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:UNCLAS
SUBJECT - AVIATION SAFETY ACTION MESSAGE, MAINTENANCE MANDATORY,
RCS CSGLD-1860(R1), ALL H-47 AIRCRAFT, ONE TIME INSPECTION OF
ROTOR HEAD ASSEMBLY DROOP STOP BOLTS FOR PROPER LENGTH,
CH-47-01-ASAM-05 (TB 1-1520-240-20-132).
                              NOTE
THIS IS AN AVIATION SAFETY ACTION MESSAGE ISSUED IAW AR 95-1,
CHAPTER 6, 1 SEP 97.  THIS MESSAGE 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 TRANSMISSION TO CDR, AMCOM, ATTN:  AMSAM-SF-A (SOF
COMPLIANCE OFFICER).
1.  PRIORITY CLASSIFICATION -
                             NOTE
IAW AR 95-1, PARA 6-6A, MACOM COMMANDERS MAY AUTHORIZE TEMPORARY
EXCEPTION FROM ASAM MESSAGE REQUIREMENTS.  EXCEPTION MAY ONLY
OCCUR WHEN COMBAT OPERATIONS OR MATTER OF LIFE OR DEATH IN CIVIL
DISASTERS OR OTHER EMERGENCIES ARE SO URGENT THAT THEY OVERRIDE
THE CONSEQUENCES OF CONTINUED AIRCRAFT OPERATION.
    A.  AIRCRAFT IN USE - UPON RECEIPT OF THIS MESSAGE, MAKE THE
FOLLOWING ENTRY ON THE DA FORM 2408-13-1.  ENTER A RED HORIZONTAL
DASH //-// STATUS SYMBOL WITH THE FOLLOWING STATEMENT: "INSPECT
DROOP STOP BOLTS IAW CH-47-01-ASAM-05 (TB 1-1520-240-20-132)
WITHIN THE NEXT 10 FLIGHT HOURS, BUT NLT 29 DEC 00."  CLEAR THE
RED HORIZONTAL DASH //-// ENTRY WHEN THE PROCEDURES IAW PARA 8
AND 9 ARE COMPLETED.  THE AFFECTED AIRCRAFT SHALL BE INSPECTED AS
SOON AS PRACTICAL BUT NO LATER THAN NLT 29 DEC 00.  COMMANDERS
WHO ARE UNABLE TO COMPLY WITH THE REQUIREMENTS OF THIS MESSAGE
WITHIN THE TIME FRAME SPECIFIED WILL UPGRADE THE AFFECTED
AIRCRAFT STATUS SYMBOL TO A RED //X//.
    B.  AIRCRAFT IN DEPOT MAINTENANCE - DEPOT COMMANDERS WILL NOT
ISSUE AIRCRAFT UNTIL THEY ARE IN COMPLIANCE WITH THIS MESSAGE.
    C.  AIRCRAFT UNDERGOING MAINTENANCE - SAME AS PARA 1A
    D.  AIRCRAFT IN TRANSIT -
        (1)  SURFACE/AIR SHIPMENT - WITHIN 10 HOURS/ 14 DAYS OF
ARRIVAL.
        (2)  FERRY STATUS -
             (A)  SAME AS PARA 1A.
             (B)  BOEING, PHILADELPHIA WILL INSPECT CH-47F
AIRCRAFT PRIOR TO FIRST FLIGHT.
    E.  MAINTENANCE TRAINERS (CATEGORY A AND B) - COMPLY NLT 30
MARCH 2001.
    F.  COMPONENT/PARTS IN STOCK AT ALL LEVELS (DEPOT AND OTHERS)
INCLUDING WAR RESERVES - UPON RECEIPT OF THIS MESSAGE, DEPOT AND
MATERIEL ACTIVITY COMMANDERS WILL ENSURE THE MATERIEL CONDITION
TAGS OF ALL ITEMS IN ALL CONDITION CODES LISTED IN PARAGRAPH 6 IS
ANNOTATED TO READ: "CH-47-01-ASAM-05 (TB 1-1520-240-20-132),
INSPECTION OF ROTOR HEAD ASSEMBLY DROOP STOP BOLTS FOR PROPER
LENGTH NOT COMPLIED WITH".
