Boeing CH-47 Chinook Aviation Safety Action Message CH-47-97-ASAM-03, One time and recurring inspection of Cabin Floor and Ramp 5,000 pound tie-down fittings.

01 13 041913Z FEB 97 PP PP UUUU

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TEXT
:UNCLAS
SUBJECT:  AVIATION SAFETY ACTION MESSAGE (ASAM), MAINTENANCE
MANDATORY, RCS CSGLD-1860(R1), ALL CH-47D, MH-47D, AND MH-47E
AIRCRAFT, ONE TIME AND RECURRING INSPECTION OF CABIN FLOOR AND
RAMP 5,000 POUND TIE-DOWN FITTINGS, P/N 114S2893-6/-13
(CH-47-97-ASAM-03) (TB 1-1520-240-20-94).
NOTE - THIS IS AN AVIATION SAFETY ACTION MESSAGE (ASAM) ISSUED
PER AR 95-3, CHAPTER 5 REVISION VIA MESSAGE, HQ AVSCOM, AMSAV-
XSOF, 181900Z SEP 90, SUBJECT:  CHANGE TO AR 95-3, CHAPTER 5,
SAFETY OF FLIGHT MESSAGES.  THIS ASAM 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 THIS MESSAGE.  ACTION ADDRESSEES WILL IMMEDIATELY
VERIFY THIS TRANSMISSION TO COMMANDER, ATCOM, ATTN:  AMSAT-R-X
(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 ASAM WITHIN THE TIME FRAME REQUIRED
WILL CAUSE THE STATUS SYMBOL TO BE UPGRADED TO A RED //X// FOR
THE 5,000 POUND TIE-DOWN (RING) FITTINGS ONLY.
     B.  AIRCRAFT IN DEPOT MAINTENANCE - INSPECT AND CORRECT
PRIOR TO ISSUE.  AIRCRAFT SHALL NOT BE ISSUED UNTIL COMPLIANCE
WITH THIS ASAM HAS BEEN COMPLETED.
     C.  AIRCRAFT UNDERGOING MAINTENANCE - SAME AS PARA 1A.
     D.  AIRCRAFT IN TRANSIT -
          (1)  SURFACE/AIR SHIPMENT - SAME AS PARA 1A.
          (2)  FERRY STATUS - SAME AS PARA 1A.
     E.  MAINTENANCE TRAINERS (CATEGORY A, B) - COMPLY WITHIN 30
DAYS OF RECEIPT OF THIS ASAM.
     F.  COMPONENT/PARTS IN STOCK AT ALL LEVELS (DEPOT AND
OTHERS) INCLUDING WAR RESERVES - THIS ASAM IS NOT APPLICABLE TO
DEPOT WHOLESALE STOCK, OR OTHERS MAINTAINING RETAIL STOCK.  CH/MH-
47 UNITS WILL PERFORM THE PARA 8 BELOW INSPECTION PRIOR TO
INSTALLATION OF SUBJECT 114S2893 FITTINGS IN AIRCRAFT.  TM
CHANGES WILL REFLECT THIS INSPECTION REQUIREMENT.
2.  TASK/INSPECTION SUSPENSE DATE - WITHIN 10 HOURS/14 DAYS.
3.  REPORTING COMPLIANCE SUSPENSE DATE - NO LATER THAN 26 FEB
1997 PER PARA 14.A OF THIS MESSAGE.
4.  SUMMARY OF PROBLEM -
     A.  IN 1993, SEVERAL INCIDENTS WERE REPORTED OF THE 5,000
POUND TIE-DOWN RINGS UNSCREWING AND PULLING LOOSE FROM THE CABIN
FLOOR.  THESE TIE-DOWN FITTING RINGS ARE ROUTINELY USED TO SECURE
THE FLIGHT ENGINEER/CREW MEMBER SAFETY HARNESS. INVESTIGATION
REVEALED THAT THE CAUSE OF THE PROBLEM WAS MISSING MIL-S-22473
SEALANT ON THE RETAINING BUSHING THREADS, AND SEIZURE OF THE
BUSHING DUE TO PAINT OVERSPRAY, ALLOWING THE TIE-DOWN RING TO
UNSCREW ON ROTATION.
