N493MC

Service difficulty reports · 301

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
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 n_number = 'N493MC' AND registry_match = 'registration'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR UIEA2013121000590Warning System · activatedNUMBER 1 ENG PRECAUTIONARY SHUT DOWN, ENG 1 CONTROL STATUS MESSAGE. WINDMILL INSPECTION COMPLIED WITH, NO DEFECTS NOTED. TROUBLESHOT CONTROL STATUS MESSAGE, NOTHING FOUND. ENG RUN PERFORMED, ENG CONTROL MESSAGE RETURNED, ABNORMAL PARAMETERS FOUND. TROUBLESDec 10, 2013 · N493MC · Boeing 74747UF · Engine Indicating SystemSDR UIEA2013112200566Hmu · malfunctionedDURING LT TURN INTO PARKING ADDED POWER FOR TURN, NR 4 ENG NO RESPONSE. R & R 4 ENGINE HMU IAW MM 72-21-14. RAN ENGINE AND PERFORMED MM 71-00-00 TEST 3, 12 AND 2 ENGINE RESPONSE NORMAL.Nov 22, 2013 · N493MC · Boeing 74747UF · Fuel Controlling SystemSDR UIEA2013111900564Fuel Cell · contaminatedENG 2 FUEL FILTER EICAS MESSAGE APPEARED AND DURING LT TURN INTO PARKING THERE WAS NO REPSONSE FROM ENGINE 4 WHEN POWER DEMANDED. FOUND FUEL CONTAMINATED IN ALL FUEL TANKS. CLEANING OF FUEL TANKS CURRENTLY IN PROGRESS. ALL ENGINE FUEL FILTERS AND APU FUEL FINov 17, 2013 · N493MC · Boeing 74747UF · Fuel StorageSDR UIEA2013041200192Door Frame · crackedCRACK ON L5 MAIN ENTRY DOOR FWD FRAME. REPAIRED IAW EI NR T2013A53B-671, REV O. CONDITION CHECKED NORMAL.Apr 12, 2013 · N493MC · Boeing 74747UF · Fuselage Main, StructureSDR UIEA2012061400266Pdu · unknownEICAS MESSAGE OF FLAPS DRIVE DURING FLIGHT. RT PDU ON R1, OPS CHECKED OK IAW AMM 27-81-03.Jun 13, 2012 · N493MC · Boeing 74747UF · Leading Edge Slat Control SystemSDR UIEA2012060100257Support · crackedDURING EO 4453A717 PART III, FOUND SEAL DEPRESSOR SUPPORT CRACKED. FABRICATED NEW SUPPORT "TEE" FOR REPLACED IAW SRM 51-40-02, REV 62.Jun 1, 2012 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2012052100248Access Panel · damagedDURING MX WALKAROUND OF ACFT AT PVG REVEALED NR 3 ENGINE THRUST REVERSER ACCESS DOOR WAS FOUND OPEN AND DAMAGED. ACCOMPLISHED A TIME LIMITED REPAIR.May 21, 2012 · N493MC · Boeing 74747UF · Engine Thrust ReverserSDR UIEA2012040100114Depressor · damagedDURING WALK-AROUND INSPECTION, DAMAGE TO THE MAIN DECK CARGO DOOR SEAL DEPRESSOR AT BS 1920 WAS FOUND. PERFORMED A TIME LIMITED REPAIR.Apr 1, 2012 · N493MC · Boeing 74747UF · Cargo/Baggage DoorsSDR UIEA2011101900577Floorboard · gougedDURING WALKAROUND INSPECTION, DAMAGE FOUND TO MAIN DECK FLOORBOARD BS 400 - RBL 60.0 GOUGED AND DELAMINATED. GOUGED AREA MEASURES APPROX 4.5" X 4.5" DAMAGE IS BEYOND LIMITS IAW SRM 53-00-50, FIG 101. REPAIRED IAW THE SRM 53-00-50, REPAIR 1.Oct 13, 