Safety of Flight CH-47-93-02

 

         

                              SYNOPSIS


CH-47-93-02   SAFETY OF FLIGHT MESSAGE, TECHNICAL, U.S. ARMY CH-47D, MH-47D

              AND MH-47E AIRCRAFT, UNGROUNDING OF U.S. ARMY CH-47D, MH-47D,

              MH-47E AIRCRAFT, (TB 1-1520-240-20-63).

              302100Z OCT 92, BRAD MEYER, AMSAT-C-XS, X2085.

 
01  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
              CDRATCOM ST LOUIS MO //AMSAT-C-XS//
 
              AIG 8881
 
              AIG 9004
 
              AIG 8708
 
              AIG 9042
 
              CDR4THBN228THAVN SOTO CANO //AVN-AMO//
 
              CDRBGAD RICHMOND KY //SDSBG-GC//
 
         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//
 
              CHUSAS RIYADH SA //ASAV//
 
 
 
CF:  SFAE-AV-CH, AMSAT-R-ECC, AMSAV-I-RAAF, AMSAV-MEA, AMSAV-L-AOC
 
 
 
  BRAD MEYER
  AMSAT-C-XS, X2085                             
 
 
  EDWARD J. HOLLMAN
  CHIEF, SAFETY OFFICE
.
 
                                      UNCLAS
 
 
02  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
              ODC MADRID SP //ARMY AND NAVY SEC//
 
              CJUSMAG BANGKOK TH
 
              CDRUSARDSG LONDON UK //AMXSN-UK-SE//
 
              CDRAMC ALEXANDRIA VA //AMCMR/AMCCS/AMCSM-WAA//
 
         XMT  USDAO DHAKA BG
 
              USDAO RANGOON BM
 
              USDAO COLUMBO CE
 
              USDAO SUVA FJ
 
              OMADP JAKARTA ID
 
              DSA NEW DELHI IN
 
              USDAO ANTANANARIVO MA
 
              CDRATCOM ST LOUIS MO
 
              SAO KUALA LUMPUR MY
 
              USDAO KATMANDU NP //SAO//
 
              USDAO SINGAPORE SN //SAO//
 
UNCLAS RELEASABLE TO NATO ADDRESSEES
 
AIG 9004 TAKE FOR INFO ONLY
 
AIG 8708 TAKE FOR INFO ONLY
 
AIG 9042 TAKE FOR INFO ONLY
 
.
 
                                      UNCLAS
 
 
03  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
SUBJECT - SAFETY-OF-FLIGHT MESSAGE, TECHNICAL, RCS CSGLD-1860(R1), 
 
U.S. ARMY CH-47D, MH-47D AND MH-47E AIRCRAFT, UNGROUNDING OF U.S. 
 
ARMY CH-47D, MH-47D AND MH-47E AIRCRAFT, (CH-47-93-02) (TB 
 
1-1520-240-20-63)
 
NOTE - THIS IS A SAFETY-OF-FLIGHT 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 TRANSMISSION TO COMMANDER, ATCOM, ATTN:  AMSAT-C-XS (SOF 
 
COMPLIANCE OFFICER).
 
1.  PRIORITY CLASSIFICATION - 
 
NOTE - SEE AR 95-3, PARA 5-6A, FOR NONCOMPLIANCE AUTHORITY OF MAJOR 
 
COMMANDERS.
 
    A.  AIRCRAFT IN USE - THE RED //X// MAY BE CLEARED WHEN THE 
 
CORRECTION OF PARAGRAPH 9 BELOW IS COMPLETED.
 
    B.  AIRCRAFT IN DEPOT MAINTENANCE - SAME AS PARA 1A.
 
    C.  AIRCRAFT UNDERGOING MAINTENANCE - SAME AS PARA 1A.
 
    D.  AIRCRAFT IN TRANSIT - 
 
.
 
                                      UNCLAS
 
 
04  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
         (1)  SURFACE/AIR SHIPMENT - SAME AS PARA 1A.
 
         (2)  FERRY STATUS - SAME AS PARA 1A.
 
