SYNOPSIS

CH-47-92-ASAM-02  AVIATION SAFETY ACTION MESSAGE, MAINTENANCE MANDATORY,

                  CH-47D, MH-47D AND MH-47E AIRCRAFT, ONE-TIME INSPECTION

                  OF GENERATOR WIRE HARNESS AT THE FIRE EXTINGUISHER

                  DISCHARGE TUBE, (TB 1-1520-240-20-60).

                  201500Z NOV 91, DONG NGUYEN, AMSAV-XSOF, X9089.






                  NOTE: Enter a "Q" + <CR> to exit or <SPACEBAR> to view
                        the entire message. (NON-REPORTING)

.
 
 
01  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
              CDRAVSCOM ST LOUIS MO  //AMSAV-XSOF//
 
              AIG 6713
 
              AIG 9004
 
              AIG 8708
 
              AIG 9042
 
              CDR4TH/228THAVN SOTO CANO //AVN-AMO//
 
              CDR 102D ARMY AVIATION FACILITY
 
                   SCOTT AFB IL //AFKB-AC-CJ-ASF//
 
         INFO DEFARM CANBERRA AS //DOHS-A//
 
              DEFNAV CANBERRA AS
 
              CDRUSARDSG CANBERRA AS
 
              HQLCENG MELBOURNE AS  //DAIRENG//
 
              LOG CON OTTAWA ONT CAN  //DTHEM 6-3//
 
              AUSTNAV WASHINGTON DC //DEFNAV//
 
              AUSTAIR WASHINGTON DC  //SENGSO//
 
              USOMC CAIRO EG  //AV//
 
              ODC ATHENS GR  //ODCSA-A//
 
              CDR AMCCOM ROCK ISLAND IL  //AMSAR-QAS-P//
 
              CHMUSLO RABAT MO //AF//
 
 
 
CF:  SFAE-AV-CH, AMSAV-ECC, AMSAV-I-RAAF, AMSAV-MEA, AMSAV-L-AOC
 
 
 
  DONG K. NGUYEN
  AMSAV-XSOF, X9089                    
 
 
  EDWARD J. HOLLMAN
  CHIEF, SAFETY OFFICE
.
 
                                      UNCLAS
 
 
02  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
              CHUSAS RIYADH SA //ASAV//
 
              ODC MADRID SP //ARMY AND NAVY SEC//
 
              CDR AMC-SWA
 
              CJUSMAG BANGKOK TH
 
              CTF PROVIDE COMFORT //JOC/C4-LOG OPS//
 
              CDRUSARDSG LONDON UK //AMXSN-UK-SE//
 
              CDRAMC ALEXANDRIA VA  //AMCMR/AMCCS/AMCSM-WAA//
 
         XMT  USDA0 DHAKA BG
 
              USDAO RANGOON BM
 
              USDAO COLOMBO CE
 
              USCINCPAC REP SUVA FJ
 
              USADAO JAKARTA ID //MADP//
 
              AMEMBASSY NEW DELHI IN //DSA//
 
              AMEMBASSY PORT MORESBY PAPUA NEW GUINEA
 
              USDAO KATMANDU NP
 
UNCLAS
 
AIG 9004 TAKE FOR INFO ONLY
 
AIG 8708 TAKE FOR INFO ONLY
 
AIG 9042 TAKE FOR INFO ONLY
 
.
 
                                      UNCLAS
 
 
03  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
SUBJECT - AVIATION SAFETY ACTION MESSAGE, MAINTENANCE MANDATORY, RCS 
 
CSGLD-1860(R1), CH-47D, MH-47D, AND MH-47E AIRCRAFT, ONE TIME 
 
INSPECTION OF GENERATOR WIRE HARNESS AT THE FIRE EXTINGUISHER 
 
DISCHARGE TUBE (CH-47-92-ASAM-02) (TB 1-1520-240-20-60).
 
