N1489A

Service difficulty reports · 294

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 = 'N1489A' 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 UIEA2022120601205Proximity Switch · faultedLE FLAP ASSYMETRY EICAS MASSAGE WAS LE SLAT ASYM NOT FLAP. C/W FIM PROCEDURE 27-90-14 AND FOUND CODE 284 ON PSEU. REMOVED AND REPLACED LT INBD PROX SWITCH 284 IAW AMM 27-88-01, OPS CHECKED GOOD.Dec 6, 2022 · N1489A · Boeing 76731K · Leading Edge Slat Control SystemSDR UIEA2022113001203Wire · damagedLE SLAT ASYM EICAS MESSAGE ON CLIMB OUT COMPLIED WITH QRH FLAPS STOPPED BETWEEN 1 AND UP(<P>REMOVED AND REPLLACED WIRES W480-05TB/R-20 AND W480-06TB/R-20 IAW WDM 27-88-22 AND SWPM 20-00-13 OPS TEST GOOD NO FAULTS NOTED</P>)Nov 30, 2022 · N1489A · Boeing 76731K · Flight Control System WiringSDR UIEA2022083100935Support Fitting · none#2 PYLON FAN COWL SUPPORT MOUNT IS CRACKED ON I/B LOWER AFT RADIUS.(<P>REMOVED AND REPLACED #2 PYLON FAN COWL SUPPORT FITTING IAW B767 SRM 51-40-02</P>)Sep 10, 2022 · N1489A · Boeing 76731K · Nacelle/Pylon StructureSDR UIEA2022083100936None · noneAPU COMP; CORROSION ON AND AROUND MULTIPLE FASTENERS COMMON TO SKIN AND DOOR HINGE ANGLE AT FWD END OF R/H APU DOOR(<P>REMOVED CORROSION FROM AROUND FASTENER COMMON TO DOOR UPPER LONGERON/SKIN. ORIGINAL MATERIAL .050" REMAINING MATERIAL .043". RESTORED PROPER Sep 10, 2022 · N1489A · Boeing 76731K · Fuselage Structure (General)SDR UIEA2022090100937None · noneLH WING INBD MAIN FLAP LOWER SURFACE HAS AREAS OF BULGING SKIN LOWER CHORD, APROX€™ 52€? FROM THE INBD END THRU THE INBD SIDE OF THE OUTBD FLAP TRACK.(<P>REMOVED THE CORROSION FROM THE AFT LOWER CHORD OF THE LH INBOARD FLAP IAW B767 SRM 51-10-02. ORIGINAL MASep 10, 2022 · N1489A · Boeing 76731K · Trailing Edge Flap Control SystemSDR UIEA2022090100938None · noneFWD CARGO DOOR INNER SKIN GOUGED FWD OF 5TH LATCH VIEWPORT(<P>REMOVED GOUGE FROM FWD CARGO DOOR INNER LOWER BEAM. ORIGINAL MATERIAL WAS .125" REMAINING MATERIAL IS .110". RESTORED PROPER FINISH. AREA WAS BLESSED AS IS IAW B767 EA 22020 REV:IR</P>)Sep 10, 2022 · N1489A · Boeing 76731K · DoorsSDR UIEA2022020200082Tape · noneCA AND FO EVAS SECURITY TAPE BROKEN.(<P>REMOVED AND REPLACED EVAS SECURITY TAPE IAW AMM 25-60-99 FOR CA AND FO EVAS</P>)Feb 2, 2022 · N1489A · Boeing 76731K · Emergency EquipmentSDR UIEA2022010700007Controller · noneLEFT PACK OFF REMAINED ILLUMINATED AFTER BOTH ENGINES STARTED(<P>R&R L PACK TEMP CONTROLLER PER AMM 21-51-14. CONTROLLER USED FROM AC N1373A OPS CHECK GOOD. NO DEFECTS NOTED</P>)Jan 8, 2022 · N1489A · Boeing 76731K · Cabin Cooling SystemSDR UIEA2021100802207Wire Harness · inoperativeLEFT ENGINE FIRE LOOP 1 INOP. ETOPS 120 RESTRICTED.