     B.  REFERENCED MESSAGE, CH-47-94-ASAM-05 (TB 1-1520-240-20-
71), 25 APR 94, WAS ISSUED TO INSPECT FIELDED CH/MH-47 AIRCRAFT,
AND ACTION WAS TO BE TAKEN BY BOEING HELICOPTERS (BH) TO INSPECT
AIRCRAFT ON THE PRODUCTION LINE PRIOR TO DELIVERY.
     C.  RECENTLY, DURING FLIGHT OPERATIONS OF AN AUSTRALIAN
CH-47D AIRCRAFT, THE FORWARD RIGHT HAND TIE-DOWN FITTING ON THE
RAMP BACKED OUT OF THE ADAPTER WHILE THE FLIGHT ENGINEER WAS
USING THE TIE-DOWN FITTING TO SECURE HIS SAFETY HARNESS.
INVESTIGATION REVEALED THE ABSENCE OF SEALANT ON THE THREADS OF
THE ADAPTER AND BUSHING, AND NO CONCLUSIVE EVIDENCE THAT THE
AIRCRAFT HAD BEEN INSPECTED/CORRECTED PRIOR TO DELIVERY BY BH.
     D.  FOR MANPOWER/DOWNTIME AND FUNDING IMPACTS, SEE PARA 12
BELOW.
     E.  THE PURPOSE OF THIS ASAM IS TO INSPECT/CORRECT THOSE
CH/MH-47 AIRCRAFT THAT WERE NOT COVERED BY THE REFERENCED ASAM
(SEE PARA 13A BELOW), AND TO ESTABLISH A RECURRING PHASE
MAINTENANCE (200 HOUR) INSPECTION REQUIREMENT FOR ALL AIRCRAFT OF
THE CABIN FLOOR AND RAMP 5,000 POUND TIE-DOWN FITTINGS FOR
SERVICEABILITY TO ENSURE THE SAFETY OF THE FLIGHT ENGINEER/CREW
MEMBER WHEN USING THE SAFETY HARNESS.
5.  END ITEMS TO BE INSPECTED - ALL CH-47D, MH-47D, AND MH-47E
AIRCRAFT, SERIAL NUMBERS 92-0308 THROUGH 93-0934.
6.  ASSEMBLY COMPONENTS TO BE INSPECTED -
    NOMENCLATURE            PART NO.                 NSN
RECEPTACLE ASSY.,          114S2893-6         1670-00-410-5920
TIE-DOWN
RECEPTACLE ASSY.,         114S2893-13         1670-00-410-5919
TIE-DOWN
7.  PARTS TO BE INSPECTED -
    NOMENCLATURE            PART NO.                 NSN
   RING, TIE-DOWN          114S2801-1                N/A
 ADAPTER, TIE-DOWN          22622-51          1670-00-928-6296
  BUSHING, SLEEVE          114S2828-1         3120-01-374-9312
8.  INSPECTION PROCEDURES -
     A.  INSPECT ALL 5,000 POUND TIE-DOWN RECEPTACLES IN THE
CABIN FLOOR AND RAMP FOR SERVICEABILITY, SEE TM 55-1520-240-23-2,
TASK 2-205.1 OR TM 1-1520-252-23-3, TASK 2-109.1.
     B.  IF THE RING STARTS TO UNSCREW OR SCREWS OUT OF THE CABIN
FLOOR/RAMP, THE ASSEMBLY IS SUSPECT AND MUST BE REPAIRED OR
REPLACED.  PROCEED TO PARAGRAPH 9 FOR CORRECTIVE PROCEDURES.