2011 · N493MC · Boeing 74747UF · Fuselage Floor PanelSDR UIEA2011090900491Skin · damagedDURING LOADING OPERATIONS, THE LOWER LOBE - FWD CARGO DOOR EXTERNAL SKIN - BS670 LWR AFT CORNER AREA WAS DAMAGED BY LOADER INTERFERING WHILE CLOSING THE DOOR, THE DAMAGED CORNER MEASUREMENTS FIG 1 (SHEET 3 OF 3). THE DAMAGE EXCEEDS THE SRM 52-30-01, FIG 101 ASep 9, 2011 · N493MC · Boeing 74747UF · Cargo/Baggage DoorsSDR UIEA2011073000395Start Valve · inoperativeSTARTER CUTOUT 2 EICSA MSG. MSG WOULD NOT GO OUT. REPLACED NR 2 ENG START VALVE IAW 80-11-02. CHECKED NORMAL IAW AMM. MSG CLEARED.Jul 30, 2011 · N493MC · Boeing 74747UF · Engine Start Valves/ControlsSDR UIEA2011060900295Web · crackedDURING THE "C CHECK", CRACK DAMAGE TO 65B12457-14 CLOSEOUT WEB ASSY WAS DOCUMENTED IAW NRC 50396. THE ACTION REQUIRED TO CLOSE NRC 50396 WAS TO REPAIR THE CRACK DAMAGE IAW SB 747- 53-2329, REV 2, FIG 3. (2 REPAIR SHEETS 23 INCH BY 12 INCH MADE 2024-T3 OR 7075Jun 9, 2011 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2011060600293Stiffener · deformedDURING A C3-CHECK INSPECTION, THE MLG W/W TOP PRESSURE DECK STIFFENERS AT BS 1398.75 LOWER FLANGE WERE FOUND DEFORMED AT RBL 46 AND RBL 45.5 RESPECTIVELY AS SHOWN ON FIGURE 1. AT BS1398.75 THE DEFORMATION IS APPROX BETWEEN RBL 44 AND RBL 47. THE WEB IS ALSO Jun 6, 2011 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2011060600292Stiffener · deformedDURING A C3-CHECK INSP, THE MLG W/W TOP PRESSURE DECK STIFFENERS AT BS 1393.5 & NBSP; LOWER FLANGE WERE FOUND DEFORMED AT RBL 46 AND RBL 45.5 RESPECTIVELY AS SHOWN ON FIG 1. AT BS1393.5 THE DEFORMATION IS APPROX BETWEEN RBL 44 AND RBL 48. THE WEB IS ALSO DEFJun 6, 2011 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2011031800156Structure · damagedDURING WALKAROUND INSP IN ANC, MX FOUND THE RT WING LANDING GEAR DOOR - LOWER EDGE DAMAGE, MEASURING 3.0 IN. X 0.5 IN. (DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1, WORK INSTRUCTIONS, SCHEDULE REPEAT INSP AT EVERY 25 FC (FLIGHMar 18, 2011 · N493MC · Boeing 74747UF · Landing Gear DoorsSDR UIEA2010121600194Sleeve · crackedDURING MX WALKAROUND, FOUND A CRACK ON THE EXHAUST NOZZLE OUTER SLEEVE, STARTING AT APPROX THE 12 O'CLOCK POSITION ON THE NR2 ENGINE. THE CIRCUMFERENTIAL CRACK IS APPROX 12" LONG AND IS APPROX 13" FROM THE T/E OF THE NOZZLE. IAW SRM 54-41-30 THE LENGTH OF THE Dec 16, 2010 · N493MC · Boeing 74747UF · Engine Collector/Tailpipe/NozzleSDR UIEA2010120300184Torque Tube · shearedDURING WALKAROUND INSP, MX FOUND THE MED L1 - UPPER TORQUE TUBE ASSY SHEARED. (DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS; SCHEDULE REPEAT INSPECTIONS AT EVERY 5 FC (FLIGHT CYCLES) AND PERMANENT REPAIR