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:AIG 9004
:AIG 7471
:AIG 12124
:CDRUSARDSG CANBERRA ACT AS//AMXIP-AS//
:ARGENTINE AIR ATTACHE FMS WASHINGTON DC
:EGYPT AF FMS CAIRO EG//ED/MA//
:USOMC CAIRO EG//AV//
:ODC ATHENS GR//ODCSA//
:CHJUSMAGK SEOUL KOR//MKAR-AV//
:ROK ARMY FMS PUSAN KOR//ALC-LSD-L//
:CDR160THSOAR FT CAMPBELL KY//AOAV-SI//
:CDRBGAD RICHMOND KY//SIOBG-GC//
:USDAO RABAT MO//AF//
:CDRUSASAC NEW CUMBERLAND PA//AMSAC-SALO-UK//
:ODC MADRID SP//ASM//
:SPAIND ARMY FMS MADRID SP
:AIT TAIPEI TW//TECH//
:TAIWAN ARMY FMS TAIPEI TW
:ROYAL THAI AF FMS BANGKOK TH//BANGSUE DEPOT//
:ROYAL THAI ARMY FMS BANGKOK TH//DUSIT ORDANCE DEPOT//
:CDRUSARDSG LONDON UK//AMXSN-UK-SE//
:ODC LONDON UK
INFO
:FAA SOUTHWEST RGN HQ FORT WORTH TX//ASW-100//
:CDRAMC ALEXANDRIA VA//AMCLG-OP-AVN/AMCSF-A/AMCRDA//
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TEXT
:UNCLAS
SUBJECT - AVIATION SAFETY ACTION MESSAGE, MAINTENANCE MANDATORY, RCS
CSGLD-1860(R1), ALL H-47 SERIES AIRCRAFT, ONE TIME INSPECTION FOR
DEFECTIVE FULL AUTHORITY DIGITAL ELECTRONIC CONTROL (FADEC) P3 DRAIN
CARTRIDGE, CH-47-00-ASAM-06 (TB 1-1520-240-20-126).
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 (ASAM 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 THE CONDITION
STATUS SYMBOL OF THE CITED AIRCRAFT WILL BE CHANGED TO A RED
HORIZONTAL DASH //-//. THE RED HORIZONTAL DASH //-// ENTRY SHALL
STATE: "INSPECT FOR DEFECTIVE FADEC P3 DRAIN CARTRIDGE PRIOR TO NEXT
FLIGHT BUT NLT 5 OCTOBER 2000." THE RED HORIZONTAL DASH //-// MAY BE
CLEARED WHEN THE PROCEDURES IAW PARAGRAPHS 8 AND 9 ARE COMPLETED.
THE AFFECTED AIRCRAFT SHALL BE INSPECTED PRIOR TO THE NEXT FLIGHT,
BUT NO LATER THAN 5 OCTOBER 2000. 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 - SAME AS PARA 1A.
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 AND B) - COMPLY NLT 3
OCTOBER 2000.
F. COMPONENT/PARTS IN STOCK AT ALL LEVELS (DEPOT AND OTHERS) -
N/A.
G. COMPONENTS/PARTS IN WORK (DEPOT LEVEL AND OTHERS) - ITEMS
LISTED IN PARAGRAPHS 6 AND 7 IN WORK WILL NOT BE ISSUED UNTIL
COMPLIANCE WITH THIS MESSAGE.
2. TASK/INSPECTION SUSPENSE DATE PRIOR TO NEXT FLIGHT BUT
NLT 5 OCTOBER 2000.
3. REPORTING COMPLIANCE SUSPENSE DATE - REPORT COMPLIANCE IAW
PARA 14A NLT 13 OCTOBER 2000.
4. SUMMARY OF PROBLEM -
A. MODIFICATION WORK ORDER (MWO) 1-1520-240-50-83 INSTALLS
T55-GA-714A ENGINES ON THE H-47 AIRCRAFT. PART OF THE INSTALLATION
IS A P3 SIGNAL LINE FROM THE ENGINE HYDRO-MECHANICAL ASSEMBLY (HMA)
TO THE DIGITAL ELECTRONIC CONTROL UNIT (DECU). THIS LINE HAS A WATER
DRAIN CARTRIDGE. THE DRAIN CARTRIDGE INCORPORATES A PLASTIC SIGHT
TUBE FOR DETECTING WATER THAT MAY ACCUMULATE IN THE LINE. THE
PLASTIC SIGHT TUBES HAVE NOT BEEN STRESS RELIEVED AND MINUTE AXIAL
CRACKS DEVELOP EASILY WHICH CAN CAUSE P3 AIR LEAKS. IN PRIMARY MODE,
THE P3 SIGNAL IS USED TO CALCULATE A FUEL FLOW LIMIT. IF THE
CARTRIDGE LEAKS, THE P3 SIGNAL TO THE DECU MAY DECREASE ENOUGH TO
CAUSE A LOWERING OF FUEL FLOW BUT NOT ENOUGH TO ENGAGE THE SOFTWARE
FAULT DETECTION LOGIC. THIS WILL RESULT IN A PARTIAL OR COMPLETE
LOSS OF ENGINE POWER WHILE IN PRIMARY MODE.
