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4 GENERAL DYNAMICSConvair Division

PROPULSION INTER1FACE

AIRBORNE

DIFFICULTIES RFVIEW

(7/SGENERAL DYNAMICS SIhtr . Issue Date: 15 AugW96

Convair Division --

//GDC-BRW6B-%13--

'DIFFICULTIES REVIEW, ATLAS )OOSTER -

AIRBORNE AND GROUND5ýUP PORT YSTEMS. /2S:itj

9ENERAL JNIFORMATION,

?Fropulsion Interface Airborne)Difficulties -Review.

flY CO0NTRAtXC, TA110 4(9)71Y(

(7-

I~e 1ý-0-nri1ý

* Approvedby. ..

•./1. ShlferChief of reliability Ernunneering

I I

t/

BOOK II - DIFFICULTIES REVIEW - AIRBORNE CONTAINS THE FOLLOWING VOLUMES

VOLUME I AIRFRIAMES

*VOLUME II ABORT SENSING AND IMPLEMENTATION SYSTEM

VOLUME III AUTOPILOT

*VOLUME IV AUXILIARY POWER SOURCE

VOLUME V ELECTRICAL

*VOLUME VI GUIDANCE

VOLUME VII HYDRAULICS

VOLUME VIII INSTRU NI NTATION

VOLUME IX PNEUMATICS

I VOLUME X PROPELANT UTILIZATION

VOLUME XI PROPUI-SION INTERFACE

VOLUME XH PROPULSION

VOLUME XIII RAN(;GE SAFETY CO(MMAND

*VOLUNTES II, IV AND VI UNDER ONE (:)'Ell.

.4

* d

/

4 GENERAL INFORMATION

The Difficulties Review encompasses problems gathered from the factory, the field, (ETR

and WTR) and UTP. The factory difficulties are limited to "selloff' and rerun compositetesting,

In the UTP area, the difficulties were excerpted from Central Test Control Reports,Problem Reports, Supplementary History Sheets an.d Problem Review Reports

Field problems for the Difficulties Review have been limited to captive flights, flight

"readiness firings, actual countdown dual propellant loading, quad tanking, component relia-

bility testing, and flight acceptance composite tests, Difficulties called out in the search

for critical weakness program was not documented.

GSE problems shall be limited to ETR Complex 12, 13. 36A and 36B for the present edition.

Hereafter only booster coifficulties shall be maintained.

Failure analysis reports cover difficulties fram the field and factory and may comple-

ment the information above.

The GSE Difficulties Review, Book I contains 14 Volumes, one volume for each system.

under one cover. Each volume is apprnpriately indexed.

The Airborne Difficulties Review, Book 2 contains 13 volumes Each volume is imder

separate cover except Volumes II, IV and VI. Volumes I1, IV, and VI are under one cover

because of the limited material contained in each volume. All volumes are appropriately

indexed.

A guide to facilitate interpretation of data in the Difficulties Review (GSE and Airborne)

is part of each book or volume.

4,

DIFFICULTIES REVIEW PROPULSION INTERFACE AIRBORNE-- --....... ~EX -

?Lr. LUBE OIL/PURGE-" 0001 - 0007

i12 PNEUMATICS) 0007 - 0009

J1' LOX FEED)" 0009 - 0059 -

t.. FUEL FEEDj 0059 - 0108

V. GENERAL 0108 - 0109

LUBE OIL/PURGE SUBSYSTEM PAGE(S)

Bellows 0002

Ducting & TuLing - Rigid 0001, 0006

Ducting & Tubing - Flex 0002

Nut 0003

Poppet 0005, 0006

-, Screw ooo5, 0006"' Seal 0002, 0005

Solenoid 0007

Valve-Check 0001 - 0006

Valve-Solenoid 0007

II. PNEUMATIC

Disconnect-Staging 0009

Ducting & Tubing-Rigid 0007 - 0009

"Fitting & Flanges 0007

Gas Generator 0008

Latch 0009

Nut - "B" 0008, 0009

q :,

A ... ..... . .. . -

111. LOX FEED PAGES)

Actuator 0026, 0032, 0053.

Bellows 0034, 0035, 0042-0045.

Bolt 0015, 0016, 0026, 0032, 0033, 0040.

""{ Boss 0022, 0023.

