Issued: 17-AUG-1989 | To: FAA | A-89-95 |
Conduct a directed safety investigation (DSI) of the general electric cf6-6 turbine engine to establish a cyclic threshold at which the fan forward shaft and the fan disks should be separated and inspected for defects in the components. The DSI should include a review and analysis of (Closed - Superseded) |
Issued: 17-AUG-1989 | To: FAA | A-89-96 |
Following completion of the directed safety investigation of the general electric cf6-6 turbine engine discussed in A-89-95, issue an airworthiness directive to require appropriate inspections of the fan disks and the fan forward shaft at appropriate cyclic intervals. (Superseded by A-90-089) (Closed - Superseded) |
Issued: 17-AUG-1989 | To: FAA | A-89-97 |
Evaluate, because of similarities in design, manufacture, and maintenance, the need for a directed safety investigation of all general electric cf6-series turbine engines with the objectives of verifying the established life limits for rotating parts of the fan modules and establishing appropriate cyclic inspection requirements for these parts. (Superseded by A-90-090) (Closed - Superseded) |
Issued: 30-MAY-1990 | To: FAA | A-90-78 |
Revise 14 CFR 91, 121 and 135 to require that all occupants be restrained during takeoff, landing, and turbulent conditions, and that all infants and small children below the weight of 40 pounds and under the height of 40 inches be restrained in an approved child restraint system appropriate to their height and weight. (superseded by A-95-50 and A-95-51) (Closed - Unacceptable Action/Superseded) |
Issued: 30-MAY-1990 | To: FAA | A-90-79 |
CONDUCT RESEARCH TO DETERMINE THE ADEQUACY OF AIRCRAFT SEATBELTS TO RESTRAIN CHILDREN TOO LARGE TO USE CHILD SAFETY SEATS AND TO DEVELOP SOME SUITABLE MEANS OF PROVIDING ADEQUATE RESTRAINT FOR SUCH CHILDREN. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: USAF | A-90-147 |
REQUIRE THAT KOVATCH A/S32P-18 VEHICLES COMPLY WITH KOVATCH TECHNICAL SERVICE BULLETIN 8-KFTS-P-18-5 AND EXPEDITE THE DISTRIBUTION OF MODIFICATION KITS THAT WILL PERMIT COMPLIANCE WITH THE SERVICE BULLETIN. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: USAF | A-90-148 |
IMMEDIATELY REMOVE FROM SERVICE ALL KOVATCH A/S32P 18 VEHICLES UNTIL THEY HAVE BEEN SO MODIFIED. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: USAF | A-90-149 |
REQUIRE MAXIMUM CAPACITY DISCHARGE TESTS OF ALL EMERGENCY RESPONSE FIRE SERVICE VEHICLES BEFORE THE VEHICLES ARE ACCEPTED FOR SERVICE AND ON AN ESTABLISHED REGULAR SCHEDULE THEREAFTER. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: USAF | A-90-150 |
MAKE AVAILABLE TO ALL OPERATORS OF DEPARTMENT OF THE AIR FORCE AIR BASES AN ACCOUNT OF THE CIRCUMSTANCES OF THE ACCIDENT DESCRIBED IN SAFETY RECOMMENDATION LETTER A-90-147 THROUGH -150 AS THEY RELATE TO THE DEFICIENCIES IN THE KOVATCH A/S32P-18 WATER SUPPLY VEHICLE. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: FAA | A-90-151 |
DIRECT AIRPORT CERTIFICATION SAFETY INSPECTORS TO REQUIRE 14 CFR 139 CERTIFICATE HOLDERS TO INSPECT THE SUCTION HOSES ON KOVATCH A/S32P-18 WATER SUPPLY VEHICLES TO VERIFY THAT THEY INCORPORATE THE MODIFICATIONS DESCRIBED IN KOVATCH TECHNICAL SERVICE BULLETIN 86-KFTS-P-18-5 AND TO IMMEDIATELY REMOVE FROM SERVICE A/S32P-18 VEHICLES THAT HAVE NOT BEEN SO MODIFIED. (Closed - Acceptable Alternate Action) |
Issued: 19-OCT-1990 | To: FAA | A-90-152 |
AMEND 14 CFR 139 TO REQUIRE AIRPORT OPERATORS TO PERFORM MAXIMUM CAPACITY DISCHARGE TESTS OF ALL EMERGENCY RESPONSE FIRE FIGHTING AND WATER SUPPLY VEHICLES BEFORE THE VEHICLES ARE ACCEPTED FOR SERVICE AND ON A REGULARY SCHEDULED BASIS THEREAFTER. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: FAA | A-90-153 |
MAKE AVAILABLE TO ALL 14 CFR 139 CERTIFICATED AIRPORTS AN ACCOUNT OF THE CIRCUMSTANCES OF THE ACCIDENT DESCRIBED IN SAFETY RECOMMENDATION LETTER A-90-151 THROUGH -155 AS THEY RELATE TO THE DEFICIENCIES IDENTIFIED WITH THE KOVATCH A/S32P-18 WATER SUPPLY VEHICLE. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: FAA | A-90-154 |