    E.  MAINTENANCE TRAINERS (CATEGORY A, B AND C) - SAME AS PARA 
 
1A. 
 
    F.  COMPONENT/PARTS IN STOCK INCLUDING AVUM, AVIM, AIMI, DEPOT 
 
AND WAR RESERVES AT ALL LEVELS - PERFORM REPLACEMENT OF ACTUATOR 
 
SCREWS IAW BOEING LETTER/MESSAGE 8-1420-3-4440, DATED 29 OCT 92.  
 
DEPOT SPARES WILL BE CORRECTED BY CCAD TEAMS.  NO HYDRAULIC CHECK IS 
 
REQUIRED.  HYDRAULIC CHECK WILL BE DONE DURING INSTALLATION AS 
 
REQUIRED BY MAINTENANCE MANUAL.
 
                                 NOTE
 
DEPOTS THAT DO NOT HAVE THE CAPABILITY TO INSPECT THE SUBJECT 
 
ASSEMBLIES IN ACCORDANCE WITH THIS MESSAGE, CONTACT THE LOGISTICAL 
 
POINT OF CONTACT.  DO NOT ISSUE UNTIL THIS SAFETY OF FLIGHT MESSAGE 
 
HAS BEEN COMPLIED WITH AND YOU HAVE BEEN NOTIFIED WHICH ARE 
 
SERVICEABLE. 
 
2.  TASK/INSPECTION SUSPENSE DATE - N/A.
 
3.  REPORTING COMPLIANCE SUSPENSE DATE - REPORT IAW PARAGRAPH 14B.
 
4.  SUMMARY OF PROBLEM -
 
.
 
                                      UNCLAS
 
 
05  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
    A.  CH-47-93-01, DTG 232230Z OCT 92 GROUNDED ALL U.S. ARMY 
 
CH-47D, MH-47D AND MH-47E AIRCRAFT DUE TO THE MATERIAL FAILURE OF A 
 
SCREW IN THE UPPER BOOST ACTUATOR CONTROL VALVE DUE TO HYDROGEN 
 
EMBRITTLEMENT.
 
                                NOTE:
 
          CH-47C AIRCRAFT WERE NOT AFFECTED BY CH-47-93-01.
 
    B.  REPLACEMENT SCREWS ARE MADE OF A DIFFERENT MATERIAL, HAVE 
 
BEEN SILVER-PLATED AND HAVE A NYLON LOCKING FEATURE BONDED TO THEM 
 
AND ARE IDENTIFIED BY SIX (6) DIMPLES ON THE HEAD.   BOEING TEAMS 
 
ARE BEING SENT TO CENTRALIZED LOCATIONS TO TRAIN UNIT MAINTENANCE 
 
PERSONNEL (AVUM) AND AVAILABLE CH-47D LOGISTICS ASSISTANCE 
 
REPRESENTATIVES (LAR) ON THE PROPER INSTALLATION AND INSPECTION OF 
 
THE NEW SCREWS.  UNITS WILL BE TELEPHONICALLY NOTIFIED OF TRAINING 
 
SCHEDULE.  ANY QUESTIONS SHOULD BE DIRECTED TO THE LOGISTICAL POC.  
 
THE NEW SCREWS AND WRITTEN INSTRUCTIONS WILL BE PROVIDED BY BOEING 
 
TEAMS.  (ADDITIONAL COPIES OF BOEING LETTER/MESSAGE 8-1420-3-4440, 
 
DATED 29 OCT 92 MAY BE OBTAINED FROM LOCAL LAR).  UNITS ARE REQUIRED 
 
TO PROVIDE QUALIFIED MAINTENANCE PERSONNEL TO ATTEND TRAINING WHICH 
 
MAY BE CONDUCTED AFTER NORMAL WORKING HOURS.
 
.
 
                                      UNCLAS
 
 
06  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
    C.  THE PURPOSE OF THIS MESSAGE IS TO PROVIDE UNGROUNDING 
 
INSTRUCTIONS FOR U.S. ARMY CH-47D, MH-47D AND MH-47E AIRCRAFT.
 
