Boeing 747-230B

Service difficulty reports · 618

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '747230B'
  ORDER BY difficulty_date DESC"

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SDR P5CA0401137Connector · looseRUDDER RATIO LIGHT CAME ON DURING CLIMBOUT, 220KTS, FLAPS 1 DEGREE. RESEATED CONNECTOR TO RUDDER RATIO CONTROLLER AND SERVO ACTUATOR IAW AMM 27-21-00..Aug 10, 2004 · N508MC · Boeing 747230B · Electrical ConnectorsSDR P5CA0401133Pressure Valve · inoperativeDURING ENGINE START NR 3 ENGINE ROTATION WAS SLOW, LIGHT OFF NORMAL BUT WOULD NOT ACCELERATE PAST 30 PERCENT. REPLACED NR 3 ENGINE PRESSURE RELIEF VALVE, OPERATIONAL CHECK GOOD IAW MM 36-11-00.Aug 3, 2004 · N508MC · Boeing 747230B · Pneumatic Distribution SystemSDR P5CA0401173Charger · smokeSMOKE IN COCKPIT. MAIN BATTERY CHARGER FAULTY. SWAPPED MAIN CHARGER WITH APU CHARGER, OPS CHECK OK PER AMM 24-31-00. DEFERRED APU BATTERY CHARGER PER MEL 24-24.Jul 17, 2004 · N508MC · Boeing 747230B · Battery/Charger SystemSDR P5CA0401114Indicator · inoperativeFLIGHT OFFICER AIRSPEED INDICATOR INOPERATIVE, NO MOVEMENT. REPLACED INDICATOR OPS CHECK OK, IAW MM 34-17-03.Jul 7, 2004 · N508MC · Boeing 747230B · Airspeed/Mach IndicatorSDR P5CA0401106Valve · failedNR 3 ENGINE FIRE WARNING CAME ON DURING CLIMB, A & B LOOPS READ 7 TO 10 UNITS, THAN STABILIZED TO 4 UNITS SCALE WHEN THROTTLE MOVED TO IDLE. FOUND NR 3 ENGINE HIGH-STAGE BLEED VALVE LEAK. REMOVED AND REPLACED NR 3 ENGINE HIGH STAGE BLEED VALVE AS PER MM 36-1Jun 24, 2004 · N508MC · Boeing 747230B · Pneumatic Distribution SystemSDR P5CA0401103Heater · odorF/O NR 1 WINDOW LOWER RIGHT CORNER OVERHEATING AND CAUSING BURNT WIRE SMELL. TURNED OFF AND C/B PULLED. DEFERRED R-1 WINDOW HEAT PER MEL 30-11-1.Jun 13, 2004 · N509MC · Boeing 747230B · Windshield/Door Rain/Ice RemovalSDR P5CA0401100Mec · failedAFTER ENGINE START, NR 1 ENGINE HAD NO RESPONSE TO THROTTLE MOVEMENT, IDLE PARAMETERS NORMAL. REPLACED MEC PER AMM 73-21-01.Jun 3, 2004 · N509MC · Boeing 747230B · Fuel Control/Turbine EnginesSDR P5CA0401092Line · looseNR 3 BRAKE LEAK, FOUND ON PRE-FLIGHT. TIGHTENED NR 3 BRAKE LINES AS PER MM 32-41-03, LEAK CHECK OK.May 15, 2004 · N508MC · Boeing 747230B · Landing Gear Brake SystemSDR P5CA0401081Wire · brokenON ENGINE START, ELEVATOR FEELS LIGHT. DID NOT COME ON WITH HYD SYST NR 2 PRESSURIZED AND SYST 3 UNPRESSURIZED. FOUND BROKEN WIRE AT MISOI, REPAIRED