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:ROK ARMY FMS PUSAN KOR//ALC-LSD-L//
:CDR160TH SOAR FT CAMPBELL KY//AOAV-SI//
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:CJUSMAG THAI BANGKOK TH//MAGTAR-FS//
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:AMEMBASSY ANTANANARIVO MA
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TEXT
:UNCLAS
SUBJECT - AVIATION SAFETY ACTION MESSAGE, INFORMATIONAL,
RCS CSGLD-1860(R1), (CH-47), OPERATION OF THE APU, (CH-47-
96-ASAM-02) (TB 1-1520-240-20-81).
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 - N/A.
B. AIRCRAFT IN DEPOT MAINTENANCE - N/A.
C. AIRCRAFT UNDERGOING MAINTENANCE - N/A.
D. AIRCRAFT IN TRANSIT -
(1) SURFACE/AIR SHIPMENT - N/A.
(2) FERRY STATUS - N/A.
E. MAINTENANCE TRAINERS (CATEGORY A, B) - N/A.
F. COMPONENT/PARTS IN STOCK INCLUDING WAR RESERVES AT
ALL LEVELS (DEPOT AND OTHERS) -
(1) RETAIL STOCK - N/A.
(2) WHOLESALE STOCK - N/A.
2. TASK/INSPECTION SUSPENSE DATE - N/A.
3. REPORTING COMPLIANCE SUSPENSE DATE - N/A.
4. SUMMARY OF PROBLEM -
A. A CATEGORY I QUALITY DEFICIENCY REPORT ON THE
SUNSTRAND APU T62T2B WAS SUBMITTED BY FT. CAMPBELL. DURING
THE STARTING SEQUENCE OF THE APU, THE APU EXPLODED. PIECES
OF THE COMPRESSOR WHEEL WENT THROUGH THE APU AIR INLET
HOUSING. TWO COMPRESSOR WHEEL PIECES WERE RETRIEVED FROM
THE AIRCRAFT AFT PYLON. A THIRD PIECE APPEARED TO HAVE
EXITED THE AIRCRAFT FROM THE RIGHT SIDE. AN INVESTIGATION
HAS BEEN INITIATED TO DETERMINE THE CAUSE OF THE FAILURE.
B. FOR MANPOWER/DOWNTIME AND FUNDING IMPACTS SEE PARA
12.
C. THE PURPOSE OF THIS MESSAGE IS TO HAVE PERSONNEL
AVOID STANDING, SITTING, BEING BELOW OR ON EITHER SIDE OF
THE AIRCRAFT IN THE PLANE OF THE ROTATING APUS COMPONENTS
AND INFORM PILOTS THAT APU OPERATION IN FLIGHT IS NOT
AUTHORIZED UNLESS AN EMERGENCY CONDITION EXISTS.
5. END ITEMS TO BE INSPECTED - N/A.
6. ASSEMBLY COMPONENTS TO BE INSPECTED - N/A.
7. PARTS TO BE INSPECTED - N/A.
8. INSPECTION PROCEDURES - NO INSPECTIONS ARE REQUIRED.
PERSONNEL WHO FLY, DO MAINTENANCE AND RIDE IN CH-47 AIRCRAFT
SHOULD BE AWARE OF THE POTENTIAL SAFETY HAZARDS OF THE APU.
AN INVESTGATION IS ON GOING TO FIND THE CAUSE OF THE
FAILURE.
9. CORRECTION PROCEDURES/SPECIAL OPERATION PROCEDURE -
A. INFORM PERSONNEL OF THE SAFETY CONCERNS ASSOCIATED
WITH THE APU. AVOID STANDING, SITTING, BEING BELOW OR ON
EITHER SIDE OF THE AIRCRAFT IN THE PLANE OF THE APUS
ROTATING COMPONENTS.
B. DO NOT OPERATE THE APU IN FLIGHT UNLESS AN EMERGENCY
CONDITION EXIST. THE ONLY ACCEPTABLE EMERGENCY CONDITIONS
ARE STATED IN CHAPTER 9 OF TM 55-1520-240-10 AND TM 1-1520-
252-10.
10. SUPPLY/PARTS AND DISPOSITION -
A. PARTS REQUIRED - N/A.
B. REQUISITIONING INSTRUCTIONS - N/A.
C. BULK AND CONSUMABLE MATERIALS - N/A.
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 - N/A.
B. ESTIMATED TIME REQUIRED - N/A.
C. ESTIMATED COST IMPACT OF STOCK FUND ITEMS TO THE
FIELD -N/A
E. PUBLICATIONS WHICH REQUIRE CHANGE AS A RESULT OF
THIS INSPECTION - N/A.
13. REFERENCES -
A. TM 55-1520-240-10.
B. TM 1-1520-252-10.
14. RECORDING AND REPORTING REQUIREMENTS -
A. REPORTING COMPLIANCE SUSPENSE DATE (AIRCRAFT) -
N/A.
B. TASK/INSPECTION REPORTING SUSPENSE DATE (AIRCRAFT)
- N/A.
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 -
N/A.
15. WEIGHT AND BALANCE - N/A.
16. POINTS OF CONTACT -
A. TECHNICAL POINT OF CONTACT FOR THIS MESSAGE IS MR.
DAVID BRAUN, CONTRACTOR, OR MR. MIKE WRIGHT, AMSAT-R-ECC,
DSN 693-6679/-3550 OR COMMERCIAL 314/263-6679/-3550,
RESPECTIVELY.
B. LOGISTICAL POINT OF CONTACT FOR THIS MESSAGE IS MR.
NORM HUSTON, AMCPM-CH-L, DSN 693-1415 OR COMMERCIAL 314/263-
1415.
C. FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE
IS MS. ANN WALDECK, AMSAT-I-MDM, DSN 693-1821 OR COMMERCIAL
REES, AMSAT-I-IAF, DSN 693-
3826/3659 OR COMMERCIAL 314/263-3826/3659.
F. AFTER HOURS CONTACT ATCOM COMMAND OPERATIONS CENTER
(AOC) DSN 693-2066/7 OR COMMERCIAL 314/263-2066/7.