B. FOR MANPOWER/DOWNTIME AND FUNDING IMPACTS SEE PARA 12.
C. THE PURPOSE OF THIS MESSAGE IS TO -
(1) INSPECT FOR DEFECTIVE P3 WATER DRAIN CARTRIDGES.
(2) REPLACE DEFECTIVE CARTRIDGES AS REQUIRED.
5. END ITEMS TO BE INSPECTED - ALL H-47 SERIES AIRCRAFT.
6. ASSEMBLY COMPONENTS TO BE INSPECTED -
NOMENCLATURE PART NO. NSN
FADEC TOP KIT 145PK010-1 1680-01-459-9029
7. PARTS TO BE INSPECTED -
NOMENCLATURE PART NO. NSN
DRAIN CARTRIDGE L84230 4820-01-471-3259
8. INSPECTION PROCEDURES -
A. DETERMINE IF THE AIRCRAFT HAS A FADEC SYSTEM INSTALLED -
(1) IF THE FADEC SYSTEM IS NOT INSTALLED, THE INSPECTION
IS COMPLETE AND THE RED HORIZONTAL DASH //-// ENTRY MAY BE CLEARED.
(2) IF THE AIRCRAFT IS EQUIPPED WITH A FADEC SYSTEM,
PROCEED TO PARAGRAPH 8B.
B. LOCATE THE P3 LINE DRAIN CARTRIDGES, PART NUMBER L84230,
TM 55-1520-240-23P3, FIG 367, ITEM 79, AND FIG 357, ITEM 75.
THERE IS ONE ON EACH SIDE OF THE AFT CABIN WALL AT APPROXIMATELY
STATION 490.
(1) IF THE P3 LINE DRAIN CARTRIDGE HAS THE LETTER "C"
AFTER THE SERIAL NUMBER, NO FURTHER ACTION IS REQUIRED AND THE
RED HORIZONTAL DASH //-// ENTRY MAY BE CLEARED.
(2) IF THERE IS NO "C" AFTER THE SERIAL NUMBER REPLACE
THE P3 LINE DRAIN CARTRIDGE IAW PARA 9.
9. CORRECTION PROCEDURES -
A. REMOVE THE P3 LINE DRAIN CARTRIDGE.
B. REPLACE WITH A REWORKED P3 LINE DRAIN CARTRIDGE (ONE WITH A
"C" AFTER THE SERIAL NUMBER). THE RED HORIZONTAL DASH //-//
ENTRY MAY BE CLEARED.
C. IF A REWORKED P3 LINE DRAIN CARTRIDGE (ONE WITH A "C" AFTER
THE SERIAL NUMBER) IS NOT AVAILABLE -
(1) INSTALL AN INTERIM PLUG, PART NUMBER AN806D4, AND
O-RING, PART NUMBER MS29512-04.
(2) WHILE THE INTERIM PLUG IS INSTALLED, THE AIRCRAFT SHALL
BE PLACED ON A RED DIAGONAL \\/\\ STATUS. THE RED DIAGONAL \\/\\
ENTRY SHALL STATE: "REMOVE THE INTERIM P3 DRAIN PLUG DURING ENGINE
COMPRESSOR WASHES TO DRAIN ANY ACCUMULATED WATER FROM THE P3 LINE."
(3) WHEN THE INTERIM PLUG IS REPLACED WITH A REWORKED P3
LINE DRAIN CARTRIDGE (ONE WITH A "C" AFTER THE SERIAL NUMBER),
THE RED DIAGONAL \\/\\ ENTRY MAY BE CLEARED.
D. IF A REWORKED P3 LINE DRAIN CARTRIDGE (ONE WITH A "C"
AFTER THE SERIAL NUMBER), OR AN APPROPRIATE INTERIM PLUG IS NOT
IMMEDIATELY AVAILABLE FOR BOTH ENGINES -
(1) CHANGE THE AIRCRAFT STATUS TO RED //X//. THE RED //X//
ENTRY SHALL STATE: "AIRCRAFT NOT IN COMPLIANCE WITH CH-47-ASAM-00-06
(TB 1-1520-240-20-126)."
(2) WHEN BOTH ENGINES HAVE EITHER A REWORKED P3 LINE
DRAIN CARTRIDGE (ONE WITH A "C" AFTER THE SERIAL NUMBER), OR THE
INTERIM PLUG INSTALLED, THE RED //X// ENTRY MAY BE CLEARED.