Disconnect-Staging 0028, 0038, 0040, 0043, 0054.

Disconnect-Riscoff 0038, 0044.

Ducting & Tubing-Flex 0009, 0013, 0014, 0017,0019, 0020, 0023,

0024, 0028-0031, 0033, 0042, 0043, 0045,

0047-0049, 0052.

Ducting & Tubing - Rigid 0009, 0010, 0012, 0022-0024, 0034, 0037,

0039, 0044, 0046, 0049, 0050, 0054, 0056,

0057, 0058, 0059.

Fitting 0021, 0036, 0058.

Gas Generator 0051.

S Gear 0053,

Manifold 0023, 0024.

Motor 0039, 0040, 0046.

Nut 0014, 0018, 0024, 0027, 0039, 0044, 0059.

Orifice 0014, 0022.

Poppet. 0051.

Pump 0038, 0048, 0051, 0052.

Regular -Fluid 0059.

Screw 0021.

SSeal 0010, 0015, 0017, 0020. 0021, 0022, 0025,

0027-0029, 00132, 0033, 0035-003S, 0040-

0043, 0052, 0053, 0057.

Shaft 0012, 0026, 0033, 0042.

"Spring 0011, 0054.

W Switch 0011, 0013, 0014, 0025, 0026, 0027, 0029-

0032, 0037, 0041, 0054, 0055.

Tank 0033, 0050, 0052, 0054, 0059.

FT7'

III. LOX FEED PAGE(S)

Transducer 0056.

Valve 0012, 0014, 0035.

Valve-Check 0014, 0015, 0018, 0028, 0030, 0034, 0037,

0039, 0040, 0041, 0042, 0044, 0046, 0048-

0051.

Valve-Fill & Drain 0010, 0012, 0013, 0015, 0016, 0017, 0018,

0020, 0021, 0025-0027, 0029-0032, 0034,0033, 0037, 0039-0043, C045, 0047, 0053-

0057.

Valve-Manual 0018, 0027, 0030, 0032.

Valve-Pre 0011, 0016, 0027, 0030, 0032, 0033, 0036,

0038, 0054, 0057, 0058.

Valve-Staging 0026, 0028, 0033, 0036, 0050, 0052, 0053.

Vent 0054.

"• IV. FUEL FEED

Actuator 0062, 0076, 0031, 0084, 0095, 3101.

Bellows 0078, 0084, 0086-0088, 0093, 0104.

Bolt 0064,

Boss 0075, 0078, 0084, 0104, 0105, 0106.

Bracket 0062.

Bulkhead 0105.

Capacitor 0069, 0070.

Controller 0069, 0070.4

Disconnect-Riscoff 0069-0071, 0073, 0074, 0076, 0098, 0099.

Disconnect-Staging 0080, 0102, 0103.

Ducting & Tubing-Flex 0061, 0069, 00S0, 00S3, 00S4, 0087, 0090,

0092.

.7

IV. FUEL FEED PAGES

S; Ducting & Tubing - Flex 0061, 0069, 6t60, 0083, 0084, 0087, 0090,

0092.

Ducting & Tubing - Rigid 0062, 0066, 0069, 0078, 0080, 0081, 0083,

0085, 0086, 0097, 0099, 0101, 0102, 0104,

0106-0108.

Fitting & Flange 0064, 0082, 0087, 0100, 0105, 0106.

Gas Generator 0083.

Harness/Viring/Circuits 0097, 0105.

Igniter 0083.

Manifold 0062, 0079, 0108.

Motor 0065, 0067, 0073.

Nut 0083, 0085, 0087, 0089, 0106.

Orifice 0064, 0066, 0089, 0094, 0095.

Plug 0107.

S•Poppet 0068.

SPu•20107-, 0108.

SRivet 0089,Seal 0060, 0061, 0062, 0065, 0067, 0070, 0071,

I0073, 0077, 0081, 0082, 0085, 0086, 0088,

0089, 0090, 0091, 0094, 0095, 0101, 01i2,

0105, 0106.

Sealant - 0068.

Sensor 0069.

Shaft 0106.

Solenoid 0105.

Spring 0063.

SmSwitch 0064, 0068, 0079, 0098, 0099, 0101.

Tank 0065, 0078, 0080, 0094, 0095, 0099, 0100,

z .0101.