(<P>TRANSFERRED TO DMI 154725 IAW MEL 26-11-01-01, CAT 'C'.</P> / <P>LP 1401394, ITEM M8: REMOVED AND REPLACED HARNESS TS682 ENG LWR AFT FIRE DET TO TS683 ENG LWR FWD FIRE DET. WIRE W5324-456R-16 IAW AMM 26-11Oct 8, 2021 · N1489A · Boeing 76731K · Fire Protection System WiringSDR UIEA2021100702200None · noneWEATHER SYS 2 FAIL "WXR SYS" STATUS.(<P>PERFORMED WX RADAR OPS TEST IAW AMM 34-43-00. OPS NORMAL.</P>)Oct 6, 2021 · N1489A · Boeing 76731K · Doppler SystemSDR UIEA2021100702201Transceiver · noneR WEATHER RADAR SYSTEM FAIL.(<P>TRANSFERRED TO MDDR # 154685 IAW MEL 34-43-01, CAT "C". DUE DATE: 03FEB2022. PLACARDS INSTALLED.</P> / <P>LP 1401393 ITEM 5: REMOVED AND REPLACED RH WX TRANSCEIVER IAW AMM 34-43-01. OPS CHECKS GOOD. THIS CLEARS MDDR 154685. MCC Oct 6, 2021 · N1489A · Boeing 76731K · Doppler SystemSDR UIEA2021100302171Fire Warning · false activationL ENG FIRE LP 1 STATUS MESSAGE. RAN FIM 26-11 F/T 804. STATUS MESSAGE CLEARED, ENDED AT BLOCK 110 "SYSTEM IS OK" OPS CHECK GOOD AT THIS TIME.Oct 3, 2021 · N1489A · Boeing 76731K · Fire DetectionSDR UIEA2021100402182Fire Loop · out of positionAFTER ENG SHUTDOWN IN THE BLOCKS L ENG FIRE LP 1 STATUS MESSAGE DISPLAYED.(<P>PERFORMED L ENG FIRE LP 1 INSPECTION, FOUND CONTACT WITH THE LINE, ALIGNED IT IAW AMM 26-11-02. OPS CHECK GOOD.</P>)Oct 1, 2021 · N1489A · Boeing 76731K · Smoke DetectionSDR UIEA2021092302091Warning Message · illuminatedL ENGINE FIRE LOOP 1 STATUS MESSAGE AFTER ENGINE SHUTDOWN(<P>TRANSFERRED TO DDG IAW MEL 26-11-01-01, CAT C, MDDR 153959, DUE DATE 02OCT2021. PLACARDS INSTALLED.</P>)Sep 22, 2021 · N1489A · Boeing 76731K · Smoke DetectionSDR UIEA2021092202073Apu · overservicedAPU AUTO SHUTDOWN AFTER PUSH BACK. RESTARTED APU AND RAN FOR 3 MIN THEN SHUT DOWN AGAIN. RETURN TO GATE.(<P>FOUND APU OIL OVER SVCD. PROPERLY SVCD APU IAW AMM 12-13-04. VERIFIED PROPER OIL SVC. PERFORMED FIM 49-11 FT 958. NO FAULTS NOTED. SYSTEM SATISFACTORY. Sep 21, 2021 · N1489A · Boeing 76731K · APU Start/Ignition SystemSDR UIEA2021091902055Shutoff Valve · bindingSTATUS MESSAGE R ENG HPSOV(NOTICED IN FLIGHT) 2 INTERMITTENT EICAS R ENG HPSOV(<P>PERFORMED FIM TASK 36-10 FT 833 UP TO BLOCK 40. PERF AIR SUPPLY BITE PROCEDURE IAW AMM 36-20-00. R ENG HPSOV FAULTING ON BITE. PERFORMED LEAK TEST/OPS CHECK ON HPSOV HP CONTROLLESep 20, 2021 · N1489A · Boeing 76731K · Pneumatic Distribution SystemSDR UIEA2021091702040Fire Warning · false activationAFTER ENG SHUTDOWN AT THE BLOCKS L ENG FIRE LP 1 STATUS MESSAGE DISPLAYED. PERFORMED TS PER B767 FIM 26-11 FAULT TREE 804 BLOCK 1-110. STATUS MESSAGE CLEARED. DID NOT RETURN. SYSTEM OK AT THIS TIME. NO FURTHER MX REQ.Sep 17, 2021 · N1489A · Boeing 76731K · Fire DetectionSDR UIEA2021091702043Controller · warning messageDURING TAKEOFF "R ENG HPSOV" ADVISORY MESSAGE DISPLAYED MOMENTARILY FOLLOWED BY R ENG HPSOV STATUS MSG(<P>TRANSFER TO MDDR 153644 IAW MEL 36-11-02-02 CAT C DUE DATE 26SEP21. MX ACTION C/W.