2.  TASK/INSPECTION SUSPENSE DATE - COMPLETE THE INSPECTION IAW
PARAGRAPH 8 WITHIN THE NEXT 10 FLIGHT HOURS BUT NLT 29 DEC 00 AND
REPORT IAW PARA 14B.
3.  REPORTING COMPLIANCE SUSPENSE DATE - REPORT COMPLIANCE IAW
PARA 14A NLT 8 JANUARY 2001.
4.  SUMMARY OF PROBLEM -
    A.  AN ACCIDENT OCCURRED DURING SHUTDOWN OF A CH-47D.
INVESTIGATION WAS CONDUCTED AND FINDINGS INDICATED THAT 2
INCORRECT BOLTS WERE INSTALLED IN THE DROOP STOP ON THE RED BLADE
OF THE AFT ROTOR HEAD ASSEMBLY.  A SHORTER BOLT P/N NAS624H5 WAS
INSTALLED INSTEAD OF THE CORRECT BOLT P/N NAS624H7 (1/8 INCH
DIFFERENCE).  IT APPEARS THE EXCESSIVE FORCE ON THE THREADS ALONG
WITH LOADS SEEN DURING DROOP STOP CONTACT CAUSED THE THREADS ON
THE BOLTS TO FAIL.
    B.  FOR MANPOWER/DOWNTIME AND FUNDING IMPACTS SEE PARA 12.
    C.  THE PURPOSE OF THIS MESSAGE IS TO REQUIRE -
        (1)  A ONE TIME INSPECTION OF DROOP STOP BOLTS ON ALL H-
47 ROTOR HEAD ASSEMBLIES FOR PROPER LENGTH.
        (2)  TO INSPECT RETAIL STOCKAGE AND STORAGE OF BOLTS TO
INSURE PROPER IDENTIFICATION.
5.  END ITEMS TO BE INSPECTED - ALL H-47 AIRCRAFT.
6.  ASSEMBLY COMPONENTS TO BE INSPECTED -
   NOMENCLATURE            PART NO.
FORWARD ROTOR HEAD ASSY   145R2003-ALL
AFT ROTOR HEAD ASSY       145R2004-ALL
7.  PARTS TO BE INSPECTED -
    NOMENCLATURE           PART NO.              NSN
BOLT ASSEMBLY             NAS624H7          5306-00-862-8202
DROOP STOP, FWD          114R2063-7         1615-00-967-9759
DROOP STOP, AFT          114R2087-3         1615-01-199-1785
8.  INSPECTION PROCEDURES -
    A.  RETAIL STOCK INSPECTION -
        (1)  INSPECT BOLTS IN RETAIL/BENCH STOCK IAW PARA
8B(3)BELOW.
        (2)  INSPECT RETAIL/BENCH STOCK STORAGE BINS TO ENSURE
THAT BOLTS ARE SORTED AND LABELED CORRECTLY.
    B.  AIRCRAFT INSPECTION -
                             NOTE
            THIS MESSAGE AUTHORIZES THE REUSE OF THE DROOP STOP
            BOLT AFTER PERFORMING A SERVICEABILITY CHECK.
            THE REQUIREMENT IN THE MANUAL FOR INSTALLING ONLY
            NEW BOLTS IS REMOVED FOR THIS ONE TIME INSPECTION
            ONLY FOLLOWING SERVICEABILITY CHECK OF BOLT.
        (1)  PREPARE AIRCRAFT FOR SAFE GROUND MAINTENANCE.
        (2)  REMOVE DROOP STOP BOLTS (12 TOTAL) IAW TM 55-1520-
240-23, TASK 5-48 (CH-47D) AND TM 1 55-1520-252-23, TASK 5-59
(MH-47E).
        (3)  INSPECT BOLT FOR PROPER LENGTH.  THE NAS624H7 BOLT
SHALL BE .912 +/- .015 INCHES (MEASURED FROM UNDER HEAD OF BOLT
TO END OF THREADS).
        (4)  IF LENGTH IS CORRECT, INSPECT BOLT FOR
SERVICEABILITY BY CHECKING FOR CORROSION, DAMAGED THREADS, AND
INSPECTING THREAD ROOTS FOR CRACKS WITH A 10X MAGNIFYING GLASS.
IF BOLT IS CRACKED, CONTACT TECHNICAL POC IN PARAGRAPH 16A.