NOTE - THIS IS AN AVIATION SAFETY ACTION MESSAGE AND HAS NOT BEEN 
 
TRANSMITTED TO UNITS SUBORDINATE TO ADDRESSEES.  ADDRESSEES SHOULD 
 
IMMEDIATELY RETRANSMIT THIS MESSAGE TO ALL SUBORDINATE UNITS, 
 
ACTIVITIES OR ELEMENTS AFFECTED OR CONCERNED.  THE RETRANSMITTAL 
 
SHALL REFERENCE THE MESSAGE.  ACTION ADDRESSES WILL IMMEDIATELY 
 
VERIFY THIS RETRANSMISSION TO COMMANDER, AVSCOM, ATTN - AMSAV-XSOF 
 
(SOF COMPLIANCE OFFICER).
 
1.  PRIORITY CLASSIFICATION - 
 
    A.  AIRCRAFT IN USE -  UPON RECEIPT OF THIS MESSAGE THE 
 
CONDITION STATUS SYMBOL OF THE CITED AIRCRAFT WILL BE CHANGED TO A 
 
RED HORIZONTAL DASH //-//.  THE RED HORIZONTAL DASH //-// MAY BE 
 
CLEARED WHEN THE INSPECTION OF PARA 8 BELOW IS COMPLETED.  THE 
 
AFFECTED AIRCRAFT SHALL BE INSPECTED AS SOON AS PRACTICAL BUT NO 
 
LATER THAN THE TASK/INSPECTION SUSPENSE DATE.  FAILURE TO COMPLY 
 
WITH THE REQUIREMENTS OF THIS MESSAGE WITHIN THE TIME FRAME WILL
.
 
                                      UNCLAS
 
 
04  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
CAUSE THE STATUS SYMBOL TO BE UPGRADED TO A RED //X//.
 
    B.  AIRCRAFT IN DEPOT MAINTENANCE -  AIRCRAFT WILL NOT BE ISSUED 
 
UNTIL COMPLIANCE WITH THIS ASAM HAS BEEN COMPLETED.
 
    C.  AIRCRAFT UNDERGOING MAINTENANCE -  AIRCRAFT WILL NOT BE 
 
RELEASED UNTIL COMPLIANCE WITH THIS ASAM MESSAGE HAS BEEN COMPLETED.
 
    D.  AIRCRAFT IN TRANSIT - 
 
         (1)  SURFACE/AIR SHIPMENT - WITHIN 25 FLIGHT HOURS OR 20 
 
DAYS OF ARRIVAL.
 
         (2)  FERRY STATUS -  
 
            (A)  INSPECT AT FINAL DESTINATION.
 
            (B)  THOSE AIRCRAFT THAT HAVE A DD250 AND ARE AT BOEING 
 
HELICOPTER COMPANY WILL BE INSPECTED PRIOR TO FERRY TO FINAL 
 
DESTINATION. 
 
    E.  MAINTENANCE TRAINERS (CATEGORY A, B AND OTHERS) - N/A.
 
    F.  COMPONENT/PARTS IN STOCK INCLUDING WAR RESERVES AT ALL 
 
LEVELS (DEPOT AND OTHERS) - N/A.
 
2.  TASK/INSPECTION SUSPENSE DATE - WITHIN 10 FLIGHT HOURS/14 DAYS. 
 
3.  REPORTING COMPLIANCE SUSPENSE DATE - NO LATER THAN 12 DEC 91 PER 
 
PARA 14A OF THIS MESSAGE.
 
.
 
                                      UNCLAS
 
 
05  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
4.  SUMMARY OF PROBLEM -
 
    A.  DURING FLIGHT, THE NUMBER ONE (1) GENERATOR ON A CH-47D 
 
AIRCRAFT FAILED AND WOULD NOT RESET.  THE PROBLEM WAS FOUND TO BE 
 
CHAFED WIRING AT THE DISCHARGE TUBE FOR THE NUMBER ONE (1) ENGINE 
 
FIRE EXTINGUISHER FROM THE AFT BOTTLE.
 
    B.  FOR MANPOWER/DOWNTIME AND FUNDING IMPACTS SEE PARA 12.
 
    C.  THE PURPOSE OF THIS MESSAGE IS TO REQUIRE A ONE-TIME 
 
INSPECTION OF THE GENERATOR WIRE HARNESS AND TO REMOVE ANY EXISTING 
 
CHAFING PROBLEM.
 