IAW 20-10-13. PERFORMED SYST CHECK PER 27-31-00, SYST OPS NORMALLY.Apr 29, 2004 · N508MC · Boeing 747230B · Flight Control System WiringSDR UIEA200400081Indicator · inoperativeON TAKEOFF ABORTED FOR CAPTAINS AND FIRST OFFICER INSTRUMENT WARNING, ATT, AND MONITOR LIGHT WITH ASSOCIATED BELL. ALSO, ATT FLAG, WITH ADI INDICATOR ON CAPTAINS SIDE FULL DOWN. ABORT SPEED WAS APPROXIMATELY 85 KNOTS. REMOVED AND REPLACED CAPTAINS ADI, ACCOMApr 24, 2004 · N509MC · Boeing 747230B · Attitude and Direction Data SystemSDR UIEA200400026Web · damagedLOWER FORWARD CARGO DORO HAS WEB DAMAGED AT TWO LOCATIONS, FORWARD AND AFT, ADJACENT TO POWER DOOR LOCK PUSH PULL RODS. REMOVED DAMAGED WEB FABRICATED NEW WEB AND INSTALLED NEW WEB AS PER SRM 51-30-02, 51-10-02 AND 52-30-02. (M)Mar 2, 2004 · N509MC · Boeing 747230B · Cargo/Baggage DoorsSDR UIEA200400006Logic Card · damagedTLV/AMS - ON CALL BEFORE LANDING CHECK, GEAR INDICAT DOWN, INTERMITTENT BEEPING WAS HEARD. GEAR LIGHT WENT RED. PRIMARY AND ALTERNATE CHECK SHOWED RIGHT BODY AND RIGHT WING GEAR NO DOWN. CREW INITIATED GO AROUND, LEFT GEAR DOWN AND LEVEL OFF GEAR LIGHT WENT Jan 19, 2004 · N508MC · Boeing 747230B · Landing Gear Position and WarningSDR UIEA200300061Fire Loop · malfunctionedDURING DESCENT INTO ANC, NR 2 ENGINE HAD A FIRE WARNING PASSING THROUGH 16000 FT AT IDLE POWER. NR ENGINE (A) LOOP IS PLACARDED INOPERATIVE. PERFORMED EMERGENCY FIRE CHECK LIST AND SHUTDOWN ENGINE. FIRE HANDLE WAS PULLED AT 1946Z, TT EDP IN DEPRESSURIZE MODNov 7, 2003 · N509MC · Boeing 747230B · Fire DetectionSDR UIEA200300055Engine · stalledDOV/RMS DIVERSION TO JFK, IN CRUISE AT FL350 NR 1 ENGINE BEGAN TO SHUDDER/STALL WITH DROP OF N1 ONLY. PULLED THRUST LEVER BACK. IT THEN DID IT AGAIN AND CONTINUED TO DO IT. SHUT DOWN ENGINE IAW QRH. DIVERTED TO JFK. NO FUEL DUMPED. REMOVED AND REPLACED NSep 11, 2003 · N508MC · Boeing 747230B · Engine (Turbine/Turboprop)SDR UIEA200300046Acm · malfunctionedDIVERSION TO JFK, WHILE CLIMBING THROUGH FL350, CABIN ALT WENT OT 11,000 FEET. DIFF PRESSURE WAS 6.0. AT FL300, CABIN ALT WAS 10,400 FEET. DIFF PRESSURE WAS 6.0 AT FL290 DIFF PRESSURE WAS 6.2 CABIN ALT 7800 FEET. DIVERTED TO JFK. PRESSURIZED A/C ON GROUNDAug 17, 2003 · N512MC · Boeing 747230B · Cabin Cooling SystemSDR UIEA200300033Mec · malfunctionedRMS/FRU - REJECTED TAKEOFF, ON TAKEOFF ROLL, NR 1 ENGINE WOULD PRODUCE ONLY 108.0 N1 WITH FIREWALL THRUST. 