5.  END ITEMS TO BE INSPECTED - U.S. ARMY CH-47D, MH-47D AND MH-47E 
 
AIRCRAFT.  CH-47D AIRCRAFT SERIAL NUMBERS 91-00267 AND SUBSEQUENT 
 
WILL BE CORRECTED BY CONTRACTOR PRIOR TO DELIVERY AND RECORDS WILL 
 
NOT REQUIRE IDENTIFICATION OF THIS ACTION.  MH-47E AIRCRAFT SERIAL 
 
NUMBERS 90-00414 AND SUBSEQUENT WILL BE CORRECTED BY CONTRACTOR 
 
PRIOR TO DELIVERY AND RECORDS WILL NOT REQUIRE IDENTIFICATION OF 
 
THIS ACTION.
 
6.  ASSEMBLY COMPONENTS AFFECTED - 
 
    NOMENCLATURE              PART NO.              NSN
 
FORWARD AND AFT PIVOTING    145H6600-19       1650-01-304-9016
 
AND SWIVELING UPPER BOOST   145H6600-9        1650-01-151-1713
 
ACTUATOR                    145H6600-11       1650-01-118-5627
 
                            145H6600-20       1650-01-303-7897
 
                            145H6600-10       1650-01-151-5459
 
                            145H6600-12       1650-01-117-4131
 
                            145H6700-18       1650-01-303-7898
 
                            145H6700-10       1650-01-151-9231
 
.
 
                                      UNCLAS
 
 
07  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
                            145H6700-8        1650-01-118-5628
 
                            145H6700-19       1650-01-302-0076
 
                            145H6700-11       1650-01-151-9232
 
                            145H6700-9        1650-01-119-7412 
 
7.  PARTS AFFECTED -
 
    NOMENCLATURE               PART NO.              
 
ACTUATOR SCREW (OLD)       NAS1351-3LL10P
 
ACTUATOR SCREW (OLD)       NAS1351C3LL10P
 
ACTUATOR SCREW (NEW)       NAS1351N3LB10S
 
8.  INSPECTION PROCEDURES - N/A.
 
9.  CORRECTION PROCEDURES -
 
    A.  AFTER TRAINING FROM BOEING TEAMS, MAINTENANCE PERSONNEL 
 
(AVUM) SHALL REPLACE THE EIGHT (8) ACTUATOR SCREWS PER AIRCRAFT IAW 
 
BOEING LETTER/MESSAGE 8-1420-3-4440, DATED 29 OCT 92.  IF BROKEN 
 
ACTUATOR SCREW IS FOUND OR CANNOT BE REMOVED, REPLACEMENT OF THE 
 
ACTUATOR ASSEMBLY IS REQUIRED. 
 
                               WARNING
 
          ANY SCREW DROPPED IN THE ACTUATOR MUST BE REMOVED.
 
                                 NOTE
 
.
 
                                      UNCLAS
 
 
08  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
THIS MESSAGE AUTHORIZES AVUM PERSONNEL TO PERFORM THE DEPOT LEVEL 
 
MAINTENANCE PROCEDURES PER THE BOEING INSTRUCTION ON A ONE TIME, 
 
NONRECURRING BASIS. 
 
    B.  REIDENTIFY ACTUATORS WITH SUFFIX "A" BEHIND THE SERIAL 
 
NUMBER ON A METAL DECAL.  BOEING INSTRUCTIONS ALLOW THE INSTALLATION 
 
OF A METAL DECAL ON THE ACTUATORS.
 
    C.  FLIGHT CONTROL TRAVEL CHECK IAW BOEING INSTRUCTION IS 
 
REQUIRED.
 
    D.  AFTER COMPLETION OF BOEING LETTER/MESSAGE 8-1420-3-4440, 
 
DATED 29 OCT 92, THE RED //X// MAY BE CLEARED.
 
    E.  UNITS SHALL REPORT UNGROUNDED AIRCRAFT ON A DAILY BASIS IAW 
 
PARAGRAPH 14B.
 