5.  END ITEMS TO BE INSPECTED - ALL CH-47D, MH-47D, AND MH-47E 
 
AIRCRAFT WITH SERIAL NUMBERS 81-23381 THROUGH 90-225.  AIRCRAFT 
 
SERIAL NUMBERS 90-226 AND SUBSEQUENT WILL BE INSPECTED/CORRECTED BY 
 
CONTRACTOR DURING PRODUCTION AND THEREFORE RECORDS FOR AIRCRAFT 
 
SERIAL NUMBERS 90-226 AND SUBSEQUENT WILL NOT REQUIRE IDENTIFICATION 
 
OF THIS ACTION.
 
6.  ASSEMBLY COMPONENTS TO BE INSPECTED -
 
    NOMENCLATURE            DRAWING NO.               NSN
 
WIRE HARNESS                 145E3666                 N/A
 
WIRE HARNESS                 145E3668                 N/A
 
.
 
                                      UNCLAS
 
 
06  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
WIRE HARNESS                 145E3674                 N/A
 
7.  PARTS TO BE INSPECTED -  N/A.
 
8.  INSPECTION PROCEDURES -
 
    A.  LOCATE WIRE HARNESSES 145E3666, 145E3668, AND 145E3674 ON 
 
THE LEFT HAND (LH) SIDE IN THE AREA JUST FORWARD OF STA. 502 AT 
 
APPROXIMATE WL 66.
 
         (1)  AIRCRAFT WITH SERIAL NUMBER 86-1670 AND BEFORE, LOCATE 
 
THE WIRE HARNESSES AND CLAMPS MARKED WITH A CIRCLED PER REFERENCE 
 
13A.
 
              (A)  INSPECT THIS AREA TO ASSURE THAT THERE EXISTS A 
 
3/8-INCH MINIMUM CLEARANCE BETWEEN THE ABOVE WIRE HARNESSES AND THE 
 
FIRE EXTINGUISHER TUBE (REFERENCE 13D).
 
              (B)  IF 3/8-INCH MINIMUM CLEARANCE IS NOT FOUND, 
 
LOOSEN THE CLAMPS AND ADJUST WIRE HARNESS TO PROVIDE CLEARANCE WHERE 
 
NECESSARY.  IF CLEARANCE CANNOT BE OBTAINED, WRAP THE WIRE HARNESS 
 
ADJACENT TO THE FIRE EXTINGUISHER TUBE WITH SPIRAL WRAP CHAFING 
 
TAPE, P/N 95339, NSN 9330-00-890-3104, OR EQUIVALENT.  TIGHTEN 
 
CLAMPS.
 
         (2)  AIRCRAFT WITH SERIAL NUMBER 86-1671 AND LATER, LOCATE
.
 
                                      UNCLAS
 
 
07  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
THE CABLES AND CLAMPS CIRCLED PER REFERENCE 13B.
 
              (A)  INSPECT THIS AREA TO ASSURE THAT THERE EXISTS A 
 
3/8-INCH MINIMUM CLEARANCE BETWEEN THE ABOVE WIRE HARNESS AND THE 
 
FIRE EXTINGUISHER TUBE (REFERENCE 13D).
 
              (B)  IF 3/8-INCH MINIMUM CLEARANCE IS NOT FOUND, 
 
REMOVE THE CLAMP AND ROTATE IT 180 DEGREES.  IF CLEARANCE IS STILL 
 
NOT SUFFICIENT WRAP THE WIRE HARNESS ADJACENT TO THE FIRE 
 
EXTINGUISHER TUBE WITH TEFLON SPIRAL WRAP CHAFING TAPE, P/N 95339, 
 
NSN 9330-00-890-3104, OR EQUIVALENT.  TIGHTEN CLAMPS.
 
    B.  FOR THE RIGHT HAND (RH) SIDE, REFERENCE 13C FOR ALL 
 
AIRCRAFT.  LOCATE WIRE HARNESS 145E3666, 145E3675, AND 145E3676 IN 
 
THE AREA JUST FORWARD OF STA. 502 AT APPROXIMATE WL 66.
 
