Boeing 737-990ER

Service difficulty reports · 10,323

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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 aircraft_model_key = '737990ER'
  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 ASAA2026032965212Door · no discrepancyFA REPORTS L1 DOOR IS HARD TO CLOSE. GROUNDED - YES. FLIGHT ATTENDANT REPORTED THAT IT WAS HARD TO LATCH. OPENING AND CLOSING REPORTED NORMAL THRU FULL MOTION. C/W FWD DOOR ENTRY TEST REF AMM TASK 52-11-00. CLOSED DOOR 3 TIMES ALL WITHIN LIMITS AND IS OKAY FORMar 29, 2026 · N459AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026032965182Gust Lock · faultedL1 DOOR DIFFICULT TO OPEN/CLOSE & GUST LOCK NOT WORKING. GROUNDED - YES. INSPECTED L1 DOOR IAW AMM 52-11-00. FOUND GUST LOCK NOT ENGAGING, OPENED AND CLOSED DOOR IAW AMM 52-11-00. OPS CHECK GOOD. NO OTHER DEFECTS NOTED. SEAMC PETER NOTIFIED.Mar 29, 2026 · N461AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026032865173Light · intermittentFA REPORT RAW 27 EMERGENCY LIGHT INTERMITANTLY GOING OFF/ON STAYED OFF DURING FLIGHT. GROUNDED - YES. RECYCLE AND DOWNLOAD PHASE 2 DATA, ALL CABIN LIGHT WORK NORMAL, NO DEFECT FOUND, REF AMM 33-20-00.Mar 28, 2026 · N457AS · Boeing 737990ER · Emergency LightingSDR ASAA2026032665136Gust Lock · stuckL1 DOOR GUST LOCK STUCK IN OPEN POSITION. GROUNDED - YES. L1 DOOR GUST LOCK OPS CHECK NORMAL PER AMM 52-11-00-200-801.Mar 26, 2026 · N478AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026032465152Power Supply · inoperativeMAIN CABIN, EMERGENCY ESCAPE LIGHT ABOVE SEAT ROW 27 LH SIDE INOPERATIVE. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PUR SUPPLY ABOVE SEAT ROW 27 L/H SIDE IAW B737NG AMM 33-51-06-960-806. OPS CHK GOOD. (S/N 40688)Mar 24, 2026 · N419AS · Boeing 737990ER · Emergency LightingSDR ASAA2026031865257Support · corrodedFWD CARGO BULKHEAD LOWER SUPPORT AT BS 520 CORRODED. GROUNDED - YES. REMOVED AND REPLACED THE FWD CARGO AFT BULKHEAD LWR SUPPORT AT BS 520 IAW SRM 51-40-02-0G-0.Mar 18, 2026 · N282AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026031864996Skin · damagedLIGNTNING STRIKE TO FUSELAGE SKIN AND PRODUCTION FASTENER AT STA 500I 1" ABOVE STR 27L. GROUNDED - YES. REMOVED AND REPAIRED LIGHTNING STRIKE DAMAGE AT STA 500I 1" ABOVE STR 27L IAW ASA EA 900ER-53EA-30039 REV 00 THIS REPAIR IS CATEGORY B WITH STAGE 1 (STATIC Mar 18, 2026 · N492AS · Boeing 737990ER · Fuselage Main, Plate/SkinSDR CALA2026032414797Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2335 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY S/N 154051 AT M2335 IAW B737NG AMM 33-51-06-960-806. OPS TEST GOOD.Mar 17, 2026 · N280AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031765024Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2335 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY S/N 154051 AT M2335 IAW B737NG AMM 33-51-06-960-806. OPS TEST GOOD.Mar 17, 2026 · N280AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031765023Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2816 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY S/N 154516 AT M2816 IAW B737NG AMM 33-51-06-960-806. OPS TEST GOOD.Mar 17, 2026 · N280AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031765022Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1672 ARE INOP. GROUNDED - YES. POWER SUPPLY M1672 S/N 154352 REMOVED AND REPLACED IAW B737 AMM 33-51-06-960-806. OPS CHECK GOOD.Mar 17, 2026 · N280AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031765021Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY S/N 154080 AT M1676 IAW B737NG AMM 33-51-06-960-806 OPS TEST GOOD.Mar 17, 2026 · N280AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031765020Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2626 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY S/N 154419 AT M2626 IAW B737NG AMM 33-51-06-960-806. OPS TEST GOOD.Mar 17, 2026 · N280AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031664965Not Reported · faultedRAMP REPORTED L1 DOOR NOT ABLE TO OPEN. GROUNDED - YES. FOUND AIRCRAFT SLIGHTLY PRESSURIZED, SHUT DOWN APU, BLED CABIN PRESSURE OFF, L1 DOOR OPEN AS NORMAL IAW AMM 49-11-00, OUTFLOW VALVE WAS FOUND SHUT. APU OPERATES NORMALLY.Mar 16, 2026 · N448AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2026031364879Power Supply · inoperativeEMERGENCY EXIT LITS INOP AT ROW 1D, 29D, 25D. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY ASSY IAW B737-900 AMM TASK 33-51-06-960-806. OPS TEST GOOD.Mar 13, 2026 · N294AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031064883Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1676. PN#D717-02-001 PERFORMED INSTALLATION TEST. TEST PASSED NO DEFECTS NOTED IAW B737-900 AMM 33-51-06-960-806.Mar 10, 2026 · N281AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031064882Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M2627. PN#D717-02-001 PERFORMED INSTALLATION TEST. TEST PASSED NO DEFECTS NOTED IAW B737-900 AMM 33-51-06-960-806.Mar 10, 2026 · N281AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031064881Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1672 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1672 PN# D717-02-001 PERFORMED INSTALLATION TEST . TEST PASSED. NO DEFECT NOTED IAW B737-900 AMM 33-51-06-960-806.Mar 10, 2026 · N281AK · Boeing 737990ER · Emergency LightingSDR ASAA2026031064880Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1695 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1695 PN# D717-02-001. PERFORMED INSTALLATION TEST. TEST PASSED NO DEFECTS NOTED IAW B737-900 AMM 33-51-06-960-806.Mar 10, 2026 · N281AK · Boeing 737990ER · Emergency LightingSDR ASAA2026030764807Power Supply · no testEMERGENCY LIGHT AT AFT LH OVERWING DOOR FAIL THE TEST. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK (M1670 AT L/H SEAT ROW 22 AND PERFORMED OPS CHECK TEST GOOD IAW B737 NG AMM 33-51-06-960-805 SRXR430X.Mar 7, 2026 · N253AK · Boeing 737990ER · Emergency LightingSDR ASAA2026030565017Skin · damagedFUSELAGE SKIN UNDER PANEL 191D @ STA 500K HAS LIGHTENING STRIKE. GROUNDED - YES. EVALUATED DAMAGE TO FUSELAGE SKIN AT STA 500K (UNDER PANEL191D) @ STR 28L. FOUND TO BE OUT OF LIMITS DUE TO HOLE DIAMETER & PROXIMITY TO DRAIN PLUG HOLE. GENERATED RFTS. REPAIRED Mar 5, 2026 · N492AS · Boeing 737990ER · Fuselage Main, Plate/SkinSDR ASAA2026030564995Skin · damagedLIGHTNING STRIKE TO FUSELAGE SKIN AT STA 500E+8" AT STR 28L. GROUNDED - YES. REMOVED AND REPAIRED LIGHTNING STRIKE DAMAGE AT STA 500E + 8" AT STR 28L IAW ASA EA 900ER-53EA-30036 REV 00 THIS REPAIR IS CATEGORY B WITH STAGE 1 APPROVAL STAGE 2 APPROVAL IS REQUIREMar 5, 2026 · N492AS · Boeing 737990ER · Fuselage Main, Plate/SkinSDR ASAA2026030464793Battery Pack · dischargedEMERGENCY LIGHTS OUT ON THE FOLLOWING: R/H OVERWING EXIT, ROWS 8L, 11L, CABIN CEILING EXIT LIGHT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY S/N 411270 AT ROW 7LH, OPS CHECK GOOD IAW B737-900 AMM 33-51-06-960-805.Mar 4, 2026 · N494AS · Boeing 737990ER · Emergency LightingSDR ASAA2026030364712Door · bindingFA REPORTS L1 DOOR IS DIFFICULT TO CLOSE. GROUNDED - YES. CLOSED L1 DOOR WITH INTERIOR HANDLE IAW AMM 52-11-00 NO DISCREPANCY NOTED SYSTEM OP CKS NORMAL.Mar 3, 2026 · N402AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026030265109Door · lack of lubeMAINTENANCE CONTROL/TECH SERVICES REQUEST: FOLLOW UP TO L2 DOOR HARD TO CLOSE. GROUNDED - YES. (RESOLVED ON W/O: 2086506 TASKCARD: N/R-00005 ) NO FAULTS FOUND; LUBRICATED L2 DOOR IAW B737-900ER AMM 12-25-12-640-801 STEP 2.F.Mar 2, 2026 · N247AK · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026030164672Door · lack of lubeDURING BOARDING, CATERING, DISCOVERED L-2 DOOR WONT CLOSE PAST APROX 1/3 OPEN. GROUNDED - YES. LUBRICATED L2 DOOR IAW AMM 12-25-12-640-801. DOOR CLOSES NORMALLY IAW AMM 52-13-00-860-804. SEAMC JEFF NOTIFIED.Mar 1, 2026 · N247AK · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026022665149Skate Angle · crackedCENTER WING AFT SPAR VAPOR BARRIER SKATE ANGLE CRACKED AT BS661.95 LBL+9. GROUNDED - YES. REPAIRED VAPOR BARRIER SKATE ANGLE AT BS661.95 LBL+9. IAW B737-900ER SRM 57-1010-2R-5 REPAIR 5 AND BAC DWG #111A1000 REV:A.Feb 26, 2026 · N280AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022665110Angle · crackedCENTER AFT SPAR VAPOR BARRIER SKATE ANGLE CRACKED AT BS 661.95 RBL+9. GROUNDED - YES. REPAIRED UPPER BARRIER SKATE ANGLE AT BS 661.95 RBL+9. IAW SRM 57-10-10-2R-5, REPAIR 5, AND DWG 111A1000, REV A.Feb 26, 2026 · N280AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022664788Shield · corrodedAFT PIT RH SIDE DOOR CUTOUT SHIELD PANEL HAS POSSIBLE CORROSION IN (5EA) SCREW HOLES AND UNDER NUTPLATES AT BETWEEN STA 787 TO 767 CIRCLES IN RED. GROUNDED - YES. REMOVED AND INSTALLED A NEW SHIELD PANEL AT AFT PIT R/H SIDE DOOR CUTOUT APROX STA 787 TO 767 IAWFeb 26, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022564789Web · corrodedAFT CARGO DOOR CUTOUT, FORWARD LOWER CORNER ATTACH INTERCOSTAL CORRODED. BS788. GROUNDED - YES. REMOVED AND INSTALLED A NEW LOWER CORNER ATTACH INTERCOSTAL OF AFT CARGO DOOR CUTOUT BS788 IAW B737-900 SRM 51-40-01 AND B737-900 SRM 51-40-05 AND BAC DWG#146A8320 Feb 25, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022465016Floorbeam · corrodedAFT WET AREA BS1016 RBL 30 FLOOR STRUCTURE CORRODED. A(K352). GROUNDED - YES. REMOVED CORROSION IAW SRM 53-70-51-1A-1. ORIG MAT .150, REMAINING MAT .070. MAT LOSS OF .080 IS BEYOND ALLOWABLE LIMITS. REPAIRED AREA IAW EA 900ER-53EA-30025 REV 00. THIS IS A CATEGFeb 24, 