10.  SUPPLY/PARTS AND DISPOSITION -
 
    A.  PARTS REQUIRED - BOEING TEAMS WILL PROVIDE REPLACEMENT 
 
PARTS.
 
    B.  REQUISITIONING INSTRUCTIONS - IF REPLACEMENT OF THE ACTUATOR 
 
IS REQUIRED, REQUISITION ACTUATOR USING AIRCRAFT ON GROUND (AOG) 
 
PROCEDURES AND SOF PROJECT CODE "CSX" (CHARLIE-SIERRA-XRAY).  
 
MANDATORY ENTRIES ON REQUISITIONS AND TURN-IN DOCUMENTS ARE:
 
.
 
                                      UNCLAS
 
 
09  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
         (1)  SIGNAL CODE (CC51) SHALL BE "C" (CHARLIE) OR "L" 
 
(LIMA).
 
         (2)  FUND CODE (CC52-53) SHALL BE "H1" (HOTEL-ONE).
 
         (3)  PROJECT CODE (CC57-59) SHALL BE "CSX" 
 
(CHARLIE-SIERRA-XRAY).
 
                                 NOTE
 
PROJECT CODE AND FUND CODES WILL DIRECT FREE ISSUE OF DEPOT LEVEL 
 
REPARABLES AND CONSUMABLE ITEMS ADDRESSED IN SAFETY MESSAGES.  THEY 
 
WILL ALSO PROVIDE A MEANS TO COLLECT HISTORICAL DATA TO SUPPORT 
 
FUTURE BUDGET SUBMISSIONS.  USE OF OTHER SIGNAL CODES, FUND CODES OR 
 
PROJECT CODES WILL RESULT IN THE CUSTOMER PAYING FOR THE PART OR A 
 
REQUISITION REJECTION.  CODES LISTED IN PARA 10B(1) - (3) MUST 
 
APPEAR ON BOTH THE REQUISITION AND TURN-IN DOCUMENTS.
 
    C.  BULK AND CONSUMABLE MATERIALS - BOEING TEAMS WILL PROVIDE 
 
REPLACEMENT PARTS.
 
    D.  DISPOSITION -
 
         (1)  REMOVED SCREWS SHALL BE TAGGED/IDENTIFIED BY SERIAL 
 
NUMBER OF ACTUATOR AND MAIL TO:
 
.
 
                                      UNCLAS
 
 
10  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
                      BOEING HELICOPTER CO.
 
                      GPU CENTER 3E, BLDG 325
 
                      RTE 291 INDUSTRIAL HWY
 
                      RIDLEY PARK, PA  19078-0361
 
                      DODAAC: CH0CJ1
 
                      ATTN:  MR. OWEN KRAHAM
 
         (2)  UNSERVICEABLE ACTUATORS SHALL BE RETURNED TO DEPOT IAW 
 
NORMAL SUPPLY PROCEDURES AFTER NOTIFYING LOGISTICAL POC. 
 
    E.  DISPOSITION OF HAZARDOUS MATERIAL - N/A.
 
11.  SPECIAL TOOLS, JIGS AND FIXTURES REQUIRED - N/A.
 
12.  APPLICATION -
 
    A.  CATEGORY OF MAINTENANCE - AVUM.
 
    B.  TIME REQUIRED - 
 
         (1)  TOTAL OF 6 MANHOURS USING 3 PERSONS.
 
         (2)  TOTAL OF 2 HOURS 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
.
 
                                      UNCLAS
 
 
11  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
INSPECTION - 
 
         (1)  DMWR 55-1650-395, PIVOTING ACTUATOR, DATED 31 JAN 87, 
 
C3 30 MAR 92.
 
         (2)  TM 55-1520-240-23, AVIATION UNIT AND INTERMEDIATE 
 
MAINTENANCE MANUAL, CH-47D HELICOPTER, DATED 10 MAY 83.
 
         (3)  TM 55-1520-240-23P, AVIATION UNIT AND INTERMEDIATE 
 
MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT 
 
MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS), CH-47D HELICOPTER, 
 
DATED 1 NOV 89.
 