</P> / <P>18SEP, AFW, LP 1391398, ITEM M12: T/S IAW B767 FIM 36-10 FT 84Sep 16, 2021 · N1489A · Boeing 76731K · Pneumatic Distribution SystemSDR UIEA2021091702044Warning Message · false activationL ENG FIRE LP1 STS MSG(<P>PERFORMED FIM TASK 26-11 FAULT TREE 804 ON L ENG FIRE LOOP 1 NO FAULTS FOUND. </P>)Sep 15, 2021 · N1489A · Boeing 76731K · Fire DetectionSDR UIEA2021091702045Shutoff Valve · warning messageR ENG HPSOV ADVISORY & STATUS MSG.(<P>PERFORMED AIR SUPPLY BITE PROCEDURE REF FIM 36-20-00. NO FAULTS NOTED.</P>)Sep 15, 2021 · N1489A · Boeing 76731K · Pneumatic Indicating SystemSDR UIEA2021091081986Pump · inoperativeRIGHT CENTER FUEL PUMP INOP(<P>ITEM TRANSFERRED TO DMI 153192 PER MEL 28-22-02A CAT C DUE DATE 18SEP2021. MX ACTIONS C/W. DL @ 0541Z.</P> / <P>LOG PAGE 1391426: PERF FIM 28-31 F/T 809 GFI CONTINUED TO POP. REMOVED AND REPLACED RT CENTER TANK PUMP ASSY, IAW AMMSep 7, 2021 · N1489A · Boeing 76731K · Fuel Boost PumpSDR UIEA2021090601973Apu · shutdownAPU SHUTDOWN BEFORE PUSH. RESTARTED WITH NO ISSUES(<P>PERFORMED OPS CHK OF APU START SYSTEM. OPS CHKS GOOD IAW AMM 49-41-00.</P>)Sep 7, 2021 · N1489A · Boeing 76731K · APU Core EngineSDR UIEA2021090701978Status Message · illuminatedAPU DOOR STATUS MESSAGE. APU DOOR ACTUATOR C/B RESET AND OPS TEST OK IAW AMM 49-11-00.Sep 4, 2021 · N1489A · Boeing 76731K · Auxiliary Power Unit (APU) DoorsSDR UIEA2021090301942Circuit Card · malfunctionedL ENG OH LP 1 STATUS MESSAGE(<P>TRANSFERRED TO DMI #152929, CAT C, DUE DATE 12SEP21 IAW DDG 26-11-02-01.</P> / <P>03 SEP 21 - LP 1369067 ITEM 7 - CVG - T/S IAW FIM 26-11 FAULT TREE 804. FOUND L ENG OH LP CARD TO BE AT FAULT. REMOVED AND REPLACED L ENG OH LP1 CSep 2, 2021 · N1489A · Boeing 76731K · Overheat DetectionSDR UIEA2021090301943Warning Message · false activationL ENG FIRE LP 1 STATUS MSG(<P>PERFORMED OPS CHK OF THE FIRE DETECTOR SYS. OPS CHECKS GOOD IAW AMM 26-11-00</P>)Sep 2, 2021 · N1489A · Boeing 76731K · Fire DetectionSDR UIEA2021083101920Status Message · false activationAFT EXH FAN FAN #2 STATUS MSG(<P>REF FIM 21-51 FT A02. PERFORMED OPS CHECK OF AFT EXH FAN # 2 PER FIM OPS CHECK GOOD AT THIS TIME. </P>)Aug 28, 2021 · N1489A · Boeing 76731K · Central WarningSDR UIEA2021082701900Status Message · illuminatedL ENG FIRE LOOP 1 STATUS MESSAGE. REPLACED FIRE OVERHEAT CARD M10224 PER AMM 26-10-01.Aug 27, 2021 · N1489A · Boeing 76731K · Fire