     C.  IF THE RING CAN BE ROTATED BY HAND IN BOTH DIRECTIONS,
NO FURTHER ACTION IS REQUIRED.  RECORD AND REPORT COMPLIANCE WITH
THIS ASAM IN ACCORDANCE WITH PARAGRAPH 14 BELOW.
     D.  HENCEFORTH, ALL CH-47D, MH-47D, AND MH-47E AIRCRAFT
SHALL BE INSPECTED FOR SERVICEABILITY OF CABIN FLOOR AND RAMP
5,000 POUND TIE-DOWN FITTINGS IN ACCORDANCE WITH TASK 2-190.1 OR
TASK 2-205.1 OF REFERENCED TMS (SEE PARAGRAPHS 13B AND 13C
BELOW) AT EACH PHASE MAINTENANCE (200 HOUR) INSPECTION INTERVAL.
9.  CORRECTION PROCEDURES -
     A.  PREPARE THE AIRCRAFT FOR SAFE GROUND MAINTENANCE.
     B.  REMOVE SUSPECT 5,000 POUND TIE-DOWN RECEPTACLES.  SEE TM
55-1520-240-23-2, TASK 2-205 OR TM 1-1520-252-23-3, TASK 2-190.
     C.  INSTALL 5,000 POUND TIE-DOWN RECEPTACLES, PAYING
PARTICULAR ATTENTION TO COATING THE THREADS OF THE ADAPTER AND
BUSHING WITH SEALANT.  SEE TM 55-1520-240-23-2, TASK 2-206 OR
TM 1-1520-252-23-3, TASK 2-191.
10.  SUPPLY/PARTS AND DISPOSITION -
     A.  PARTS REQUIRED - ITEMS CITED IN PARA 6 AND 7 ABOVE MAY
BE REQUIRED TO REPLACE DEFECTIVE ITEMS.
     B.  REQUISITIONING INSTRUCTIONS - N/A.
     C.  BULK AND CONSUMABLE MATERIALS - AS SPECIFIED IN
REFERENCED TM TASKS 2-206 AND 2-191 UNDER INITIAL SETUP.
     D.  DISPOSITION -N/A.
     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.
     B.  ESTIMATED TIME REQUIRED -
          (1)  TOTAL OF 2 MAN-HOURS USING 1 PERSON.
          (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
INSPECTION -
          (1)  TM 55-1520-240-PM AND TM 1-1520-252-PM WILL BE
CHANGED PER THIS ASAM TO REQUIRE A PHASE (200 HOUR) INSPECTION OF
THE CABIN FLOOR AND RAMP 5,000 POUND TIE-DOWN FITTINGS FOR
SERVICEABILITY IN ACCORDANCE WITH TASK 2-205.1 OF TM 55-1520-240-
23-2 OR TASK 2-109.1 OF TM 1-1520-252-23-3.
          (2)  A COPY OF THIS ASAM SHALL BE INSERTED IN THE
APPROPRIATE TMS AS AUTHORITY TO IMPLEMENT THE CHANGE UNTIL THE
TAG PRINTED CHANGE IS RECEIVED.  PEN AND INK CHANGES ARE
AUTHORIZED.
13.  REFERENCES -
     A.  MESSAGE, ATCOM, AMSAT-C-XS, 251350Z APR 94, SUBJECT:
AVIATION SAFETY ACTION MESSAGE (ASAM), MAINTENANCE MANDATORY, RCS
CSGLD-1860(R1), ALL CH-47D, MH-47D, MH-47E, ONE TIME INSPECTION
OF THE 5000 POUND TIE-DOWN RECEPTACLE ASSEMBLIES AND PROVIDE
INSTRUCTIONS TO CORRECT DEFECTIVE TIE-DOWN RECEPTACLE ASSEMBLIES
P/N 114S2893 (CH-47-94-ASAM-05)(TB 1-1520-240-20-71).
