Boeing CH-47 Chinook Aviation Safety Action Message CH-47-97-ASAM-09, Operation of T-62T-2B Auxiliary Power Unit (APU) and report of APU flight hours.

      
01 11 291851Z MAY 97 PP PP UUUU   AA ZYUW
                                                             
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:UNCLAS
SUBJECT - AVIATION SAFETY ACTION MESSAGE, RCS CSGLD-
1860(R1), OPERATIONAL, ALL CH-47D, MH-47D, AND MH-47E
AIRCRAFT, OPERATION OF T-62T-2B AUXILIARY POWER UNIT (APU)
AND REPORT OF APU FLIGHT HOURS (CH-47-97-ASAM-09)
    NOTE - THIS MESSAGE IS EFFECTIVE UNTIL 31 MAY 98 UNLESS
SOONER RESCINDED OR SUPERSEDED.
    NOTE - THIS IS AN AVIATION SAFETY ACTION MESSAGE 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 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 RETRANSMISSION
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 MESSAGE WITHIN THE TIME FRAME WILL
CAUSE THE STATUS SYMBOL TO BE UPGRADED TO A RED //X//.
    B.  AIRCRAFT IN DEPOT MAINTENANCE -SAME AS PARAGRAPH 1A.
    C.  AIRCRAFT UNDERGOING MAINTENANCE - SAME AS PARAGRAPH
1A.
    D.  AIRCRAFT IN TRANSIT -
        (1)  SURFACE/AIR SHIPMENT - SAME AS PARAGRAPH 1A.
        (2)  FERRY STATUS - SAME AS PARAGRAPH 1A.
    E.  MAINTENANCE TRAINERS (CATEGORY A, AND B) - SAME AS
PARAGRAPH 1A.
    F.  COMPONENT/PARTS IN STOCK INCLUDING WAR RESERVES AT
ALL LEVELS (DEPOT AND OTHERS) -
        (1)  RETAIL STOCK - UPON RECEIPT OF THIS MESSAGE ALL
ITEMS LISTED IN PARAGRAPH 6 BELOW SHALL BE PLACED IN
CONDITION CODE //D// AND RETAGGED WITH A TEST/MODIFICATION
TAG/LABEL - MATERIAL (BLUE COLOR) DD FORM 1576/1576-1.  THE
AUTHORITY BLOCK MUST REFERENCE INSPECTION REQUIRED PER THIS
MESSAGE.  ITEMS REPORTED AS SERVICEABLE IAW PARAGRAPH 8
SHALL BE RETAGGED WITH A SERVICEABLE TAG/LABEL - MATERIAL DD
FORM 1574/1574-1 (YELLOW COLOR
        (2)  WHOLESALE STOCK - UPON RECEIPT OF THIS MESSAGE
ALL ITEMS LISTED IN PARAGRAPH 6 BELOW SHALL BE INSPECTED IAW
PARAGRAPH 8.  REQUESTED DATA IS TO BE REPORTED TO THE
TECHNICAL POINT OF CONTACT LISTED IN PARAGRAPH 16A BELOW IAW
PARAGRAPH 14D.
2.  TASK/INSPECTION SUSPENSE DATE - WITHIN 10 HOURS/14 DAYS.
3.  REPORTING COMPLIANCE SUSPENSE DATE - N/A.
4.  SUMMARY OF PROBLEM -
    A.  A CATEGORY I QUALITY DEFICIENCY REPORT ON THE
SUNDSTRAND APU T-62T-2B HAS BEEN SUBMITTED.  THE APU
COMPRESSOR WHEEL FAILED DURING THE START UP SEQUENCE.  THE
WHEEL FAILED IN THREE EQUAL SECTIONS, SENDING PIECES THROUGH
THE APU AIR INLET HOUSING.  TWO PIECES WERE RETRIEVED FROM
THE AIRCRAFT AFT PYLON.  THE THIRD SECTION APPEARED TO HAVE
EXITED THE AIRCRAFT.  INVESTIGATIONS DETERMINED THAT FATIGUE
CRACKS EMANATING FROM BOLT HOLES ON THE BACK FACE OF THE APU
COMPRESSOR WHEEL CAUSED THE FAILURE.  ACTIONS ARE STILL IN
PROCESS TO ADDRESS RISK REDUCTION ALTERNATIVES.