DetectionSDR UIEA2021082201834Sensor · faultedAPU INOPERATIVE. REMOVED AND REPLACED FLOW SENSOR ON FLOW SENSE MODULE IAW AMM 49-53-08. OPS CHECK AND SELF TEST DONE IAW AMM 49-11-00 & 49-61-05. BOTH TESTS GOOD AT THIS TIME. LEAK CHECK GOOD AT THIS TIME.Aug 21, 2021 · N1489A · Boeing 76731K · APU Engine Fuel and ControlSDR UIEA2021081701816Indicator · faultedDURING T/O ROLL AIRSPEED WOULD STAGNATE AT CONSISTENT 20 KTS INTERVALS FOR +/- 2 SECONDS. T/O REJECTED AT 120 KTS.(<P>PERF L&R ADC BITE PER AMM 34-12-00. SYSTEM TEST GOOD. PER AMM 34-11-00. LEAK & OPS CHECK PASSED. INSPECTED PITOT TUBES & DRAIN, NO DESCREPANCIAug 16, 2021 · N1489A · Boeing 76731K · Airspeed/Mach IndicatorSDR UIEA2021081601808Ecu · faulted10 SECONDS AFTER SELECTING AU HYD PUMPS ON DURING BEFORE START APU COMPLETELY SHUT DOWN ALARM SOUNDED.(<P>TRANSFERRED TO MDDR 151805 PER MEL 49-11-01-01. APU PNEUMATICS INOP, CAT C, DUE DATE 23AUG21. DDG 36-11-04 COMPLIED WITH.</P> / <P>LP 1370461 - 14AUG21 - Aug 13, 2021 · N1489A · Boeing 76731K · APU Start/Ignition SystemSDR UIEA2021081201788Valve · failedAPU PNEUMATICS INOP(<P>ITEM TRANSFERRED TO MDDR 151753 PER MEL 49-11-01-01, CAT C. DUE DATE 22-AUG21.</P> / <P>LOGPAGE 1402488 ITEM 4: PERFORMED FIM 49-11 F/T 958, FOUND REVERSE FLOW FAULT DISPLAYED. REMOVED AND REPLACED SURGE CONTROL VALVE. OPS CKS GOOD. THISAug 12, 2021 · N1489A · Boeing 76731K · APU Bleed Air SystemSDR UIEA2021080621682Clamp · looseAPU BLEED INOP(<P>TRANSFERRED TO MDDR 151192 IAW MEL 49-11-01A , CAT C.</P> / <P>CVG 08 AUG 21 LP# 1370355 ITEM# M6 INSTALLED CLAMP ON PNEUMATIC DUCT TO APU SOV IAW B 767 AMM 36-11-01. LEAK CHECK GOOD. OPS CHECK GOOD. THIS CLEARS DMI 151192, MCC NOTIFIED ,Aug 2, 2021 · N1489A · Boeing 76731K · APU Bleed Air SystemSDR UIEA2021072801638Radar · faultedWX RADAR NOT PAINTING CORRECT W/ TILT(<P>PERFORMED WX RADAR OPS TEST IAW 34-43-00. OPS NORMAL AT THIS TIME. NO DEFECTS NOTED, COULD NOT DUPLICATE ON GROUND.</P>)Jul 26, 2021 · N1489A · Boeing 76731K · Weather Radar SystemSDR UIEA2021072601632Oil System · leakingENG #2 HAS OIL LEAK INSIDE THE FAN SPINNER AREA OF #1 BEARING MANIFOLD(<P>REMOVED AND REPLACED #2 ENG #1 BEARING MANIFOLD IAW AMM 72-31-03</P> / <P>SEE LOGPAGE 1188466 ITEM 15...REPLACED #2 ENG IAW AMM 72-00-00.</P> / <P> </P>)Jul 24, 2021 · N1489A · Boeing 76731K · Turbine Engine Oil SystemSDR UIEA2021061401353Start Valve · inoperativeEICAS MSG: R ENG STARTER(<P>REPLACED #2 ENG STARTER VALVE REF B767 AMM 80-11-02-404-012-H00. PERFORMED START VALVE TEST. OPS CHECK GOOD. NO LEAKS NOTED. REF B767 AMM 71-00-00-995-229-H03. </P>)Jun 14, 2021 · N1489A · Boeing 76731K · Engine Start Valves/ControlsSDR UIEA2021051701136Warning Message · false activation'WXR SYS" STATUS MESSAGE(<P>PERFORMED OPERATIONAL TEST OF BOTH WEATHER RADAR SYSTEM IAW AMM 34-43-00. NO FAULTS FOUND AT THIS TIME. NO CURRENT STATUS MESSAGE.