113.0 N1 WAS THE DESIRED POWER SETTING. ABORTED TAKEOFF AT 80 KTS, NR 1 N1 APPEARED TO SPIN UP SLOWER THAN THE REST. ALL OTHER ENGINES APPEARED NORMALJul 11, 2003 · N509MC · Boeing 747230B · Fuel Control/Turbine EnginesSDR UIEA200300032Engine · malfunctionedDURING TAKEOFF NR 3 ENGINE HAD EXCEEDANCE OF PEAK TEMPERTURE OF 994 DEGREES FOR A 91 SECOND DURATION. THRUST LEVER WAS RELATIVE TO THE SAME POSITION AS OTHERS. TAKEOFF N1 WAS 113.5 DUE TO EXCEEDING 990 DEGREES THE ENGNE WAS SHUT DOWN. APPROXIMATELY 23,000 KJul 11, 2003 · N508MC · Boeing 747230B · Engine (Turbine/Turboprop)SDR UIEA200200066Duct · rupturedJFK-ORD - AIR TURNBACK, AT 10,000 FEET WITH CRUISE POWER, LOUD BANG AND BUMP. NR 1 ENGINE EGT CLIMBED TO 850 DEGREES AND NACELLE TEMPS TO 4.5 BLEED VALVE CLOSED. EGT CONTINUED ABOUT 100 DEGREES ABOVE OTHER ENGINES. SAW T/R BLOW-OUT PANEL OPEN. RETURNED TO Dec 7, 2002 · N508MC · Boeing 747230B · Pneumatic Distribution SystemSDR ZW0A0212001Wire · cutTHE CABIN EGRESS LIGHTS FLASHED ON AND OFF IN "C" ZONE. REPLACED THE FEEDER CABLE, WHICH WAS CUT IN SEVERAL PLACES. CHECK-C 7-7-02 MCI. --CLOSED--Dec 1, 2002 · N719TW · Boeing 747230B · Light System WiringSDR UIEA200200062Pressure Panel · crackedDURING CURRENT C-CHECK, FOUND FORWARD PRESSURE DECK SKIN CRACKED TWO PLACES STATION 140 AT RBL 34 AND RBL 43 NEAR WL 215. CRACK LENGTH WAS .025 INCH AT EACH LOCATION FROM EXISTING FASTENER HOLES. CRACKED AREAS TRIMMED AWAY. PERFORMED EC INSPECTION OF CUT OUNov 14, 2002 · N507MC · Boeing 747230B · Fuselage Main, BulkheadSDR Q2SA742007Tire · blownON TAKEOFF, NR 7 AND 8 TIRES BLEW DAMAGING SURROUNDING SYSTEMS/STRUCTURES AND RESULTING IN REDUCED BRAKING FORCE. PERFORMED PRELIMINARY INSPECTION AND FOUND EIGHT TOTAL TIRES BLOWN/DEFLATED, LEFT INBOARD FLAP DAMAGED, LEFT OUTBOARD FLAP TORQUE TUBE BROKE, AT Oct 29, 2002 · N742SA · Boeing 747230B · TireSDR UIEA200200050Module · leakingNR 1 HYDRAULIC LOW QUANTITY LIGHT CAME ON AFTER TAKEOFF. HYDRAULIC QUANTITY DROPPED TO ZERO. APPROXIMATELY 30 SECONDS LATER THE EDP AND ADP PRESSURE LIGHTS BEGAN TO FLASH. SHUT SYSTEM DOWN IAW PROCEDURES. EDP PUMP SWITCH PLACED TO SUPPLY OFF POSITION AT 08Sep 29, 2002 · N512MC · Boeing 747230B · Autopilot SystemSDR UIEA200200042Skin · damagedDURING CURRENT C CHECK AT SIAEC FOUND NR 3 PYLON OUTBOARD SIDE LOWER AFT ACCESS PLATE CUTOUT DAMAGED ON RETAINING LIP, NAC 286 ABOVE WL 136. SKIN AND DOUBLER WERE TRIMMED