PRIORDec 3, 2010 · N493MC · Boeing 74747UF · Passenger/Crew DoorsSDR UIEA2010111300179Skin · crackedDURING WALKAROUND INSP, MX FOUND DAMAGE TO THE FUSELAGE SKIN AT BS 2600 BELOW STRINGER 42R, CONSISTING IN A CRACK, MEASURING 0.250 IN. LONG. THE DAMAGE IS BEYOND THE ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-01, FIG 101 (ALLOWABLE DAMAGE 1). (DISPOSITION WAS MADNov 13, 2010 · N493MC · Boeing 74747UF · Fuselage Main, Plate/SkinSDR UIEA2010110700174Sleeve · crackedDURING MX WALKAROUND OF MX FOUND 3EA CRACKS ON THE EXHAUST NOZZLE OUTER SLEEVE, THE FIRST CRACK STARTING AT APPROX THE 12 O'CLOCK POSITION AND ENDING AT THE 2 O'CLOCK POSITION ON THE NR 3 ENGINE. THE CIRCUMFERENTIAL CRACK IS APPROX 19" LONG AND IS APPROX 13" FNov 7, 2010 · N493MC · Boeing 74747UF · Engine Collector/Tailpipe/NozzleSDR UIEA2010092200162Cowling · damagedTHE PURPOSE OF THIS EO IS TO DOCUMENT A MAJOR REPAIR. DURING WALK-AROUND INSP, MX FOUND THE NR1 LT T/R TRANSLATING COWL WITH DELAMINATION DAMAGE TO THE OUTER SKIN, MEASURING 5.0 IN. X 2.0 IN LOCATED APPROX AT 10 O'CLOCK POSITION (REF FIG 1) AND A CRACK MEASURISep 22, 2010 · N493MC · Boeing 74747UF · Engine Thrust ReverserSDR UIEA201000230Nozzle · crackedEO 4478A138: DURING MX WALKAROUND, MX FOUND 1EA CRACK ON THE NR2 ENGINE EXHAUST NOZZLE OUTER SLEEVE, AT APPROX THE 9 O'CLOCK POSITION. THE CIRCUMFERENTIAL CRACK IS APPROX 4.5 IN LONG. IAW SRM 54-41-30 THE LENGTH OF THE CRACK IS OUT OF LIMITS. DISPOSITION IS TOSep 20, 2010 · N493MC · Boeing 74747UF · Engine Collector/Tailpipe/NozzleSDR UIEA2010060300024Skin · tornLT WING INBD T/E MID FLAP INBD FUSELAGE SEAL UPPER SURFACE TORN. REQUIRES REPLACEMENT. (EO 4457A263/ NON MEL MDDR 17280 RAISED FOR LW T/E INBD MID FLAP TEMP REPAIR PER PT 1 OF EO AND REPEAT INSP IAW PT 2 WITH PERM REPAIR TO BE CARRIED OUT AT THE NEXT A CHECKJun 3, 2010 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA201000155Skin · damagedON WALK AROUND INSP FOUND DAMAGE ON LT MID FLAP L/E (INBD FLAP). "EO 4457A247: DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS BY INSTALLING AN EXTERNAL REPAIR DOUBLER; SCHEDULE REPEAT INSPECTIONS AT EVERY 15 FC AMay 6, 2010 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA201000133Seat Track · crackedTHE PURPOSE OF THIS EO IS TO DOCUMENT MAJOR REPAIRS. DURING A CHECK INSPECTION AT MIA, DAMAGE TO THE MAIN DECK-BS 1834, LBL 98.58 SEAT TRACK & BS 1834, LBL 101.33 SUPPORT BEAM WITH CRACKS/DAMAGE (REF FIG 1). DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAApr 14, 2010 · N493MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach FittingsSDR UIEA200900044Frame · crackedFOUND CRACK ON THE HORIZONTAL FLANGE OF THE AFT CARGO FRAME UPPER CAP