10. SUPPLY/PARTS AND DISPOSITION -
A. PARTS REQUIRED - ITEMS CITED IN PARAGRAPH 7 MAY BE
REQUIRED TO REPLACE DEFECTIVE ITEMS.
B. REQUISITIONING INSTRUCTIONS - N/A.
C. BULK AND CONSUMABLE MATERIALS - N/A.
D. DISPOSITION - SEND THE REMOVED P3 LINE DRAIN CARTRIDGES
TO THE MANUFACTURER - LOURDES INDUSTRIES, ATTN: MR. ROCKY
CAVALLUZZI, 65 HOFFMAN AVENUE, HAUPPAUGE, NY, 11788-4798. PARTS
WILL BE REPAIRED AND RETURNED.
E. DISPOSITION OF HAZARDOUS MATERIAL - N/A.
11. SPECIAL TOOLS 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 1 MAN-HOUR USING 1 PERSON.
(2) TOTAL OF 1 HOUR DOWNTIME FOR ONE END ITEM.
C. ESTIMATED COST IMPACT TO THE FIELD -
NOMENCLATURE PART NO./NSN QTY COST EA. TOTAL $
PLUG AN806D4 2 $0.37 $0.74
4730-00-287-0110
O-RING MS29512-04 2 0.14 0.28
5331-00-263-8028
TOTAL COST PER AIRCRAFT = $1.02
D. TB/MWOS TO BE APPLIED PRIOR TO OR CONCURRENTLY WITH THIS
INSPECTION MWO 1-1520-240-50-83.
E. PUBLICATIONS WHICH REQUIRE CHANGE AS A RESULT OF THIS
INSPECTION - N/A.
13. REFERENCES -
A. MWO 1-1520-240-50-83.
B. DA PAM 738-751.
C. TM 55-1520-240-23P3.
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, DATAFAX OR E-MAIL
TO CDR, AMCOM, ATTN: AMSAM-SF-A (ASAM 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 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) - NO
SPECIAL REPORT OF THE RESULTS OF THIS INSPECTION IS REQUIRED.
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, EQUIPMENT MODIFICATION RECORD
(REFERENCE ONLY FOR APPLICATION OF MWO 1-1520-240-50-83).
(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 1577-2/DD FORM 1577-3, UNSERVICEABLE
(REPARABLE) TAG/LABEL - MATERIEL (COLOR GREEN). ANNOTATE REMARKS
BLOCK WITH UNSERVICEABLE IAW CH-47-00-ASAM-06
(TB 1-1520-240-20-126)."
15. WEIGHT AND BALANCE - N/A.
16. POINTS OF CONTACT -
A. TECHNICAL POINT OF CONTACT IS MR. LARRY T. WIESCHHAUS,
AMSAM-RD-AE-I-P-C, DSN 897-3341 OR (256) 313-3341, DATAFAX IS DSN
897-4348 OR (256) 313-4348. E-MAIL IS
"LARRY.WIESCHHAUS@REDSTONE.ARMY.MIL".
B. LOGISTICAL POINT OF CONTACT IS MR. BILL OLSON, SFAE-AV-CH-L,
DSN 897-3379 OR (256) 313-3379, DATAFAX IS DSN 897-4348 OR
(256) 313-4348. E-MAIL IS "OLSONW@PEOAVN.REDSTONE.ARMY.MIL".
C. FORMS AND RECORDS POINT OF CONTACT IS MS. ANN WALDECK,
AMSAM-MMC-RE-FF DSN 746-5564 OR (256) 876-5564, DATAFAX IS DSN
746-4904. E-MAIL IS "WALDECK-AB@REDSTONE.ARMY.MIL".
D. SAFETY POINTS OF CONTACT ARE -
(1) PRIMARY - MR. HARRY TRUMBULL (SAIC), AMSAM-SF-A,
DSN 897-2095 OR (256) 313-2095, DATAFAX IS DSN 895-2111 OR (256)
313-2111. E-MAIL IS "HARRY.TRUMBULL@REDSTONE.ARMY.MIL".
(2) ALTERNATE - MR. RUSS 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".
E. FOREIGN MILITARY SALES RECIPIENTS REQUIRING CLARIFICATION OF
ACTION ADVISED BY THIS MESSAGE SHOULD CONTACT: CW5 JOSEPH L.
WITTSTROM, SECURITY ASSISTANCE MANAGEMENT, AMSAM-SA, DSN 897-0410 OR
(256) 313-0410. EMAIL IS "WITTSTROMJL@REDSTONE.ARMY.MIL" OR 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". HUNTSVILLE, AL IS GMT MINUS 5 HRS.
G. AFTER HOURS CONTACT THE AMCOM COMMAND OPERATIONS CENTER
(COC) DSN 897-2066/7 OR (256) 313-2066/7.