     B.  TM 55-1520-240-23-2.
     C.  TM 1-1520-252-23-3.
     D.  TM 55-1520-240-PM.
     E.  TM 1-1520-252-PM.
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, FORWARD A PRIORITY MESSAGE, DATA FAX OR
E-MAIL TO COMMANDER, ATCOM, ATTN: AMSAT-R-X (SOF COMPLIANCE
OFFICER), PER AR 95-3.  DATA FAX NUMBER IS DSN 693-2064 OR
COMMERCIAL 314/263-2064.  E-MAIL ADDRESS IS "AMSATRXS (AT SIGN)
EMH4.STL.ARMY.MIL".  THE REPORT WILL CITE THIS ASAM 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) -
UNITS WILL FORWARD A PRIORITY MESSAGE OR DATA FAX TO: COMMANDER,
ATCOM, ATTN: AMCPM-CH-L FOR THE LOGISTICAL POINT OF CONTACT,
PARAGRAPH 16B BELOW.  DATA FAX NUMBER IS DSN 693-1485 OR
COMMERCIAL 314/263-1485.  THE REPORT WILL CITE THIS ASAM NUMBER,
DATE OF INSPECTION, AIRCRAFT SERIAL NUMBER, AIRCRAFT HOURS, AND
RESULTS OF THE INSPECTION.  INSPECTION AND REPORTS WILL BE
COMPLETED NO LATER THAN 7 DAYS AFTER TASK/INSPECTION SUSPENSE
DATE.
     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 2408-13, AIRCRAFT STATUS INFORMATION
RECORD.
          (2)  DA FORM 2408-13-1, AIRCRAFT INSPECTION AND
MAINTENANCE RECORD.
          (3)  DA FORM 2408-15, HISTORICAL RECORD FOR AIRCRAFT.
          (4)  DA FORM 2408-18, EQUIPMENT INSPECTION LIST.
15.  WEIGHT AND BALANCE - N/A.
16.  POINTS OF CONTACT -
     A.  TECHNICAL POINT OF CONTACT FOR THIS MESSAGE IS
MR. ROBERT A. LAWYER, AMSAT-R-ECC, DSN 693-3820 OR COMMERCIAL
314/263-3820, AND FAX IS DSN 693-1485 OR COMMERCIAL 314/263-1485.
     B.  LOGISTICAL POINT OF CONTACT FOR THIS MESSAGE IS MR. NORM
HUSTON, AMCPM-CH-L, DSN 693-1415 OR COMMERCIAL 314/263-1415, AND
FAX IS DSN 693-1485 OR COMMERCIAL 314/263-1485.
     C.  WHOLESALE MATERIEL POINT OF CONTACT (SPARES) FOR THIS
MESSAGE IS MR. HAL BARNES, AMSAT-I-SACA, DSN 693-6031 OR
COMMERCIAL 314/263-6031, AND FAX IS DSN 693-6022 OR COMMERCIAL
314/263-6022.
     D.  FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE IS
MS. ANN WALDECK, AMSAT-I-MDM, DSN 693-2318 OR COMMERCIAL 314/263-
2318.
     E.  SAFETY POINT OF CONTACT FOR THIS MESSAGE IS MR. JIM
WILKINS, AMSAT-R-X, DSN 693-2258 OR COMMERCIAL 314/263-2258.
     F.  FOREIGN MILITARY SALES (FMS) RECIPIENTS REQUIRING
CLARIFICATION OF ACTION ADVISED BY THIS ASAM SHOULD CONTACT CW5
JAY NANCE OR MR. RON VAN REES, AMSAT-D-S, DSN 693-7844/3216 OR
COMMERCIAL 314/263-7844/3216.
     G.  AFTER HOURS CONTACT ATCOM COMMAND OPERATIONS CENTER
(COC), DSN 693-2066/7 OR COMMERCIAL 314/263-2066/7.