2026 · N428AS · Boeing 737990ER · Fuselage Main, Floor BeamSDR ASAA2026022364512Lamp · inoperativeDURING PDC DISCOVERED LOWER EXIT SIGN LAMP AT ROW 17DEF BROKEN. GROUNDED - YES. REMOVED AND REPLACED LOWER EXIT SIGN LAMP IAW AMM 33-51-01. OPS CHECK GOOD. OK FOR SERVICE.Feb 23, 2026 · N407AS · Boeing 737990ER · Emergency LightingSDR ASAA2026022064885Skate Angle · crackedCENTER WING AFT SPAR VAPOR BARRIER SKATE ANGLE CRACKED AT BS.661.96 LBL+9. GROUNDED - YES. REPAIRED CENTER WING AFT SPAR VAPOR BARRIER SKATE ANGLE AT BS 661.96 LBL+9 IAW B737-900ER SRM 57-10-10-2R-5 REPAIR 5.Feb 20, 2026 · N281AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022064884Skate Angle · crackedCENTER WING AFT SPAR VAPOR BARRIER SKATE ANGLE CRACKED AT BS.661.96 RBL +9. GROUNDED - YES. REPAIRED CENTER WING AFT SPAR VAPOR BARRIER SKATE ANGLE AT BS 661.96 RBL+9 IAW B737-900ER SRM 57-10-10-2R-5 REPAIR 5.Feb 20, 2026 · N281AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964814Support Angle · corrodedLAV SUPPORT ANGLE AT STA 917 LBL54 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION-ORIGINAL THICKNESS .150, REMOVED .110, REMAINING IS .040 AND REQUIRES REPLACEMENT DUE TO NO LIMITS GIVEN IN THE SRM. REMOVED AND REPLACED INTERCOSTAL P/N 147A5690U8 PO#1141724.Feb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964792Transition Panel · corrodedAFT CARGO LH TRANSITION PANEL HAS CORROSION BETWEEN STATIONS 727I TO FWD BULKHEAD. GROUNDED - YES. REMOVED CORROSION BETWEEN STA. 737I - FWD BULKHEAD. ORIGINAL THICKNESS .040 MAT LOSS AT GREATEST POINTS .007, AT LOWEST POINT REMAINING THICKNESS AT .033 AREAS OFeb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964791Transition Panel · corrodedAFT CARGO RH TRANSITION PANEL HAS CORROSION BETWEEN STATIONS 727I TO FWD BULKHEAD. GROUNDED - YES. REMOVED CORROSION BETWEEN 727I - FWD BULKHEAD. ORIG. THICKNESS .040, MAT LOSS AT GREATEST .008, NEW THICKNESS AT LOWEST .032. AREAS OUT OF LIMITS PER B737-900 SRFeb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2026021964790Transition Panel · corrodedAFT CARGO RH TRANSITION PANEL HAS CORROSION BETWEEN STATIONS 727I - 767. GROUNDED - YES. REMOVED CORROSION BETWEEN STA 727I-767 ORIG THICKNESS .040, MAT LOSS AT GREATEST .010, NEW THICKNESS AT LOWEST .030. AREAS OUT OF LIMITS PER B737-900 SRM 53-00-53-1A-1 FABFeb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964787Web · corrodedAFT CARGO DOOR CUTOUT SILL AREA HAS A FEW SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION . ORIGNAL THICKNESS .045 PER B737-900 SRM 53-60-15. MAT LOSS .008 AT LOWEST, NEW THICKNESS .037 AT LOWEST. AREA OUT OF LIMITS. LOCATED, DRILLED AND INSTALLED P#146AFeb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964786Transition Panel · corrodedAFT CARGO LH TRANSITION PANEL HAS CORROSION BETWEEN STATIONS 727I-847. GROUNDED - YES. REMOVED CORROSION BETWEEN STA 727I-847, ORIG THICKNESS .040, MAT LOSS AT GREATEST .013, NEW THICKNESS AT LOWEST POINTS .027 MULTIPLE AREAS OUT OF LIMITS PER B737-900 SRM 53-Feb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964785Transition Panel · corrodedFWD CARGO LH TRANSITION PANEL HAS A PUNCTURE BETWEEN STA. 500-500A. GROUNDED - YES. REMOVED CORROSION ORIGINAL THICKNESS .040. MAT LOSS 100% AT PUNCTURE FABBED AND INSTALLED REPAIR PER B737-900 SRM 53-00-53-2R-5.Feb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964784Web · corrodedRH WEB STA 987-1006 RBL 26-46 HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION IAW B737-900 SRM 51-10-02-0G-0. ORIGINAL THICKNESS .080 IAW BAC DWG #147A5116 REV- REMAINING THICKNESS IS .050 TOOL #T8224B DUE 03DEC26. .030 MAT LOSS. REMOVED AND REPLACEDFeb 19, 2026 · N428AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021964499Pin · shearedFA REPORTS L1 DOOR NOT OPENING PROPERLY DOOR DOESNT OPEN ALL THE WAY. GROUNDED - YES. UPON L1 DOOR INSPECTION FOUND L1 DOOR TOP GUIDE ARM PIN BOTTOM SECURING SCREW HEAD SHEARED OFF CAUSING DOOR OPS ISSUE. R & R PIN ASSEMBLY IAW AMM 52-11-21 DOOR OPS CHKD GOODFeb 19, 2026 · N471AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026021864439Bumper · debondedL2 DOOR BINDS WHEN OPENING. GROUNDED - YES. REBONDED L2 DOOR BUMPER IAW B737 AMM 52-13-51-400-802 SRXR430X.Feb 18, 2026 · N260AK · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026021864425Bumper · misinstalledL2 DOOR BINDS WHEN OPENING. GROUNDED - YES. CORRECTLY INSTALLED L-2 DOOR BUMPER IN REF TO AMM 52-13-15-400-802. NO BINDING NOTED. SRXR430X.Feb 18, 2026 · N260AK · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2026021464413Baffle · crackedFWD PIT R/H BAFFLE CORRODED AND HAS ELONGATED HOLE BETWEEN STATIONS 500F AND 500G. GROUNDED - YES. INTERCOSTAL FOUND TO BE CRACKED IAW B737-900 SRM 53-00-53-1A-2. DEEMED TO BE OUT OF LIMITS RH STA 500F - 500G NO CRACKS PERMITTED DETAIL D VIEW A-A. REMOVED DAMAFeb 14, 2026 · N251AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026021464341Light Sys · malfunctionedCABIN EMERGENCY LIGHTS ARE COMING ON WHEN GROUND SOURCE SWITCH HELD AND GROUND POWER/ BATTERY TURNED OFF. GROUNDED - YES. COULD NOT DUPLICATE EMERGENCY EXIT LIGHT SYSTEM OPERATES NORMALLY NO DEFECTS NOTED.Feb 14, 2026 · N459AS · Boeing 737990ER · Emergency LightingSDR ASAA2026021364445Transition Panel · corrodedWHILE GAINING ACCESS TO REPLACE BONDED NUTPLATES AT STA 500J; FOUND R/H TRANSITION PANEL CORRODED FROM STATIONS 500H TO 500L RBL 25. GROUNDED - YES. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 ORIGINAL THICKNESS .040, MATERIAL REMOVEDFeb 13, 2026 · N251AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022364444Intercostal · corrodedWHILE GAINING ACCESS TO REPLACE BONDED NUTPLATES AT BS 500J, FOUND RT BAFFLE CORRODED BETWEEN BS 500I - 500J. GROUNDED - YES. REMOVED CORROSION BETWEEN BS 500I - 500J, RT BAFFLE, ORIGINAL MATERIAL 0.020", REMOVED 0.020", L=0.500", W=0.500" FOUND TO BE OUT OFeb 13, 2026 · N251AK · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2026022364443Support Angle · corrodedFWD CARGO AFT BULKHEAD BS 500L RT SIDEWALL SUPPORT ANGLE CORRODED AT RBL 25. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMIT. FOUND TO BE OUT OF LIMITS IAW SRM 53-30-08. BLEND OUT EXCEEDED MINIMUM OF .056 SPECIFIED IAW SRM 53-30-08, FIG 103, DETAIL C, Feb 13, 2026 · N251AK · Boeing 737990ER · Fuselage Miscellaneous Structure
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