    B.  FOR MANPOWER/DOWNTIME AND FUNDING IMPACTS SEE PARA
12.
    C.  THE PURPOSE OF THIS MESSAGE IS TO:
        (1)  EMPHASIZE OPERATIONAL RESTRICTIONS FOR T-62T-2B
APU.
        (2)  REQUIRE REPORTING OF APU SERIAL NUMBER, TIME
SINCE NEW, AND TIME SINCE OVERHAUL.
5.  END ITEMS TO BE INSPECTED - ALL CH-47D, MH-47D, AND MH-
47E AIRCRAFT.
6.  ASSEMBLY COMPONENTS TO BE INSPECTED -
    NOMENCLATURE        PART NO.        NSN
    T-62T-2B APU        160150-100      2835-01-092-2037
7.  PARTS TO BE INSPECTED - N/A.
8.  INSPECTION PROCEDURES - REVIEW DA FORMS 2408-16 AND/OR
2410 FOR THE APU TO IDENTIFY TIME SINCE NEW AND TIME SINCE
OVERHAUL.  NOTE:  TIME SINCE NEW AND TIME SINCE OVERHAUL
REFLECT AIRCRAFT OPERATING TIMES.
9.  CORRECTION PROCEDURES -
    A.  INFORM ALL MAINTENANCE AND FLIGHT CREW PERSONNEL OF
THE SAFETY CONCERNS ASSOCIATED WITH THE APU.
    B.  DURING APU OPERATION, AVOID BEING IN THE PLANE OF
THE APU ROTATING COMPONENTS.
    C.  DO NOT OPERATE THE APU IN-FLIGHT UNLESS AN EMERGENCY
CONDITION EXISTS.  ACCEPTABLE EMERGENCY CONDITIONS ARE FOUND
IN CHAPTER 9 OF TM 55-1520-240-10 AND TM 1-1520-252-10.
10.  SUPPLY/PARTS AND DISPOSITION - N/A.
11.  SPECIAL TOOLS, JIGS AND FIXTURES REQUIRED - N/A.
12.  APPLICATION -
    A.  CATEGORY OF MAINTENANCE - AVUM.
    B.  ESTIMATED TIME REQUIRED -
        (1)  TOTAL OF 0.2 MANHOURS USING 01 PERSON.
        (2)  TOTAL OF 0.0 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 - N/A.
13.  REFERENCES -
    A.  TM 55-1520-240-10, OPERATORS MANUAL FOR ARMY CH-47D
HELICOPTER
    B.  TM 1-1520-252-10, OPERATORS MANUAL FOR ARMY MH-47E
HELICOPTER
14.  RECORDING AND REPORTING REQUIREMENTS -
    A.  REPORTING COMPLIANCE SUSPENSE DATE (AIRCRAFT) - N/A.
    B.  TASK/INSPECTION REPORTING SUSPENSE DATE (AIRCRAFT) -
UPON COMPLETION OF INSPECTION, UNITS WILL FORWARD A PRIORITY
MESSAGE, DATAFAX OR E-MAIL TO:  COMMANDER, ATCOM, ATTN:
AMSAT-R-ECC.  DATAFAX NUMBER IS DSN 693-1495/3829 OR
COMMERCIAL (314)263-1495/3829.  EMAIL ADDRESS IS "WILSONJM
(ATSIGN) STL.ARMY.MIL". THE REPORT WILL CITE THIS MESSAGE
NUMBER, DATE OF INSPECTION, APU SERIAL NUMBER, APU HOURS
(TIME SINCE NEW AND TIME SINCE OVERHAUL).  INSPECTION AND
REPORTS WILL BE COMPLETED NO LATER THAN 10 DAYS AFTER
TASK/INSPECTION SUSPENSE DATE.  NOTE:  TIME SINCE NEW AND
TIME SINCE OVERHAUL REFLECT AIRCRAFT OPERATING TIMES.