        (5)  IF BOLT IS THE PROPER LENGTH AND IS SERVICEABLE,
REINSTALL PER TM 55-1520-240-23, TASK 5-48 (CH-47D) AND TM 1 55-
1520-252-23, TASK 5-59 (MH-47E). THE INSPECTION IS COMPLETE. IF THE
BOLT IS THE WRONG LENGTH, CONTACT LOGISTICAL POC IN PARAGRAPH 16B.
        (6)  IF BOLT IS IMPROPER LENGTH OR DOES NOT PASS
SERVICEABILITY CHECK, INSPECT THREADS OF DROOP STOP FOR
SERVICEABILITY BY CHECKING FOR CORROSION OR DAMAGED THREADS.  IF
NO DAMAGE OR CORROSION IS FOUND, ATTEMPT TO SCREW IN A NEW BOLT
BY HAND THROUGH AT LEAST FOUR THREADS OF THE DROOP STOP.  IF BOLT
DOES NOT SCREW IN PROPERLY USING HAND PRESSURE, THE DROOP STOP IS
UNSERVICEABLE.  PROCEED TO PARAGRAPH 9.
9.  CORRECTION PROCEDURES - IF BOLTS WERE UNSERVICEABLE DUE TO
DAMAGE, CORROSION OR IMPROPER LENGTH, PERFORM THE FOLLOWING
CORRECTIVE ACTIONS:
                             WARNING
            MEASURE NEW BOLT TO THE ABOVE DIMENSIONS TO
            ENSURE CORRECT BOLT LENGTH.
    (A)  IF DROOP STOP IS SERVICEABLE, REINSTALL WITH NEW BOLTS IAW
TM 55-1520-240-23, TASK 5-48 (CH-47D) AND TM 1 55-1520-252-23, TASK
5-59 (MH-47E).
    (B)  IF DROOP STOP IS UNSERVICEABLE, REPLACE DROOP STOP AND
REINSTALL WITH NEW BOLTS IAW TM 55-1520-240-23, TASK 5-48 (CH-
47D) AND TM 1 55-1520-252-23, TASK 5-59 (MH-47E).
10.  SUPPLY/PARTS AND DISPOSITION -
     A.  PARTS REQUIRED -
  NOMENCLATURE      PART NUMBER              NSN
BOLT                NAS624H           5306-00-862-8202
DROOP STOP, AFT     114R2087-3        1615-01-199-1785
DROOP STOP, FWD     114R2063-7        1615-00-967-9759
     B.  REQUISITIONING INSTRUCTIONS - REQUISITION REPLACEMENT
PARTS USING NORMAL SUPPLY PROCEDURES.  ALL REQUISITIONS SHALL USE
PROJECT CODE (CC 57-59) "XOF", "X-RAY-ZERO-FOXTROT".
                              NOTE
            PROJECT CODE "XOF", "X-RAY-ZERO-FOXTROT"
            IS REQUIRED TO TRACK AND ESTABLISH A DATA
            BASE OF STOCK FUND EXPENDITURES INCURRED
            BY THE FIELD AS A RESULT OF SOF ACTIONS.
     C.  BULK AND CONSUMABLE MATERIALS -
   NOMENCLATURE,    PART NUMBER,             NSN.
LOCKWIRE            MS20995NC20         9525-00-618-0257
     D.  DISPOSITION - DISPOSE OF REMOVED PARTS/COMPONENTS USING
NORMAL SUPPLY PROCEDURES.  (IF CRACK IS DETECTED IN BOLT CONTACT
TECHNICAL POINT OF CONTACT IN PARAGRAPH 16A FOR DISPOSITION
INSTRUCTIONS).
     E.  DISPOSITION OF HAZARDOUS MATERIAL - N/A.
11.  SPECIAL TOOLS AND FIXTURES REQUIRED - N/A
12.  APPLICATION -
     A.  CATEGORY OF MAINTENANCE -  AIRCRAFT DOWNTIME WILL BE
CHARGED TO AVUM.  REPORT AIRCRAFT NON-MISSION CAPABLE MAINTENANCE
(NMCM) WHILE UNDERGOING INSPECTION AND CORRECTION IAW THIS
MESSAGE.
     B.  ESTIMATED TIME REQUIRED -
         (1)  TOTAL OF 18 MAN-HOURS USING 3 PERSONS.