13.  REFERENCES - N/A.
 
14.  RECORDING AND REPORTING REQUIREMENTS -
 
    A.  REPORTING COMPLIANCE SUSPENSE DATE (AIRCRAFT) - REPORT IAW 
 
PARAGRAPH 14B ONLY.
 
    B.  TASK/INSPECTION REPORTING SUSPENSE DATE (AIRCRAFT) - REPORT 
 
THE FOLLOWING TO MR. STEPHEN F. KOUCHNERKAVICH, DATAFAX DSN 693-1485 
 
OR COMMERCIAL 314/263-1485 OR TELEPHONE DSN 693-1415 OR COMMERCIAL 
 
314/263-1415.  REPORT BY 0900 HOURS CST ON A DAILY BASIS UNTIL ALL 
 
UNIT AIRCRAFT ARE UNGROUNDED:
 
         (1)  AIRCRAFT SERIAL NUMBER THAT HAVE COMPLETED SCREW 
 
REPLACEMENT.
 
.
 
                                      UNCLAS
 
 
12  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
         (2)  SERIAL NUMBERS OF ACTUATOR ASSEMBLIES THAT REQUIRE 
 
REPLACEMENT.
 
         (3)  SERIAL NUMBER OF SPARE ACTUATORS IN AVUM, AVIM, AND 
 
AIMI THAT HAVE COMPLETED SCREW REPLACEMENT.
 
    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 JUN 92 - 
 
         (1)  DA FORM 2408-5-1, EQUIPMENT MODIFICATION RECORD 
 
(ACTUATOR)
 
         (2)  DA FORM 2408-13, AIRCRAFT STATUS INFORMATION RECORD.
 
         (3)  DA FORM 2408-13-1, AIRCRAFT INSPECTION AND MAINTENANCE 
 
RECORD.
 
         (4)  DA FORM 2408-16, AIRCRAFT COMPONENT HISTORICAL RECORD 
 
(IF ACTUATOR REPLACEMENT IS REQUIRED)
 
         (5)  DA FORM 2410, COMPONENT REMOVAL AND REPAIR/OVERHAUL 
 
RECORD (IF ACTUATOR REPLACEMENT IS REQUIRED)
 
15.  WEIGHT AND BALANCE - N/A.
 
16.  POINTS OF CONTACT -
 
.
 
                                      UNCLAS
 
 
13  13  302100Z OCT  92  OO  OO    UUUU              ZEXW   3041600Z
 
YES
 
    A.  TECHNICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. ROBERT 
 
LAWYER, SFAE-AV-CH-T, DSN 693-1639 OR COMMERCIAL 314/263-1639.
 
    B.  LOGISTICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. STEPHEN 
 
F. KOUCHNERKAVICH, SFAE-AV-CH-L, DSN 693-1415 OR COMMERCIAL 
 
314/263-1415.  DATAFAX NUMBER IS DSN 693-1485 OR COMMERCIAL 
 
314/263-1485.
 
    C.  FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE IS MR. 
 
JOHN ZUBER, AMSAV-MPPD, DSN 693-1955 OR COMMERCIAL 314/263-1955.
 
    D.  SAFETY POINT OF CONTACT FOR THIS MESSAGE IS MR. BRAD MEYER, 
 
AMSAT-C-XS, DSN 693-2085 OR COMMERCIAL 314/263-2085.
 
    E.  FOREIGN MILITARY SALES (FMS) RECIPIENTS REQUIRING 
 
CLARIFICATION OF ACTION ADVISED BY THIS MESSAGE SHOULD CONTACT MW4 
 
JAY NANCE/MR. RON VAN REES, AMSAV-I, DSN 693-3826 OR COMMERCIAL 
 
314/263-3826.
 
    F.  AFTER HOURS CONTACT ATCOM COMMAND OPERATIONS CENTER (COC) 
 
DSN 693-2066/7 OR COMMERCIAL 314/263-2066/7.