AT STATION 1820 LBL 24. ACCOMPLISHED REPAIR ON HORIZONTAL FLANGE IAW EI NR T2009A53B-806.Jul 24, 2009 · N493MC · Boeing 74747UF · Fuselage Main, FrameSDR UIEA200900043Flap Track · damagedNR 5 FLAP TRACK RT SIDE SCRATCHED BY BROKEN CARRIAGE ROLLER. REPAIRED IAW EO T2009A57B-749 REV 00.Jul 11, 2009 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA200900042Structure · crackedFUSELAGE LONGERON BOX FAIRING AND STRUCTURE CRACKED AT STA 1372, STR 35L. REPAIRED IAW SRM 51-70-07 FIG 201 AND SRM 51-40-02-06.Jul 2, 2009 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA200900041Structure · crackedFUSELAGE LONGERON BOX FAIRING AND STRUCTURE CRACKED AT STA 1372, STR 35R. REPAIRED IAW SRM 51-70-07 FIG 201 AND 747F SRM 51-40-02-06.Jul 2, 2009 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA201000175Linkage · damagedRT OTBD MID TO AFT FLAP SUPPORT LINKAGE STRUCTURE PN 65B39149-19/21 WAS FOUND DAMAGED, WITH A GOUGE/DENT. "AFTER BLEND OUT THE REWORKED AREA MEASURED 0.500 IN WITH A 0.013 IN DEPTH. IN ADDITION, INSPECTION OF THE DAMAGE WAS PERFORMED AS DESCRIVED IN THE PART 1Mar 22, 2009 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA200900021Switch · failedBLOCK TURN BACK DURING TAXI OUT CREW REPORTED BRAKE STATUS MESSAGE DISPLAYED. TROUBLESHOT TO PARKING BRAKE PEDESTAL SWITCH. REPLACED SWITCH OPS CHECKED NORMAL.Mar 9, 2009 · N493MC · Boeing 74747UF · Landing Gear Brake SystemSDR UIEA200800271Skin · damagedDURING WALKAROUND DAMAGE FOUND AT TAIL POST AREA BS 2618 STRINGER 46R. PART 1 INTERIM REPAIR ACCOMPLISHED IAW EO 4453A139. PART 2 INITIAL HFEC AT NEXT "A" CHECK. PART 3 REPEAT INSPECTION DVI AT EVERY "A" CHECK. PART 4 PERMANENT REPAIR AT NEXT "C" CHECK. (Jul 31, 2008 · N493MC · Boeing 74747UF · Fuselage Main, Plate/SkinSDR 200800028Skin · puncturedDURING A CHECK, FOUND LT WING T/E I/B MID FLAP WBL 443.83 LOWER SURFACE CRACKED AND BULLNOSE PUNCTURE, IN ADDITION LT IB AFT FLAP WBL 445 OUTBOARD EDGE WITH DELAMINATION. DISPOSITION WAS MADE TO PERFORM A WET LAY UP INTERIM REPAIR (REF BOEING SRM 57-53-01, FIFeb 4, 2008 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA200600220Fairing · damagedN493MC WAS AT PIK FOR A-2 CHECK. AS PER NON-MEL 06-068 AND N/ROUTINE 41. A HOLE WAS FOUND IN LEADING EDGE OF RIGHT WING BODY FAIRING AT STA 840. INTERIM REPAIR CARRIED OUT AS PER SRM 53-00-70 (NOTE B). TAP TEST ON EVERY CHECK AND PERMANENT REPAIR WILL BE CAug 30, 2006 · N493MC · Boeing 74747UF · Wing StructureSDR UIEA200600157Solenoid · inoperativeON DEPARTURE, GEAR WOULD NOT RETRACT, NO MESSAGES. QRH ACTIONED, NO IMPROVEMENT. ATB, SEVERAL ATTEMPT, GEAR LOCK OVRD WOULD NOT MOVE. TRANSFERRED TO DMI PG 81157 DMI M06-065 MEL 32-31-01 CAT "C". LANDING GEAR SOLENOID INOP. ALL LG GRD TEST OK AS PER MM 32-Jul 3, 2006 · N493MC · Boeing 74747UF · Landing Gear Retraction/Extension SystemSDR UIEA200600132Warning System · malfunctionedSTATUS MESSAGE GEAR MONITOR ON APPROACH BELOW 800 FEET. GPWS TOO LOW GEAR. CALL GO AROUND. ON SECOND APPROACH THE WARNING REPEATED UNIT TOUCH DOWN. PERFORMED CMC GROUND TEST ON PSEU SYSTEM, PRIMARY AND ALTERNATE LANDING GEAR SYSTEMS. ALL TEST RESULTS PASSJun 13, 2006 · N493MC · Boeing 747400 · Ground Proximity SystemSDR UIEA200500167Skin · damagedDURING TRANSIT CHECK, FOUND AIRCRAFT DAMAGE AT AFT FUSELAGE NEAR STA 2577.75. REPAIR SCHEME FROM SRM 53-00-01 REPAIR 1 AND 2 , H/F EDDY CURRENT INSPECTION, SIGNED ON WORK PERFORMANCE STATEMENT. REPAIR TO CAT B STANDARD, TO BE INSPECTED EVERY 1500 HOURS. REPOct 19, 2005 · N493MC · Boeing 74747UF · Fuselage Main, Plate/SkinSDR UIEA200500062Seat Track · damagedMAIN DECK SEAT TRACK DAMAGED AT SAT 1810 NEXT TO SIDE CARGO DOOR. SEAT TRACK REPAIRED IAW SRM. (K)Apr 21, 2005 · N493MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach FittingsSDR UIEA200500061Support Beam · damagedSTA 1810 SIDE CARGO DOOR SILL SUPPORT BEAM DAMAGED AT ROLLOUT SAFETY STOPS. FORM 8100-9 SHOWS THAT THE DAMAGED AREA WAS TRIMMED OUT AND A REPAIR ANGLE IS INSTALLED. (K)Apr 21, 2005 · N493MC · Boeing 74747UF · Fuselage Main, StructureSDR UIEA200500044Tire · blownFLIGHT (90 K FUEL DUMPED). AT ABOUT V1 SPEED, DURING T/O GOT BRAKE LIMITER AND ANTI SKID EICAS FOLLOWED BY GEAR CONFIG AND BODY GEAR STEERING WARNING, AND AFTER LIFT OFF GEAR TILT EICAS. LANDED BACK IN TPE AFTER DUMPING FUEL AND COORDINATING WITH GCC. NR 11Mar 31, 2005 · N493MC · Boeing 74747UF · TireSDR UIEA200500020Proximity Sensor · malfunctionedAFTER TAKEOFF GEAR CLOSED NORMALLY; INDICATED CLOSED GEAR LEVER SELECTED TO OFF; VIBRATION FELT, EICAS MSG (GEAR DOOR) AND SYNOPTIC INDICATED LT BODY GEAR DOOR NOT CLOSED. NNC 14.5 ACCOMPLISHED AND FLIGHT CONTINUED WITH GEAR LEVER IN UP POSITION. PERFORMED VMar 15, 2005 · N493MC · Boeing 74747UF · Landing Gear Position and WarningSDR UIEA200500010Flap · damagedDURING WALK AROUND, MAINTENANCE FOUND DAMAGED TO LEFT OUTBOARD MIDFLAP T/E. REMOVED AND REPLACED LEFT OUTBOARD MIDFLAP IAW TASK CARD 27-51-04-404-025 REV 17 OCT 2003 S/N OFF, 000484. (M)Feb 22, 2005 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA200300063Outflow Valve · false indicationGT840 TLV/AMS OUTFLOW VALVE MESSAGE: OUTFLOW VALVE R ON TAXI OUT FOR TAKEOFF. ACCOMPLISHED CMC GROUND TEST. SYSTEM PASSED, ADVISORY MESSAGE CLEARED. SYSTEM OPERATION OK.Nov 13, 2003 · N493MC · Boeing 74747UF · Pressure Regulator/Outflow ValveSDR UIEA200300022Cable · stuckDURING C-04 CHECK IN