         (2)  TOTAL OF 6 HOURS DOWNTIME FOR ONE END ITEM.
     C.  ESTIMATED COST IMPACT TO THE FIELD -
NOMENCLATURE      PART NO./NSN      QTY     COST EA.    TOTAL $
BOLT             NAS624H7             12     $7.50       $90.00
                   5306-00-862-8202
DROOP STOP, AFT  114R2087-3           3    $134.12      $402.36
                   1615-01-199-1785
DROOP STOP, FWD  114R2063-7           3     $27.95       $83.85
                   1615-00-967-9759
    TOTAL COST IF ANY ONE AIRCRAFT REQUIRED REPLACEMENT OF ALL
                           BOLTS AND DROOP STOPS    $576.21
     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 -
         (1)  TM 55-1520-240-23P-1, FIGURE 176, ITEM 94.  ADD
SECOND ITEM 94, 114R2087-3 DROOP STOP U/O P/N 145R2004-20.
         (2)  TM 1-1520-252-23P-2,
              A. FIGURE 5-4 ITEM 94 CHANGE U/O P/N TO 114R2003-10
              B. FIGURE 5-5 ITEM 94 CURRENT ITEM 94 CHANGE TO U/O
P/N 145R2004-20.
         (3)  TM 55-1520-240-23-4, TASK 5-48 PAGE 5-168 ADD NOTE
BEFORE STEP 9. TO READ AS FOLLOWS: NOTE - PRIOR TO INSTALLATION
MEASURE NEW BOLT TO INSURE BOLT IS PROPER LENGTH 0.912 +/- 0.015
INCHES (MEASURED FROM UNDER HEAD OF BOLT TO END OF THREADS)
         (4)  TM 1-1520-252-23-5, TASK 5-59 PAGE 3 ADD NOTE
BEFORE STEP 9. TO READ AS FOLLOWS NOTE PRIOR TO INSTALLATION
MEASURE NEW BOLT TO INSURE BOLT IS PROPER LENGTH 0.912 +/- 0.015
INCHES (MEASURED FROM UNDER HEAD OF BOLT TO END OF THREADS)
13.  REFERENCES -
     A.  DA PAM 738-751, 15 MAR 99.
     B.  TM 55-1520-240-23.
     C.  TM 1-1520-252-23.
14.  RECORDING AND REPORTING REQUIREMENTS -
     A.  REPORTING COMPLIANCE SUSPENSE DATE (AIRCRAFT) - UPON
ENTERING REQUIREMENTS OF THIS MESSAGE ON DA FORM 2408-13-1 ON ALL
SUBJECT MDS AIRCRAFT, COMMANDERS WILL FORWARD A PRIORITY MESSAGE,
DATAFAX OR E-MAIL TO CDR, AMCOM, ATTN:  AMSAM-SF-A (SOF COMPLIANCE
OFFICER), REDSTONE ARSENAL, AL 35898-5000, IAW AR 95-1.  DATAFAX
NUMBER IS DSN 897-2111 OR (256) 313-2111.  E-MAIL ADDRESS IS
"SAFEADM@REDSTONE.ARMY.MIL".  THE REPORT WILL CITE THIS MESSAGE
AND TB NUMBER, DATE OF ENTRY IN DA FORM 2408-13-1, THE AIRCRAFT
MISSION DESIGN SERIES AND SERIAL NUMBERS OF AIRCRAFT IN NUMERICAL
ORDER.
     B.  TASK/INSPECTION REPORTING SUSPENSE DATE (AIRCRAFT) -
UPON COMPLETION OF INSPECTION, COMMANDERS WILL FORWARD A PRIORITY
MESSAGE TO: LOGISTICS POINT OF CONTACT PARAGRAPH 16B.  THE REPORT
WILL CITE THIS MESSAGE AND TB NUMBER, DATE OF INSPECTION,
AIRCRAFT SERIAL NUMBER, AIRCRAFT AND ROTOR HEAD HOURS, AND
RESULTS OF THE INSPECTION.  INSPECTION AND REPORTS WILL BE
COMPLETED NLT 30 JANUARY 2001.