    C.  REPORTING COMPLIANCE SUSPENSE DATE (SPARES) - N/A.
    D.  TASK/INSPECTION REPORTING SUSPENSE DATE (SPARES) -
UPON COMPLETION OF THE INSPECTION DEPOT COMMANDERS AND
OTHERS HOLDING STOCK SHALL FORWARD A PRIORITY MESSAGE REPORT
OF RESULTS OF THIS INSPECTION TO TECHNICAL POC BELOW NLT 10
DAYS AFTER RECEIPT OF THIS MESSAGE.  THE REPORT WILL CITE
THIS MESSAGE NUMBER, DATE OF INSPECTION, APU SERIAL NUMBER,
APU HOURS (TIME SINCE NEW AND TIME SINCE OVERHAUL). PROVIDE
TO WHOLESALE MATERIEL POINT OF CONTACT LISTED IN PARAGRAPH
16C THE ACTUAL COST OF PERFORMING THE INSPECTION AND AN
ESTIMATE OF THE COST REIMBURSABLE FUNDING REQUIRED TO GATHER
AND REPORT DATA.
    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
COMPONENT).
        (2) DA FORM 2408-13 (AIRCRAFT STATUS INFORMATION
RECORD).
        (3) DA FORM 2408-13-1 (AIRCRAFT INSPECTION AND
MAINTENANCE RECORD).
15.  WEIGHT AND BALANCE - N/A.
16.  POINTS OF CONTACT -
    A.  TECHNICAL POINT OF CONTACT FOR THIS MESSAGE IS
MR. JAMES M. WILSON, AMSAT-R-ECC, DSN 693-3828 OR COMMERCIAL
314-263-3828. DATAFAX NUMBER IS DSN 693-1495/3829 OR
COMMERCIAL 314- 263-1495/3829.  EMAIL ADDRESS IS "WILSONJM
(ATSIGN) STL.ARMY.MIL".
    B.  LOGISTICAL POINT OF CONTACT FOR THIS MESSAGE IS
MR.MIKE MELLIERE, AMCPM-CH-L, DSN 693-1901 OR COMMERCIAL 314-
263-1901.
    C.  WHOLESALE MATERIEL POINT OF CONTACT FOR THIS MESSAGE
IS MS. LINDA TANKSLEY, AMSAT-I-SACE, DSN 693-6007 OR
COMMERCIAL 314-263-6007, DATAFAX IS DSN 693-7569 OR
COMMERCIAL 314-269-7569, E-MAIL IS "LTANKSLEY (AT SIGN)
MM08.STL.ARMY.MIL"
    D.  FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE
IS MS. ANN WALDECK, AMSAT-I-MDM, DSN 690-2318 OR COMMERCIAL
314-260-2318, E-MAIL IS "AWALDECK(ATSIGN)DMH1.STL.ARMY.MIL".
    E.  SAFETY POINT OF CONTACT FOR THIS MESSAGE IS MR. DAVE
SCOTT, AMSAT-R-X, DSN 693-2045/2085 OR COMMERCIAL 314-263-
2045/2085. E-MAIL IS "SCOTTD (AT SIGN) STL.ARMY.MIL".
    F.  FOREIGN MILITARY SALES (FMS) RECIPIENTS REQUIRING
CLARIFICATION OF ACTION ADVISED BY THIS MESSAGE SHOULD
CONTACT CW5 JAY NANCE OR MR. RON VAN REES, AMSAT-D-S, DSN
693-7844/3216 OR COMMERCIAL 314/263-7844/3216.  DATAFAX IS
DSN 693-2917.(ST. LOUIS IS GMT MINUS 6 HRS).
    G.  AFTER HOURS CONTACT ATCOM COMMAND OPERATIONS CENTER
(COC) DSN 693-2066/7 OR COMMERCIAL 314-263-2066/7.