TO REMOVE DAMAGE. HFEC INSPECTED AREA OF REMOVED DAMAGE. NO ADDITIONAL CRACKING FOUND.Sep 20, 2002 · N508MC · Boeing 747230B · Nacelle/Pylon, Plate/SkinSDR UIEA200200041Rib · crackedDURING CURRENT C CHECK, FOUND LT WING LEADING EDGE RIB CRACKED, WING STATION ILES1024 AT THE VERTICAL STIFFENER COMMON TO THE UP STOP INTERCOSTAL. DAMAGED AREA TRIMMED OUT. HFEC INSPECTED TRIMMED AREA. NO ADDITIONAL CRACKING FOUND. FABRICATED REPAIR DOUBLESep 20, 2002 · N509MC · Boeing 747230B · Wing, Rib/BulkheadSDR UIEA200200039Keelbeam · corrodedDURING CURRENT C-CHECK AT SIAEC, FOUND KEEL BEAM BOX, LOWER CHORD, INNER VERTICAL SURFACE CORRODED LEVEL 1, AT BS 1267 RBL 10. CORROSION REMOVED BY BLENDING. HFEC INSPECTED AREA FOR ADDITIONAL CORROSION. NO CORROSION FOUND. ORIGINAL THICKNESS BEFORE BLENDISep 19, 2002 · N512MC · Boeing 747230B · Fuselage Main, KeelSDR UIEA200200038Keelbeam · corrodedDURING CURRENT C-CHECK, AT SIAEC, FOUND KEEL BEAM CHORD, INBOARD LOWER FLANGE UPPER SURFACE CORRODED, AT BS 1330/1337 AND 1397, LBL 6. REMOVED CORROSION BY BLENDING. HFEC INSPECTED AREAS OF BLEND OUT AND FASTENER HOLES FOR ADDITIONAL CORROSION/CRACKS. NO ADSep 19, 2002 · N512MC · Boeing 747230B · Fuselage Main, KeelSDR UIEA200200037Skin · crackedDURING CURRENT C-CHECK AT SIAEC, FOUND NR 2 PYLON LEFT ACCESS PLATE CUTOUT (463CL) AT NAC STATION 332 TO 350 CRACKED AT LOWER FORWARD CORNER APPROX .5 INCH. TRIMMED OUT CRACKED AREA. HFEC INSPECTED THE TRIMMED OUT AREA AND ALL FASTENER HOLES IN THE REPAIR ARSep 19, 2002 · N512MC · Boeing 747230B · Nacelle/Pylon, Plate/SkinSDR UIEA200200040Skin · crackedDURING CURRENT C-CHECK AT SIAEC, FOUND NR 2 PYLON TOP CAP SKIN CRACKED AT NAC STATION 264 INBOARD SIDE. CUTOUT CRACKED SKIN AND DOUBLER. SURFACE CORROSION LEVEL 1 REVEALED TO SANDWICHED STIFFENER. REMOVED AFT SECTION OF STIFFENER FOR CORROSION BLEND REPAIRSSep 5, 2002 · N512MC · Boeing 747230B · Nacelle/Pylon, Plate/SkinSDR UIEA200200030Window · inoperativeL1 WINDSHIELD LOWER AFT ELECTRICAL CONNECTION WAS PRODUCING SMOKE. SYSTEM TURNED OFF. SMOKE EV AC CHECKLIST COMPLETED. C/A: REPLACED L1 WINDOW PER MM 56-11-01 REPLACED LEFT WINDOW HEAT CONTROLLER PER MM. WINDOW HEAT CONTROLLER (PN 657154-5).Aug 13, 2002 · N507MC · Boeing 747230B · Windshield/Door Rain/Ice RemovalSDR UIEA200200027Module · faultyIN CRUISE, FL 290 MAIN DECK CARGO FIRE WARN LTS ILLUM STEADY. EMER ACTION AND LANDING CARRIED OUT. FUEL