FRA AND WHILE PERFORMING AN OPERATIONAL CHECK OF THE INFLATABLE EVACUATION SYSTEM AT THE UPPER DECK DOOR RIGHT SIDE AS PER WO A230102GTI, THE SLIDE WAS LIFTED AND HAD FALLEN OUT OF THE DOOR FRAME. SUDDENLY THE SLIDE STOPPED ROTATING AND SApr 30, 2003 · N493MC · Boeing 74747UF · Escape SlideSDR G5S2003F00001Slide · inoperativeINFLATABLE EVACUATION SYSTEM OF THE RIGHT UPPER DECK DOOR DOES NOT INFLATE PROPERLY. THE SLIDE WAS LIFTED AND HAS BEEN FALLEN OUT OF THE DOOR FRAME. SUDDENLY THE SLIDE STOPPED ROTATING AND STUCK. AFTER WAITING SEVERAL SECONDS THE MECHANIC OPENED THE VELCRO Apr 30, 2003 · N493MC · Boeing 747400 · Escape SlideSDR G5S2003F00000Slide · inoperativeDURING AN OPERATIONAL CHECK OF THE INFLATABLE EVACUATION SYSTEM AT THE UPPER DECK DOOR RT, THE SLIDE WAS LIFED AND HAS BEEN FALLEN OUT OF THE DOOR FRAME. SUDDENLY THE SLIDE STOPPED ROTATING AND STUCK. AFTER WAITING SEVERAL SECONDS THE MECHANIC OPENED THE VELApr 30, 2003 · N493MC · Boeing 747400 · Escape SlideSDR UIEA0019Rivet · shearedDURING INSPECTION OF SAT COM E-42 RACK, FOUND TWO RIVETS SHEARED AT STA 1610 INTERSECTION OF A HORIZONTAL AND VERTICAL STIFFENERS. REPLACED RIVETS PER SRM 51-40-02 IN CONJUNCTION WITH ATLAS EO 4453A003 REV A. AUTHORIZATION GRANTED VIA MCC REFERENCE BOEING TEApr 3, 2000 · N493MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UEIA99080Safety Wire · brokenINSPECTED A/C PER ATLAS AIR FCD99-17, FOUND THE FOLLOWING AFT FLAP TRACK CARRIAGE BOGIE PIN ASSEMBLIES WITH FAILED SAFETY WIRE AT TWO POSITIONS; NR 7 INBOARD PIN, WIRE BROKEN, TORQUE ON BOLT OK. NR 8 INBOARD, WIRE BROKEN, TORQUE ON BOLT OK. NO BOLT OR PIN MISep 28, 1999 · N493MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA9945Nozzle · crackedDURING ROUTINE INSPECTION, NR 2 ENGINE S/N 704756 EXHAUST SLEEVE (NOZZLE) CRACKED AT PREVIOUS WELD REPAIRED AREA. CRACK LENGTH, 10 INCHES AT 11 O'CLOCK POSITION APPROXIMATELY 12 INCHES FORWARD FOR THE AFT END. REFERENCE SDR 99-26. UNIT REMOVED AND REPLACED.Jun 30, 1999 · N493MC · Boeing 74747UF · Engine Collector/Tailpipe/NozzleSDR UIEA99046E42 Rack · crackedDURING A SCHEDULED VISUAL INSPECTION OF THE SAT-COM RACK ASSEMBLY (E42) PER ATLAS AIR W.O. NR 1121207 (REF EO NR 121207/01), CRACKS WERE DISCOVERED ON THE BOTTOM LT FORWARD FRAME CORNER STA 1600 ALONG WITH LOOSE RIVETS ON THE UPPER FORWARD END OF THE DIAGONAL Jun 30, 1999 · N493MC · Boeing 74747UF · Electronic Shelf SectionSDR UIEA9926Nozzle · crackedEXHAUST NOZZLE CRACKED AT CIRCUMFERENTIAL SEAM WELD, NR 2 ENGINE 11 O'CLOCK POSTION 8 INCH LENGTH AFT END. REPLACED. (X)May 29, 1999 · N493MC · Boeing 74747UF · Engine Collector/Tailpipe/Nozzle
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