DEVELOP GUIDANCE FOR AIRPORT OPERATORS FOR ACCEPTABLE RESPONSES BY AIRCRAFT RESCUE AND FIRE FIGHTING EQUIPMENT TO ACCIDENTS IN CROP ENVIRONMENTS ON AIRPORT PROPERTY. (Closed - Acceptable Action) |
Issued: 19-OCT-1990 | To: FAA | A-90-155 |
REQUIRE ANNUAL AIRPORT CERTIFICATION INSPECTIONS TO INCLUDE EXAMINATIONS OF AIRFIELD TERRAIN TO ENSURE, WHERE PRACTICABLE, THAT SURFACE OBSTRUCTIONS, INCLUDING AGRICULTURAL CROPS, DO NOT INTERFERE WITH RESCUE AND FIRE FIGHTING ACTIVITIES. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-167 |
INTENSIFY RESEARCH IN THE NONDESTRUCTIVE INSPECTION FIELD TO IDENTIFY EMERGING TECHNOLOGIES THAT CAN SERVE TO SIMPLIFY AUTOMATE, OR OTHERWISE IMPROVE THE RELIABILITY OF THE INSPECTION PROCESS. SUCH RESEARCH SHOULD ENCOURAGE THE THE DEVELOPMENT AND IMPLEMENTATION OF REDUNDANT ("SECOND SET OF EYES") INSPECTION OVERSIGHT FOR CRITICAL PART INSPECTIONS, SUCH AS FOR ENGINE ROTATING COMPONENTS. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-168 |
ENCOURAGE RESEARCH AND DEVELOPMENT OF BACKUP FLIGHT CONTROL SYSTEMS FOR NEWLY CERTIFICATED WIDE-BODY AIRPLANES THAT UTILIZE AN ALTERNATIVE SOURCE OF MOTIVE POWER SEPARATE FROM THAT SOURCE USED FOR THE CONVENTIONAL CONTROL SYSTEM. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-169 |
CONDUCT SYSTEM SAFETY REVIEWS OF CURRENTLY CERTIFICATED AIRCRAFT AS A RESULT OF THE LESSONS LEARNED FROM THE JULY 19, 1989, SIOUX CITY, IOWA, DC-10 ACCIDENT TO GIVE ALL POSSIBLE CONSIDERATION TO THE REDUNDANCY OF, AND PROTECTION FOR, POWER SOURCES FOR FLIGHT AND ENGINE CONTROLS. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-170 |
ANALYZE THE DISPERSION PATTERN, FRAGMENT SIZE AND ENERGY LEVEL OF RELEASED ENGINE ROTATING PARTS FROM THE JULY 19, 1989, SIOUX CITY, IOWA, DC-10 ACCIDENT AND INCLUDE THE RESULTS OF THIS ANALYSIS, AND ANY OTHER PERIPHERAL DATA AVAILABLE, IN A REVISION OF AC 20-128 FOR FUTURE AIRCRAFT CERTIFICATION. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-171 |
CONDUCT A COMPREHENSIVE EVALUATION OF AIRCRAFT AND ENGINE MANUFACTURERS\' RECORDKEEPING AND INTERNAL AUDIT PROCEDURES TO EVALUATE THE NEED TO KEEP LONG-TERM RECORDS AND TO ENSURE THAT QUALITY ASSURANCE VERIFICATION AND TRACEABILITY OF CRITICAL AIRPLANE PARTS CAN BE ACCOMPLISHED WHEN NECESSARY AT ALL MANUFACTURNING FACILITIES. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-172 |
CREATE THE MECHANISM TO SUPPORT A HISTORICAL DATA BASE OF WORLDWIDE ENGINE ROTARY PART FAILURES TO FACILITATE DESIGN ASSESSMENTS AND COMPARATIVE SAFETY ANALYSIS DURING CERTIFICATION REVIEWS AND OTHER FAA RESEARCH. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-173 |
ISSUE AN AIR CARRIER OPERATIONS BULLETIN FOR ALL AIR CARRIER FLIGHTCREW TRAINING DEPARTMENTS TO REVIEW THIS ACCIDENT SCENARIO AND REITERATE THE IMPORTANCE OF TIME MANAGEMENT IN THE PREPARATION OF THE CABIN FOR AN IMPENDING EMERGENCY LANDING. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-174 |
ISSUE AN AIRWORTHINESS DIRECTIVE TO MANDATE SERVICE LIFE LIMITS OR RECURRENT INSPECTION REQUIREMENTS ON GEAE CF6 -6 ENGINE STATE 1 FAN DISKS INSPECTED IN ACCORDANCE WITH AD 89-20-01. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: FAA | A-90-175 |
ISSUE AN AIRWORTHINESS DIRECTIVE BASED ON THE GEAE CF6-6 ENGINE SERVICE BULLETIN 72-962, PERTAINING TO 119 STAGE 1 FAN DISKS MADE FROM ALCOA FORGINGS, TO MANDATE COMPLIANCE WITH THE INTENT OF THE SERVICE BULLETIN BY ALL OPERATORS. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: Air Transport Association | A-90-176 |
ENCOURAGE MEMBERS TO INCORPORATE SPECIFIC MAINTENANCE INSPECTION TECHNIQUES IN THEIR MAINTENANCE MANUALS AND MAINTENANCE CONTRACTS THAT SIMPLIFY, AUTOMATE AND PROVIDE REDUNDANT ("SECOND SET OF EYES") INSPECTION OVERSIGHT FOR CRITICAL PART INSPECTION, SUCH AS FOR ROTATING ENGINE PARTS. (Closed - Acceptable Action) |
Issued: 14-DEC-1990 | To: AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA | A-90-177 |
ENCOURAGE MEMBERS TO INCORPORATE SPECIFIC MAINTENANCE INSPECTION TECHNIQUES AND INSPECTION EQUIPMENT IN THEIR SERVICE MANUALS THAT SIMPLIFY, AUTOMATE, AND PROVIDE REDUNDANT ("SECOND SET OF EYES") INSPECTION OVER SIGHT FOR CRITICAL PART INSPECTIONS, SUCH AS FOR ROTATING ENGINE PARTS. (Closed - Unacceptable Action - No Respon) |