</P>)May 17, 2021 · N1489A · Boeing 76731K · Weather Radar SystemSDR UIEA2021050501064Warning Message · false indicationRIGHT RADAR SYSTEM INOP "WXR FAIL" ON MFD(<P>PERFORMED THE WEATHER RADAR SYSTEM OPERATIONAL TEST IAW AMM 34-43-00. NO FAULTS FOUND, OK TO CONTINUE<BR /></P>)May 4, 2021 · N1489A · Boeing 76731K · Weather Radar SystemSDR UIEA2021050201050Modulating Valve · not reportedREF A/P-19857(<P>PER MCC REQUEST R&R FAN AIR MODULATING VALVE.TEST FAILED AND REINSTALLED ORIGINAL FAMV PER B 767 AMM 36-11-16-404-015-006. TRANSFERRED TO MDDR # 146267 IAW 36-12-02-01. COMPLIED WITH MX PROCEDURES PER DDG. CAT C DUE DATE 12-MAY-21 MCC NOTIFIEDMay 2, 2021 · N1489A · Boeing 76731K · Pneumatic SystemSDR UIEA2021042901024Status Message · false activationSTATUS " L ENG FIRE LP 2"(<P>TRANSFERRED TO MDDR 146126 IAW MEL 26-11-01-01 CAT C </P><P>2MAY2021 - 1485163 ITEM #1 - PERFORMED FIM 26-11 FAULT TREE 805, LOOP RESISTANCE CHECKS ACCOMPLISHED. NO DEFECTS NOTED. MDDR CLEARED.</P>)Apr 29, 2021 · N1489A · Boeing 76731K · Fire DetectionSDR UIEA2021041400885Floorbeam · corrodedFWD CARGO LOWER DOOR CUTOUT FLOOR BEAM T-CHORD CORROSION AT STA 580. REMOVED CORROSION ON THE FWD CARGO FLOOR BEAM T-CHORD AT STA 580 ORIG. MAT. WAS .100 REMAINING MAT. IS .070 FOUND TO BE OUT OF LIMITS AFTER DAMAGE REMOVAL IAW B767 SRM 53-00-15 ASSET #002266Apr 23, 2021 · N1489A · Boeing 76731K · Fuselage Main, Floor BeamSDR UIEA2021041400886Fitting · corrodedFWD CARGO COMPT. I/B OF LOWER SILL BEAM CARGO HANDLING FITTING HAS EXFOLIATED CORROSION AT FWD O/B MOUNT AT STA 526 RBL 35"(<P>REMOVED CORRODED MOUNT PAD AT FWD CARGO I/B OF LOWER SILL BEAM CARGO HANDLING FITTING FWD O/B MOUNT STA 526 RBL 35". UPON FURTHER EVApr 23, 2021 · N1489A · Boeing 76731K · Fuselage Miscellaneous StructureSDR UIEA2021041400889Floorbeam · corrodedFWD CARGO LOWER DOOR CUTOUT FLOOR BEAM T-CHORD CORROSION AT STA 560+17(<P>REMOVED CORROSION AT FWD CARGO FLOOR BEAM T-CHORD STA 560+17. ORIG. MAT. .100 REMAINING MAT. .060 FOUND TO BE OUT OF LIMITS. REMOVED,LOCATED,DRILLED, AND INSTALLED NEW FLOOR BEAM T-CHORDApr 23, 2021 · N1489A · Boeing 76731K · Fuselage Main, Floor BeamSDR UIEA2021041400893Support · corrodedKEEL BEAM STA 852 BL0 APPROX PANEL SUPPORT CORRODED(<P>REMOVED CORROSION FROM KEEL BEAM PANEL SUPPORT AT STA 852. FOUND 100% MAT. LOSS IS OUT OF LIMITS. REMOVED AND REPLACED PANEL SUPPORT PN:145T8629-2 PO:FS2103139 IAW B767 SRM 51-40-02,53-30-12,51-40-05,51-20Apr 23, 2021 · N1489A · Boeing 76731K · Fuselage Miscellaneous StructureSDR UIEA2021041400897Support · corrodedKEEL BEAM STA 820 BL0 APPROX PANEL SUPPORT CORRODED(<P>REMOVED CORROSION FROM KEEL BEAM PANEL SUPPORT AT STA 820. ORIG. MAT. WAS .100 REMAINING MAT. IS .056 FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED PANEL SUPPORT PN:145T8629-2 PO:FS2103139 IAW B767 SRM 5Apr 23, 2021 · N1489A · Boeing 76731K · Fuselage Miscellaneous StructureSDR UIEA2021041500905Panel · corrodedLH WING #1 SLAT LOWER COVE PANEL HAS AREA OF CORROSION JUST I/B OF O/B AUX TRACK(<P>REMOVED CORROSION ON LH WING #1 SLAT LOWER COVE PANEL JUST I/B OF O/B AUX TRACK. ORIG. MAT. WAS .050 REMAINING MAT. IS .031 IS OUT OF LIMITS IAW B767 SRM 57-43-01-1A-01. FABRICApr 23, 2021 · N1489A · Boeing 76731K · Wing, Plate/SkinSDR UIEA2021041500908Floorbeam · corrodedFWD CARGO STA 560 RBL44 APPROX FLOOR BEAM T-CHORD CORRODED. REMOVED CORROSION AT FWD CARGO STA 560 RBL44 FLOOR BEAM T-CHORD. ORIG. MAT. WAS .100 REAINING MAT. IS .050 FOUND TO BE OUT OF LIMITS. REMOVED,FABRICATED, AND INSTALLED NEW T-CHORD PN:BAC1506-3123 707Apr 23, 2021 · N1489A · Boeing 76731K · Fuselage Main, Floor BeamSDR UIEA2021041600910Stiffener · corrodedFWD CARGO COMPT. DOOR CUTOUT LOWER SILL BEAM UPPER SURFACE ANGLE ATTACHED TO SILL BEAM HAS 4EA SPOTS OF CORROSION BETWEEN STA 500 AND 588(<P>REMOVED AND REPLACED 4EA STIFFENERS ON FWD CARGO DOOR CUTOUT LOWER SILL BEAM IAW B767 SRM 51-40-02 DUE TO ORIGINAL EVALApr 23, 2021 · N1489A · Boeing 76731K · Fuselage Miscellaneous StructureSDR UIEA2021041600911Floorbeam · corrodedFWD CARGO LOWER DOOR CUTOUT FLOOR BEAM T-CHORD CORROSION AT STA 560+10(<DIV>REMOVED CORROSION AT FWD CARGO STA 560+10 FLOOR BEAM T-CHORD. ORIG. MAT. WAS .100 REMAINING MAT. IS .055 FOUND TO BE OUT OF LIMITS. REMOVED,LOCATED,DRILLED,AND INSTALLED NEW T-CHORD PNApr 23, 2021 · N1489A · Boeing 76731K · Fuselage Main, Floor BeamSDR UIEA2021041600912Support Angle · corrodedFWD CARGO COMT. LOWER SILL BEAM ANGLE SUPPORT FOR CARGO HANDLING HAS EXFOLIATED CORROSION STA 538(<P>REMOVED DAMAGE ON ANGLE SUPPORT AND IT WAS FOUND TO BE OUT OF LIMITS IAW B767 SRM 53-00-15. REPLACED ANGLE SUPPORT IAW B767 SRM 51-40-02. THE MATERIAL LOOSE ONApr 23, 2021 · N1489A · Boeing 76731K · Fuselage Miscellaneous StructureSDR UIEA2021041600914Beam · corrodedFWD CARGO COMPT. DOOR CUTOUT LOWER SILL BEAM FLOOR SUPPORT ATTACH TO SILL BEAM HAS CORROSION ON UPPER SURFACE AT STA 610(<P>REMOVED CORROSION AT LOWER SILL BEAM STA 610. ORIG. MAT. WAS .100 REMAINING MAT. IS .074 FOUND TO BE OUT OF LIMITS. REMOVE, FABRICATED, Apr 23, 2021 · N1489A · Boeing 76731K · Fuselage Main, Structure
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