     C.  REPORTING MESSAGE RECEIPT (SPARES) - N/A.
     D.  TASK/INSPECTION REPORTING SUSPENSE DATE (SPARES) - N/A.
     E.  THE FOLLOWING FORMS ARE APPLICABLE AND ARE TO BE
COMPLETED IAW DA PAM 738-751, 15 MAR 99 -
                             NOTE
            ULLS-A USERS WILL USE APPLICABLE "E" FORMS.
         (1)  DA FORM 2408-5-1, EQUIPMENT MODIFICATION RECORD
(FWD/AFT MAIN ROTOR HEAD).
         (2)  DA FORM 2408-13, AIRCRAFT STATUS INFORMATION
RECORD.
         (3)  DA FORM 2408-13-1, AIRCRAFT INSPECTION AND
MAINTENANCE RECORD.
         (4)  DA FORM 2408-15, HISTORICAL RECORD FOR AIRCRAFT.
         (5)  DD FORM 1574/DD FORM 1574-1, SERVICEABLE TAG/LABEL
- MATERIEL (COLOR YELLOW).  ANNOTATE REMARKS BLOCK WITH "CH-47-
01-ASAM-05 (TB 1-1520-240-20-132) NOT COMPLIED WITH"
         (6)  DD FORM 1577/DD FORM 1577-1, UNSERVICEABLE (CONDEMNED)
TAG/LABEL - MATERIEL (COLOR RED).  ANNOTATE REMARKS BLOCK WITH
"CONDEMNED IAW CH-47-01-ASAM-05 (TB 1-1520-240-20-132)AND MUTILATED
IAW TM 1-1500-328-23."
15.  WEIGHT AND BALANCE - N/A.
16.  POINTS OF CONTACT -
     A.  TECHNICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. LARRY
WIESCHHAUS, AMSAM-RD-AE-I-P-C, DSN 897-3341 OR (256) 313-3341,
DATAFAX IS DSN 897-4348.
E-MAIL IS "LARRY.WIESCHHAUS@REDSTONE.ARMY.MIL".
     B.  LOGISTICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. BILL
OLSON, SFAE-AV-CH-L, DSN 897-3379 OR (256) 313-3379, DATAFAX IS
EXT 4348.  E-MAIL IS "WILLIAM.OLSON@PEOAVN.REDSTONE.ARMY.MIL".
     C.  WHOLESALE MATERIEL POINT OF CONTACT (SPARES) IS - N/A.
     D.  FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE IS
MS. ANN WALDECK, AMSAM-MMC-RE-FF DSN 746-5564 OR (256) 876-5564,
DATAFAX IS DSN 746-4904.  E-MAIL IS
"ANN.WALDECK@REDSTONE.ARMY.MIL".
     E.  SAFETY POINTS OF CONTACT ARE -
         (1)  PRIMARY - MR. FRANK ROSEBERY(SAIC), AMSAM-SF-A, DSN
788-8631 OR (256) 842-8631, DATAFAX IS DSN 897-2111 OR (256) 313-
2111.  E-MAIL IS "FRANK.ROSEBERY@REDSTONE.ARMY.MIL".
         (2)  ALTERNATE - MR. RUSSELL PEUSCH, AMSAM-SF-A, DSN
788-8632 OR (256) 842-8632, DATAFAX IS DSN 897-2111 OR (256) 313-
2111.  E-MAIL IS "RUSSELL.PEUSCH@REDSTONE.ARMY.MIL".
     F.  FOREIGN MILITARY SALES RECIPIENTS REQUIRING
CLARIFICATION OF ACTION ADVISED BY THIS MESSAGE SHOULD CONTACT -
         (1)  CW5 JOSEPH L. WITTSTROM, SECURITY ASSISTANCE
MANAGEMENT, AMSAM-SA, DSN 897-0410 OR (256) 313-0410.  EMAIL IS
"WITTSTROMJL@REDSTONE.ARMY.MIL".
         (2)  MR. RONNIE W. SAMMONS, AMSAM-SA-CS-NF, DSN 897-0408
OR (256) 313-0408.  DATAFAX IS DSN 897-0411 OR (256) 313-0411.
EMAIL IS "SAMMONSRW@REDSTONE.ARMY.MIL".
     G.  AFTER HOURS CONTACT THE AMCOM COMMAND OPERATIONS CENTER
(COC) DSN 897-2066/7 OR (256) 313-2066/7.  HUNTSVILLE, AL IS GMT
MINUS 6 HRS.