T L ansduceo 0060.

IV FUEL FEED (Continued) PAGE(S)

Valve 0065, 0066, 0068, 0071, 0072, 0074, 0076,

0083, 0083, 0086, 0094.

Valve-Check 0063, 0065, 0068, 0087, 0089, 0094, 0095,

0097, 0100.

Valve-Fill & Drain 0065, 0067, 0070, 0073, 0074, 0076, 0079,

0086, 0093, 0095, 0097, 0099, 0101, 0102,

0107.

Valve-Pie 0059, 0064, 0067, 0070, 0073, 0075, 0077,

0081, 0082, 00S5, 0086, 0088, 0091, 0094,

0095, 0101, 0103, 0105, 0106.

Valve-Staging 0087, 0091, 0093, 0096, 0102, 0104.

Vent 0089, 0094, 0100.

V. GENERAL

Connector 0109.

'' Ducting & Tubing - Rigid 0108.

Insulation 0109.

S-oenoid 0109.

Tank 0109.

Valve-Pre 0108.

4

k

GENER-Ul DYNAMICSConvair Division

Subject: Explanatory Information For Use of Difficulties Review (DR)Data Tab Runs

This information has been prepared to facilitate use of the DR. It is not intended todescribe how the DR was prepared nor the scope of the existing effort.

The Difficulties Review (DR) is presented on a form compatible with automated data

processing and printout.

Appearing at the top of the page (outside of blocked-in areas) is the identification M

the system and whether it is Airborne or Ground Support Equipment. Appezaing with

this identification is the date of the document and the page number.

On the right hand side outside of the blocked area, appears the abstract number. Anabstract number is assigned to each item of the Difficulty Review to facilitate trace-

ability to the original input document.

Appearing under the major identification are blocks wherein the information on

component or s5 stem difficulty is identified and explained. Attached are samples ofpages coded for reference to the following definitions and explanations:

CODE EXPLANATION

This group of blocks callout system, subsystem, test/report number,failed component name, difficulty Difi ictua source, and GDC part

number if applicable. Also called out here is the vehicle number,if applicable, and the date of difficulty

In the same row, the site location, and in case of a flight, captive

flight, or countdown, the time will be entered.

The block containing PRI and OTH refer to whether or not the failure

is prima or a secondary failure. A secondary failure is to be

interpreted as caused by another discrepancy.

The last block in this row is obvious and requires no further explana-S• tion:

S)Refers to a major system of the launch vehicle.

Refers to subsystem of a major vehicle system if applicable, (Booster,

sustainer, etci.

GENERAL DYNAMICS

Convair Division

CODE EXPLANATION

(4") Is a repo- ntunber as opposed to type of report, (UTP, Countdown,Flight, FAR, etc.).

Is a type of report, such as a FAR, UTP, FRF, etc.

GRefers to a component part by name.

Q Is a component piece part of the component and referred to by name,

(plug, seal, wiring, diode, etc., only where applicable).

Is a GDC part number, if applicable.

( Refers to a site or location at time of discrepancy on the componentor vehicle system.

0 Is the vehicle on which discrepancy occurred. Vehicle number listedonly if unit was installed on a vehicle at time of discrepancy.

0 Is the vendor part number, if applicable.

© is the vendor name, if applicable.

©Is the falure caused by ctPer component or other system. This itemdefines the failure as secondary or not secondary.

SRefers to the prirr failure. If item is labeled no, then item (13)

may appear as a yes.

Should item (13) appear as a yes, then an abstract will have been

wrWjten to identify the cause of failure effecting the componentreferred t(; in. the Difficulty Review, Item 6. It should he noted that.a multiple fqilurc :nay hc recorded in these blocks, (yes/yes), or if a

failure dii not occur, (no/no).

Defines the fail.::' r modc. and if identifiable, th- cause is called out.A caruful reviex,, of the Lfilure mode is made to determine effect onsystem operation and vehicle effort.

GENERAL DYNAMICSConvair Division

CODE EXPLANATION

106 Defines the system effect. This effect is the result of the failu e modeassigned to the component.

Defines the vehicle effect. This effect Is a result of the failure modeand the result of the system effect.

It should be noted that corrnctive action may be taken whether o notthe failure was confirmed.

Lists the corrective action. Taken by GDC, the vendor, or hot

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