         (1)  INSPECT THIS AREA TO ASSURE THAT THERE EXISTS A 
 
3/8-INCH MINIMUM CLEARANCE BETWEEN THE ABOVE WIRE HARNESSES AND THE 
 
FIRE EXTINGUISHER TUBING (REFERENCE 13E).
 
         (2)  IF ADDITIONAL CLEARANCE IS NEEDED, LOOSEN THE CLAMPS 
 
AND ADJUST THE WIRE HARNESS TO PROVIDE CLEARANCE.  IF CLEARANCE 
 
CANNOT BE OBTAINED, WRAP THE WIRE HARNESS ADJACENT TO THE FIRE 
 
EXTINGUISHER TUBE WITH TEFLON SPIRAL CHAFING TAPE, P/N 95339, NSN
.
 
                                      UNCLAS
 
 
08  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
9330-00-890-3104, OR EQUIVALENT.  TIGHTEN CLAMPS.
 
9.  CORRECTION PROCEDURES - SEE PARA 8 ABOVE.
 
10.  SUPPLY/PARTS AND DISPOSITION - 
 
    A.  PARTS REQUIRED - ITEMS CITED IN PARAGRAPH 6 MAY BE REQUIRED 
 
TO REPLACE DEFECTIVE ITEMS.
 
    B.  REQUISITIONING INSTRUCTIONS - REQUISITION REPLACEMENT PARTS 
 
THROUGH NORMAL SUPPLY CHANNELS USING NORMAL SUPPLY PROCEDURES.
 
    C.  BULK AND CONSUMABLE MATERIALS -
 
NOMENCLATURE              PART NO.              NSN
 
TEFLON SPIRAL WRAP         95339         9330-00-890-3104.
 
    D.  DISPOSITION - DISPOSE OF REMOVED PARTS/COMPONENTS IN 
 
ACCORDANCE WITH NORMAL SUPPLY PROCEDURES.
 
    E.  DISPOSITION OF HAZARDOUS MATERIAL - N/A. 
 
11.  SPECIAL TOOLS, JIGS AND FIXTURES REQUIRED - N/A.
 
12.  APPLICATION - 
 
    A.  CATEGORY OF MAINTENANCE - AVUM.  AIRCRAFT DOWNTIME WILL BE 
 
CHARGED TO AVUM MAINTENANCE.
 
    B.  TIME REQUIRED - 
 
         (1)  TOTAL OF 2.0 MANHOURS USING 2 PERSONS.
 
.
 
                                      UNCLAS
 
 
09  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
         (2)  TOTAL OF 1.0 HOUR DOWNTIME FOR ONE END ITEM.
 
    C.  ESTIMATED COST IMPACT OF STOCK FUND ITEMS TO THE FIELD - 
 
N/A.
 
    D.  TB/MWOS TO BE APPLIED PRIOR TO OR CONCURRENTLY WITH THIS 
 
INSPECTION - N/A.
 
    E.  PUBLICATIONS WHICH REQUIRE CHANGE AS A RESULT OF THIS 
 
INSPECTION - N/A.
 
13.  REFERENCES - 
 
                                 NOTE
 
    REFERENCES A THROUGH D BELOW ARE AVAILABLE FROM YOUR LOCAL
 
    LOGISTICS ASSISTANCE REPRESENTATIVE (LAR).
 
    A.  FIGURE ONE (1), WIRE HARNESS INSTALLATION LH SIDE, STA. 502, 
 
APPROXIMATE WL 66, FOR AIRCRAFT SERIAL NUMBER 86-1670 AND BEFORE.
 
    B.  FIGURE TWO (2), WIRE HARNESS INSTALLATION LH SIDE, AFT CROWN 
 
PANEL STA. 502, APPROXIMATE WL 66, FOR AIRCRAFT SERIAL NUMBER 
 
86-1671 AND LATER.
 
    C.  FIGURE THREE (3), WIRE HARNESS INSTALLATION RH SIDE, AFT 
 
CROWN PANEL STA. 502, APPROXIMATE WL 66, FOR ALL AIRCRAFT.
 