JETTISONED IAW CHECKLIST. MAIN DECK CARGO SMOKE DET LTS ILLUMINATED STEADY ON DESCENT, WENT OUT AND CAME ON INTERMITTENTLY THROUGHOUT DESCENT UNTIL THEY Jul 27, 2002 · N508MC · Boeing 747230B · Detection SystemSDR UIEA200200025Skin · wornDURING CURRENT (C) CHECK, INSPECTION OF NR 3 PYLON ACCESS PLATE (473AR) CUTOUT, FOUND HEAVY WEAR AT ONE OF THE LATCH POSITIONS. WEAR AREA TRIMMED AWAY FROM SKIN AND DOUBLER. DOOR ACCESS SIZE INCREASED ON RETAINING LIP. FABRICATED REPAIR DOUBLER AND FILLERS.Jul 17, 2002 · N508MC · Boeing 747230B · Nacelle/Pylon, Plate/SkinSDR Q2S2002F00002Duct · blownAIR TURNBACK, ON TAKEOFF, AT 2500 FEET MSL, WITH TAKEOFF POWER AT 113.0 N1, NR 2 ENGINE FIRE LIGHT AND BELL CAME ON. NACELLE INDICATOR BOTH A AND B READ 6.5 SHUTDOWN ENGINE IAW QRH. DUMPED 18,700 LBS OF FUEL. NO EVIDENCE OF FIRE FOUND ON INSPECTION OF ENGINJun 21, 2002 · N744SA · Boeing 747230B · Engine Cooling SystemSDR Q2S2002F00001Valve · malfunctionedAIR TURN BACK: AFTER LIFT OFF, HIGH STAGE LIGHT ILLUMINATED ABOUT 200 FEET. FIRE DETECTION LIGHT ILLUMINATED AT MASTER CAUTION PANEL, NO LIGHT IN HANDLE. A AND B NEEDLE INDICATORS WERE AT 7.5. TESTED SYSTEM, NR 3 LIGHT CAME ON AND STAYED ON. SHUT DOWN ENGJun 17, 2002 · N744SA · Boeing 747230B · Pneumatic Distribution SystemSDR UIE2002F00002Connector · dirtyAIR TURN BACK-AT TOP OF CLIMB ALL MAIN DECK FIRE WARNING LIGHTS ("A" AND "B" LOOPS) ILLUMINATED AT THE SAME TIME. AFTER 4 MINUTES ALL LIGHTS EXTINGUISHED SIMULTANEOUSLY. LOAD MASTER WENT DOWN TO THE MAIN DECK AND VERIFIED THAT NO FIRE WAS PRESENT. CREW DECIJun 16, 2002 · N508MC · Boeing 747230B · Fire DetectionSDR UIE2002F00006Gasket · unsecureNR 2 ENGINE SHUTDOWN DURING CLIMB OUT, DUE TO OIL CONTENT LOSS AND LOW OIL PRESSURE. DUMPED 28,000 KGS OF FUEL TO MAX LANDING WEIGHT. ENGINE WINDMILLED AT 24 PERCENT N1 UNITIL LANDING. C/A: SERVICED ENGINE OIL SYSTEM. FOUND GASKET AT FUEL OIL HEAT EXCHANGMay 4, 2002 · N509MC · Boeing 747230B · Engine Oil Distribution (Airframe Furnished)SDR UIEA02014Computer · faultyAIT TURNBACK, DURING CLIMB-OUT FROM JFK EN ROUTE TO MIA LOWER RUDDER DEFLECTION 5 DEGREES LEFT TO 3 DEGREES RIGHT CONTINUOUSLY. RETURNED TO JFK. DEFLECTIONS CONTINUED DURING DESCENT AND APPROACH. MAINTENANCE USED PITOT STATIC TEST EQUIPMENT TO FIND FAULT. Apr 29, 2002 · N508MC · Boeing 747230B · Autopilot SystemSDR 2003F00061Connector · looseDURING TAKEOFF, AT 60 KNOTS, FIRE DETECTION