHT-ALL-SRM,Chapter
2,StructuralRepairManual
1.Doastructuralinspectionofthefuselageandtailboom.
FLIGHTCONTROLS
BHT-ALL-SRM,Chapter
2,StructuralRepairManual
1.Doaninspectionofalltheparts/componentsoftheightcontrolsfor
contamination.
429-MM,Chapter62MAINROTOR
1.Removethemainrotorblades.
2.Removethemainrotorhubassembly.
3.AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFAWATERIMMERSIONtagonthemainrotorhub
assemblyandoneachmainrotorblade.
4.Sendthemainrotorbladestoanapprovedfacilityforinspection
andrepair.
Applicableto:ALL429-A-05-50-00-09A-284B-A
ECCNEAR99
10JAN2019-Issue1Page1