Safety of Flight CH-47-93-01 |
SYNOPSIS CH-47-93-01 SAFETY OF FLIGHT MESSAGE, EMERGENCY, IMMEDIATE GROUNDING OF CH-47 AND MH-47 SERIES AIRCRAFT. 232230Z OCT 92, BRAD MEYER, AMSAT-C-XS, X2085. 01 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z YES CDRATCOM ST LOUIS MO //AMSAT-C-XS// AIG 8881 AIG 9004 AIG 8708 AIG 9042 CDR4THBN228THAVN SOTO CANO //AVN-AMO// CDRLBAD LEXINGTON KY //SDSLB-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 MINIMIZE CONSIDERED EDWARD J. HOLLMAN CHIEF, SAFETY OFFICE . UNCLAS 02 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z 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 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z YES SUBJECT - SAFETY-OF-FLIGHT MESSAGE, EMERGENCY, RCS CSGLD-1860(R1), IMMEDIATE GROUNDING OF CH-47 AND MH-47 SERIES AIRCRAFT, (CH-47-93-01). 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 - UPON RECEIPT OF THIS MESSAGE THE CONDITION STATUS SYMBOL OF THE CITED AIRCRAFT SHALL BE CHANGED IMMEDIATELY TO A RED //X// UNTIL FURTHER NOTICE. AIRCRAFT AWAY FROM HOME BASE MAY BE DOWNGRADED TO A CIRCLED RED //X// FOR A ONE-TIME DIRECT FLIGHT TO THE NEAREST MILITARY BASE WITH ADEQUATE SECURITY AND MAINTENANCE CAPABILITIES. GROUND RUN-UPS ARE NOT PERMITTED. . UNCLAS 04 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z YES 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 - GROUND AT FINAL DESTINATION. (2) FERRY STATUS - GROUND UPON ARRIVAL AT THE NEAREST MILITARY AIRFIELD WITH ADEQUATE SECURITY AND MAINTENANCE. E. MAINTENANCE TRAINERS - SAME AS PARA 1A. F. COMPONENT/PARTS IN STOCK INCLUDING WAR RESERVES AT ALL LEVELS (DEPOT AND OTHERS) - N/A. 2. TASK/INSPECTION SUSPENSE DATE - IMMEDIATE GROUNDING. 3. REPORTING COMPLIANCE SUSPENSE DATE - REPORT COMPLIANCE TO COMMANDER, ATCOM, ATTN: AMSAT-C-XS NO LATER THAN 13 NOV 92 PER PARA 14A OF THIS MESSAGE. 4. SUMMARY OF PROBLEM - DURING THE INVESTIGATION OF A CH-47 ACCIDENT IN ALASKA, THE PROBABLE CAUSE WAS ISOLATED TO THE SUSPECTED MATERIAL FAILURE OF A SCREW IN THE UPPER BOOST ACTUATOR CONTROL VALVE. THIS FAILURE WOULD RESTRICT THE TRAVEL OF THE PILOT VALVE IN THE UPPER BOOST ACTUATOR RESULTING IN REDUCED CONTROLABILITY OF THE AIRCRAFT. PEO - AVIATION AND ATCOM ARE WORKING TO GET A FULL . UNCLAS 05 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z YES UNDERSTANDING OF THE PROBLEM AND WILL PROVIDE CONTINUOUS UPDATES UNTIL THE PROBLEM IS FULLY UNDERSTOOD AND A FINAL FIX IS IDENTIFIED. 5. END ITEMS TO BE INSPECTED - ALL CH-47 AND MH-47 SERIES AIRCRAFT. 6. ASSEMBLY COMPONENTS TO BE INSPECTED - N/A. 7. PARTS TO BE INSPECTED - N/A. 8. INSPECTION PROCEDURES - TO BE DETERMINED, A SUBSEQUENT MESSAGE WILL FOLLOW. 9. CORRECTION PROCEDURES - SAME AS PARA 8 ABOVE. 10. SUPPLY/PARTS AND DISPOSITION - N/A. 11. SPECIAL TOOLS, JIGS AND FIXTURES REQUIRED - N/A. 12. APPLICATION - AIRCRAFT DOWNTIME WILL BE CHARGED TO DEPOT MAINTENANCE. 13. REFERENCES - N/A. 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 COMMANDER, ATCOM, ATTN: AMSAT-C-XS (SOF COMPLIANCE OFFICER), PER . UNCLAS 06 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z YES AR 95-3. DATAFAX NUMBER IS DSN 693-2064 OR COMMERCIAL 314/263-2064. E-MAIL ADDRESS IS "AMSATCXS (AT SIGN) ST-LOUIS-EMH4.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. 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. 15. WEIGHT AND BALANCE - N/A. 16. POINTS OF CONTACT - 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. RON DALTON, SFAE-AV-CH-L, DSN 693-1440 OR COMMERCIAL 314/263-1440. C. FORMS AND RECORDS POINT OF CONTACT FOR THIS MESSAGE IS MR. ROGER BARRE, AMSAV-MPPD, DSN 693-1955 OR COMMERCIAL 314/263-1955. D. POINT OF CONTACT FOR THIS MESSAGE IS MAJ. VICTOR P. . UNCLAS 07 07 232230Z OCT 92 OO OO UUUU ZEXW 2971800Z YES MALMGREN, AMSAT-C-XS, DSN 693-2258 OR COMMERCIAL 314/263-2258. E. FOREIGN MILITARY SALES (FMS) RECIPIENTS REQUIRING CLARIFICATION OF ACTION ADVISED BY THIS MESSAGE SHOULD CONTACT MR. RON VAN REES, AMSAV-IOA, DSN 693-2626 OR COMMERCIAL 314/263-2626. F. AFTER HOURS CONTACT ATCOM COMMAND OPERATIONS CENTER (COC) DSN 693-2066/7 OR COMMERCIAL 314/263-2066/7. |