MIL-STD-1629-RevA - Barringer and Associates, Inc.

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. ——MIL-STD-1629ATASK 103FMECA - MAINTAINABILITY INFORMATIONFMECAinalntainabtllty information supplies early criterta for~inte%%% arming Analysis (MPA), Logistic Support Analysis (LSA), testplannin , inspection and checkout requirements, and identifies maintainabilitydesign ! eatu~s that require corrective action, and supplies information forthe Reliability-Centered Maintenance (RCM) process required byMIL-HIBK-266(As).1.1 The FMECAmaintainabfl ity information requires data fromTask 103 shall not be done without first doing Task 101.1.2 Planning. Planning for the FMECA - maintainability information analysisincludes the contractor’s procedures for assurin the coincident use of thisanalysis when logistic support analysis in accor%ante with MIL-STD-1388,themaintenance planning analysis in accotiance with MIL-STD-2080(AS), andmaintainability analysis in accordance with MIL-STD-470 am required bycontract,2. Documents Referenced in Task 103:STANDARDSMi1itawMIL-STD-470MIL-STD-1388MIL-STD-2080(AS)Maintainability program requirements (forsystems and equipment)Logistics Support AnalysisMaintenance Engineering, Planning ~nd Analystsfor Aeronautical Systems, Subsystems, Equipmentand Support EquipmentHANDBOOKSMIL-HIBK-266(As)Application of Reliability-Centered Maintenancein Naval Aircraft, Weapon Systems and SupportEquipment3. FMECA - Matntainabilfty Information Worksheet. Maintainabilityinformation is documented on the approved FPILCA- maintainability worksheet.Figure 103.1 is a sample worksheet. Cofi~leteworksheets will be included inthe FMECA report, &neral Requirwnents, 4.5, following the FPEA worksheet forthe same indenture level. The followlng infonnat~on can be found and copiedfmm the FhEA worksheet:a. Item Identification Numberb. Item NomenclatureC. Function103-1Task 1037 June 1983
MIL-STD-1629Ad. Functional Failure (Failure Mode (Task 701))-e. Engineering Failure Mode (Failure Causes (Task 101))f. Failure Effects (local, next higher level, end)9. Severity Classh. Mission Phase3.1 System/Subsystem Description. Provide a concise description of thesytem or subsystem in terms of Its general function and major assemblies orcomponents.3.2 Conpensatlng provisions. This entry shall specifically addressredundanc~es and protective Featuns in relation to functions and functionalfailures. An item is considered redundant if its purpose is to duplfcate thefunction of another item. Also list the protective or warning devices, orfail-safe desfgn, that act to mitfgate serious consequences upon failure of acritical item.3.3 Functions. Functions and subfunctions should be transferred from Task101 worksheets. A number shall be placed in the small column next to eachfunction. The first function wfll be numbered 1, the second 2, and so on.3.4 Functional Failures. Record the functional failure (failure mode fromTask 1~) l-unctlonaltailures shall be lettered alphabetically beqinningwith “A”.” Note that a function may have more than one functional failure(failure mode, Task 101).3.5 Engineering Failure Mode. Record the engineering failure modes (failurecauses from Task ~erfng failure modes shall be numbered beginnfngwith “l”. Note that ; functional faflure may have more than one engineeringfaflure mode (failure cause, Task 101).3.6 Mininum Equipment List. Specify if the aircraft or end item ofequipment can be dlspatched on its assigned mission with the analysis iteminoperative. If the answer is “yes”, specify artylimitation.3.7 Failure Detection Method. A description of the methods by whichoccurrence of a speclflc functional failure (failure mode) is detected andlocalized by the operator ormafntainance technician shall be recorded.Describe the warnfng devices, if applicable, and other indications which makeevfdent to the operator or technician that an item has malfunctioned orfailed. If no indication exists, state whether or not the undetected failurewill jeopardize the mission objectives or personnel safety, and if theundetected failure allows the item to remain operational in a safe state, asecond failure situation shall be explored to detennfne whether or not anindication will be evident to the operator or maintenance technician. Propercorrelation of an item malfunction or failure may require identification ofnormal, abnormal and incorrect indications. Nor%al indications are those thatare evident to an operator or maintenance technician when the item isoperating normally. Incorrect indications are those that are evident to theoperator or maintenance technician when the item has malfunctioned or failed.Task 1037 June 1983 103-2.
Page 1 and 2:
MIL-STD-1629A24 NOVEMBER 1980SUPERS
Page 3 and 4:
MT7,-STW 1629AFOREWORDIThe~failure
Page 5 and 6:
----MIL-STD-16Z9ACONTENTS(Continued
Page 7 and 8:
MI1.-STD-1629A1. SCOPEThis standard
Page 9 and 10: MTL-STD-1 629A3. DEFINITIONS3.1 Ter
Page 11 and 12: !’11 L-!;’J’l)- 1629A3. 1.17.
Page 13 and 14: .MT1.-ST~-l629A4.3.5 Failure defini
Page 15 and 16: MTT,-sTn-1629Afor each mission, mis
Page 17 and 18: ?f?l.-STD-l629Ab. Des~ripGlon of de
Page 19 and 20: MT1,-STD-1629A3.2 Functional approa
Page 21 and 22: MI J,-STD-16?9Afunctional block dia
Page 23 and 24: MI L-STD-1629A5.6.2 Next higher lev
Page 25 and 26: Ml 1,-STD-1079Afurther amplified in
Page 27 and 28: MIL-STD-1629A. --1III[IIIIIIIIIIIii
Page 29 and 30: MIL-STD- 1629ATASK 102CRITICALITYAN
Page 31 and 32: IMII.-ST1)-162(]Ashown in Figure 10
Page 33 and 34: MIL-STD-1629Awhere:C* = Criticality
Page 35 and 36: MI I.-sTI)-I629AINCREASINGCRITICALI
Page 37 and 38: MIL-STD-1629A3*1 Failure predictabi
Page 39 and 40: .--— .-—--— , --—— ——
Page 41 and 42: MTL-STD- 1629A4\l Damage modes. All
Page 43 and 44: NI 1.-[; 1’1)- 1(); ?!)Au0.-.mr-r
Page 45 and 46: MI I,-ST1)-1629A3. Content. The FME
Page 47 and 48: —..-A 1MIL-STD-1629AAPPENDIXA10.
Page 49 and 50: MIL-STD-1629A50.1.3 Intended use. T
Page 51 and 52: MIL-STD-1629AWhere:C= “ Criticali
Page 53 and 54: INSIRUCII ONS: In ● continuing ef
Page 55 and 56: MIL3TD-1629ANotice 17 June 1983MILI
Page 57 and 58: MIL-STD-1629ACONTENTS (Continued)Fi
Page 59: MIL-STD-1629ASPECIFICATIONSMilitary
Page 63 and 64: MIL-STD-1629A..2’Ilm.o.,id1-< xQ
Page 65 and 66: —MIL-STD-1629A50.5 DMEA (Task 104
Page 67 and 68: MIL-STD-1629ACONTENTS (Continued)Pa
Page 69 and 70: .-MIL-STD-1629AAPPENDIX AAPPLICATIO
Page 71 and 72: 20-30Stop LCNMIL-STD-1629AEnter the
Page 73: NOTICE OFCANCELLATIONNOT MEASUREMEN
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MIL-STD-1629-RevA - Barringer and Associates, Inc.

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