LIGHT ON FORWARD INSTRUMENT PANEL ILLUMINATED AND NR 3 ENGINE NACELLE TEMPERATURE INDICATOR 'B' LOOP WAS AT 8.5 ON INDICATOR. CHECKED FOR AIR LEAK IAW AMM 36-11-00, NO DISCREPANCIES NOTED. CHECKED FIRE LOOP NR 3 ENApr 10, 2002 · N744SA · Boeing 747230B · Fire DetectionSDR 2002F00445Display · smokeDURING FLIGHT, SMOKE STARTED TO COME OUT OF THE FIRST OFFICERS RADAR DISPLAYED. THE RADAR DISPLAY WAS TURNED OFF AND THE SMOKE STOPPED. REMOVED AND REPLACED FIRST OFFICERS RADAR INDICATOR AND INSPECTED THE SURROUNDING RACK AND CONNECTORS FOR DAMAGE. NO DISCApr 9, 2002 · N743SA · Boeing 747230B · Weather Radar SystemSDR 2002F00756Hydraulic Line · looseAIR TURN BACK, AFTER TAKEOFF, NR 1 HYDRAULIC SYSTEM QUANTITY DECREASING, LOW QUANTITY LIGHT ILLUMINATED. ACCOMPLISHED HYDRAULIC SYSTEM NR 1 FAILURE ABNORMAL PROCEDURE, LEAK STOPPED AT 1 GALLON INDICATED. FOUND PRESSURE LINE TO TRANSMITTER LEAKING. SECURED LApr 7, 2002 · N743SA · Boeing 747230B · Hydraulic System, MainSDR 2002F00757Housing · crackedAIR TURN BACK, IMMEDIATELY AFTER GEAR RETRACTION, NR 1 HYDRAULIC SYSTEM QUANTITY WENT TO ZERO AND NR 1 HYDRAULICS SYSTEM PRESSURE ALSO WENT OT ZERO WITHING 30 SECONDS. FOUND LEFT CCA FILTER HOUSING CRACKED. REMOVED AND REPLACED LEFT CCA IAW AMM 27-11-08. (MApr 4, 2002 · N743SA · Boeing 747230B · Hydraulic System, MainSDR 2002F00132Adc · faultyIN CRZ WITH A/P AND AUTO THROTTLE ENGAGED A/C PITCHED UP WITH ALT HOLD DISENGAGED. BOTH F/D IS INOPERATIVE NR 1 AND 3 INS LOST WIND AND G/S INFORMATION, ALL N1 IS INOPERATIVE. N1 LIMIT INOP TAT INOP TCAS INOP NR 1 MACH IND INOPERATIVE AND NR 1 ALTIMETER WENTJan 21, 2002 · N743SA · Boeing 747230B · Air Data ComputerSDR 2002F00046Control Panel · malfunctionedBLOCK TURN BACK, NR 3 GEN AFTER ENGINE START FIELD TRIPPED AND WOULD NOT REST. RERACKED NR 3 GENERATOR CONTROL PANEL RAN NR 3 ENGINE AT IDLE POWER NR 3 FIELD AND GENERATOR BREAKER CLOSED NORMALLY VOLTAGE AND FREQUENCY WITHIN LIMITS. OPS CHECK GOOD. (M)Jan 12, 2002 · N743SA · Boeing 747230B · AC Power Distribution SystemSDR Q2S2002F00000Generator · failedAIR TURN BACK: AFTER T/O NR 3 GEN FIELD OFF ILLUMINATED ATTEMPTED TO RESET IAW CARRIER PROCEDURES AND FAILED CSD DISC PROC ACCOMPLISHED. T/S SYS PER AMM FOUND NR 3 GCU FAULTY. REMOVED AND REPLACED GCU IAW AMM. OPS CHECK GOOD.Jan 5, 2002 · N743SA · Boeing 747230B · AC Generation SystemSDR 2001F00682Controller · failedON TAKEOFF, APPROXIMATELY