    D.  FIGURE FOUR (4), TUBING INSTALLATION LH SIDE, AFT CROWN
.
 
                                      UNCLAS
 
 
10  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
PANEL AT APPROXIMATE STA. 502, APPROXIMATE WL 66, FOR ALL AIRCRAFT.
 
    F.  TM 55-1520-240-23, AVIATION UNIT AND AVIATION INTERMEDIATE 
 
MAINTENANCE MANUAL FOR CH-47 HELICOPTER, DATED 10 MAY 83, WITH 
 
CHANGES.
 
14.  RECORDING AND REPORTING REQUIREMENTS -
 
    A.  REPORTING COMPLIANCE SUSPENSE DATE (AIRCRAFT) -  UPON 
 
ENTERING REQUIREMENTS OF THIS MESSAGE ON DA FORM 2408-13, FORWARD A 
 
PRIORITY MESSAGE, DATAFAX OR E-MAIL TO COMMANDER, AVSCOM, ATTN 
 
AMSAV-XSOF (SOF COMPLIANCE OFFICER), PER AR 95-3.  DATAFAX NUMBER IS 
 
DSN 693-2064 OR COMMERCIAL 314/263-2064.  E-MAIL ADDRESS IS 
 
"AMSAVXSOF (AT SIGN) ST-LOUIS-EMH3.ARMY.MIL".  THE REPORT WILL CITE 
 
THIS MESSAGE NUMBER, DATE OF ENTRY IN DA FORM 2408-13, THE AIRCRAFT 
 
MISSION DESIGN SERIES AND SERIAL NUMBERS OF AIRCRAFT IN NUMERICAL 
 
ORDER.
 
    B.  TASK/INSPECTION REPORTING SUSPENSE DATE (AIRCRAFT) - N/A.
 
    C.  REPORTING COMPLIANCE SUSPENSE DATE (SPARES) - N/A.
 
    D.  TASK/INSPECTION REPORTING SUSPENSE DATE (SPARES) - N/A.
 
    E.  THE FOLLOWING FORMS ARE APPLICABLE AND ARE TO BE COMPLETED 
 
IN ACCORDANCE WITH DA PAM 738-751, 15 JAN 88 - 
 
.
 
                                      UNCLAS
 
 
11  11  201500Z NOV  91  PP  PP  UUUU              ZEXW   3241300Z
 
YES
 
         (1)  DA FORM 2408-13, AIRCRAFT INSPECTION AND MAINTENANCE 
 
RECORD.
 
         (2)  DA FORM 2408-15, HISTORICAL RECORD FOR AIRCRAFT.
 
15.  WEIGHT AND BALANCE - N/A.
 
16.  POINTS OF CONTACT - 
 
    A.  TECHNICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. E. 
 
BUELTER, SFAE-AV-CH-T, DSN 693-1639 OR COMMERCIAL 314/263-1639.
 
    B.  LOGISTICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. RICHARD 
 
MOHS, SFAE-AV-CH-L, DSN 693-1415 OR COMMERCIAL 314/263-1415.
 
    C.  FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE IS MR. 
 
ROGER BARRE, AMSAV-MPPD, DSN 693-1955 OR COMMERCIAL 314/263-1955.
 
    D.  POINT OF CONTACT FOR THIS MESSAGE IS MR. DONG K. NGUYEN, 
 
AMSAV-XSOF, DSN 693-9089 OR COMMERCIAL 314/263-9089.
 
    E.  FOREIGN MILITARY SALES (FMS) RECIPIENTS REQUIRING 
 
CLARIFICATION OF ACTION ADVISED BY THIS MESSAGE SHOULD CONTACT MR. 
 
RON VAN REES, AMSAV-IOA, DSN 693-2626 OR COMMERCIAL 314/263-2626.
 
    F.  AFTER HOURS CONTACT AVSCOM COMMAND OPERATIONS CENTER (COC) 
 
DSN 693-2066/7 OR COMMERCIAL 314/263-2066/7.