AT 150 KNOTS SIGNIFICANT RIGHT RUDDER NEEDED TO MAINTAIN CONTROL. DURING CRUISE AFTER 1 HOUR OF FLIGHT, RUDDER RATION LIGHT BLINKED FOR ABOUT 15 MINUTES THEN WENT OUT. REMOVED AND REPLACED YAW DAMPER COMPUTER FOR PRECAUTIONARY COMPLNov 13, 2001 · N742SA · Boeing 747230B · Rudder Control SystemSDR UIEA01097Intercostal · crackedDURING TVCI PER AD 90-06-14 REF SB 747-53-2293 AREA, FOUND VERTICAL CRACK IN INTERCOSTAL, STATION 290, APPROX LBL 26, UPPER NOSE WHEEL WELL BOX, INTERIOR. REMOVED INTERCOSTAL AT STATION 290. REPLACED INTERCOSTAL WITH P/N 654U6075-594 PER B747 SRM 51-30-02 PASep 7, 2001 · N537MC · Boeing 747230B · Fuselage Miscellaneous StructureSDR 2001F00268Engine · failedAT FLT 310, NR 2 ENGINE FAILED. PROCEEDING FAILURE CREW COULD SMELL OIL SMELL, THEN ENGINE QUIT. N2 WENT TO ZERO ALSO ZERO OIL PRESSURE. N1 APPROXIMATELY 22 PERCENT. A/C DIVERTED TO BKK. (M)Aug 26, 2001 · N512MC · Boeing 747230B · Engine (Turbine/Turboprop)SDR 2001F00251Doubler · corrodedDURING COMPLIANCE OF AD 99-08-10 FOUND EVIDENCE OF CORROSION ON UPPER SIDE, FORWARD LAVATORY, SERVICE DRAIN BOX. AFTER FURTHER INVESTIGATION AND REMOVING THE DRAIN VALVE BOX DOUBLER. IT WAS FOUND THAT THE DRAIN BOX DOUBLER ITSELF WAS CORRODED. REMOVED FORWAAug 10, 2001 · N742SA · Boeing 747230B · Fuselage Miscellaneous StructureSDR UIEA0192Frame · crackedDURIN HFEC INSPECTION PER AD 96-26-04 REFERENCE SB 747-53A2293 FOUND FRAME STATION 280 LEFT CRACKED AT TWO PLACES. EACH CRACK WAS APPROXIATELY .250 INCH LONG, ONE EMINATING FROM AN INSULATION BLANKET STUD MOUNTING HOLE, THE OTHER FROM A GUSSET FASTENER HOLE TJul 30, 2001 · N508MC · Boeing 747230B · Fuselage Structure (General)SDR UIEA01093Frame · crackedDURING HFEC INSPECTION PER AD 96-26-04 REFERENCES SB 747-53A2293 FOUND FRAME STATION 320 RIGHT CRACKED AT AN INSULATION BLANKET STUD MOUNTING HOLE. REMOVED FRAME. REPLACED FRAME WITH P/N 65B07942-564 PER SB 747-53A2293 IAW SRM 51-30-02. (M)Jul 30, 2001 · N508MC · Boeing 747230B · Fuselage Structure (General)SDR 2001F00203Door Seal · looseAIR TURN BACK, AT APPROXIMATELY 1.0 PSI DIFFERENTIAL, A BANG WAS HEARD ACCOMPANIED BY A LOUD ROAR AND AN L-1 DOOR LIGHT. DEPRESSURIZED AIRCRAFT AND L1 DOOR LIGHT WENT OUT. VISUALLY INSPECTED DOOR LATCHES AND OPERATION OF L1 DOOR AND CONFIRMED DOOR WAS NOT SHJul 7, 2001 · N743SA · Boeing 747230B · Passenger/Crew Doors
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