Service difficulty reports

1,771,708 reports of malfunctions and defects, newest first. Air carriers must report; general aviation reporting is voluntary.

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'
  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 DALA2026051102939Stringer · corrodedLEVEL 2 CORRSION, STRINGER 43L BTW FR 56 TO FR 58 IN AFT CARGO COMPARTMENT (SSI 534107). REPLACED STRINGER 43L BTW FR 54 TO FR 60 IN AFT CARGO COMPARTMENT AS PER 320 SRM 51-72-11, A320 SRM 51-42-11 AND DWG D53470345ISSUE: W, RELEASE DATE: 02-NOV-98 AND DWG D5May 11, 2026 · N341NW · Airbus A320212 · Fuselage Main, Longeron/StringerSDR SWAA2026061597319Stringer Clip · crackedBS 727C STRINGER CLIP 6L UPPER SURFACE CRACKED. REMOVED AND REPLACED STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1103; REV- .May 10, 2026 · N925WN · Boeing 7377H4 · Fuselage Main, Attach FittingsSDR SWAA2026061597320Stringer Clip · crackedBS 727C STRINGER CLIP 7L UPPER CORNER CRACKED. REMOVED AND REPLACED STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1103; REV-.May 10, 2026 · N925WN · Boeing 7377H4 · Fuselage Main, Attach FittingsSDR SWAA2026061597321Stringer Clip · crackedBS 727C STRINGER CLIP 5R CRACKED. REMOVED AND REPLACED STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1103; REV- .May 10, 2026 · N925WN · Boeing 7377H4 · Fuselage Main, Attach FittingsSDR SWAA2026061597322Stringer Clip · crackedBS 727C STRINGER CLIP 6R UPPER SURFACE CRACKED. REMOVED AND REPLACED STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1103; REV-.May 10, 2026 · N925WN · Boeing 7377H4 · Fuselage Main, Attach FittingsSDR SWAA2026061597318Stringer Clip · crackedSTA 727C STR CLIP 5L UPPER CORNER CRACKED. MARKED.<[01] REMOVED AND REPLACED STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1103; REV- DATED:09/15/01;[02] VERIFIED ACTION 1 COMPLETE.May 10, 2026 · N925WN · Boeing 7377H4 · Fuselage Main, Attach FittingsSDR IPXA2026062915824Fan Cowl · dentedRIGHT ENGINE OTBD FAN COWL OUTER SKIN TWO DENTS AT 1 O'CLOCK POSITION IAW AMM 71-11-04-714-002-H00, REV 148, INSTALLED THE FAN COWL OF NR 2 ENGINE. CONDITION CHECKED IS SATISFACTORY.May 10, 2026 · N304UP · Boeing 76734AF · Nacelle/Pylon, Plate/SkinSDR SWIA2026051076387Hinge · gougedPAX DOOR PIANO HINGE FUSELAGE SIDE AFT LUG LANDING HAS GOUGE FROM DOOR HINGE ROLL PIN (C-CHECK RO 07/01/2026)REMOVED AND REPLACED WITH NEW PASSENGER DOOR PIANO TYPE HINGE ON FUSELAGE SIDE P/N SH670-31876-13. REF CRJ 700 SRM 52-11-01-201-002-A01 AND COMPLIED May 10, 2026 · N770SK · Cndair CL6002C10 · Fuselage, Door HingeSDR VNAA202606300005Angle · crackedIN REF TO JOB CARD 600-13E1-JIC DURING INSPECTION: CRACK ON ANGLE OF MID INTERCOSTAL OF SETTLEMENT AREA OF ACCESS PANEL 642AZ AT RH MLG WHEEL WELL. ANGLE OF MID INTERCOSTAL OF SETTLEMENT AREA OF ACCESS PANEL 642AZ AT RH MLG WHEEL WELL. WAS REPLACED PER CRJ700May 10, 2026 · N530EA · Cndair CL6002C10 · Wing Miscellaneous StructureSDR VNAA202606300004Angle · crackedIN REF TO JOB CARD 500-13E1-JIC DURING INSPECTION: CRACK ON ANGLE OF MID INTERCOSTAL OF SETTLEMENT AREA OF ACCESS PANEL 542AZ AT LH MLG WHEEL WELL. ANGLE OF MID INTERCOSTAL OF SETTLEMENT AREA OF ACCESS PANEL 542AZ AT LT MLG WHEEL WELL. WAS REPLACED IAW SRM 51May 10, 2026 · N530EA · Cndair CL6002C10 · Fuselage Miscellaneous StructureSDR VNAA202606300003Shield · chafedRIGHT CORE COWL FIRE SHIELD CHAFE WITHIN 5335.13 FLIGHT HOURS AFTER SECTION I, ACCOMPLISH A PERMANENT REPAIR AT DISCREPANT AREA IAW APPROVED PROCEDURES OR REPLACE PART. ENGINEERING COMMENTS: EVALUATE SRM 54-23-00-201-005-A01 FOR A PERMANENT REPAIR IF OUT OF LIMay 10, 2026 · N530EA · Cndair CL6002C10 · Nacelle/Pylon, Main FrameSDR VNAA202606300002Skin · damagedFUSELAGE LIGHTNING STRIKE DAMAGE. DAMAGE AROUND FASTENER CSK BY NEXT HEAVY MAINTENANCE VISIT (HMV), PERFORM PERMANENT REPAIR PER SRM 53-00-00-201-003-A03 SECTION 5.C.(4) - PERMANENT DISPOSITION TO FUSELAGE SKIN AROUND THE FASTENER COUNTERSINK FOR DAMAGE DEPTHMay 10, 2026 · N530EA · Cndair CL6002C10 · Fuselage Main, Plate/SkinSDR IPXA2026060519182Nozzle · crackedAIR DUCT OUTLET CRACKED AT STA 1200-1220, LEFT SIDE AFT PIT. INSTALLED AIR DUCT OUTLET FROM STA 1200-1220, LEFT SIDE AFT PIT IAW B757-200 SRM 51-40-02-0G-0May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR SWAA2026061197112Seal · crackedRIGHT HORIZONTAL STAB FWD UPPER SLIDER SEAL IS CRACKED. REMOVED RT STAB TO BODY UPPR FRONT SPAR SLIDING SEAL IAW AMM 53-31-31. INSTALLED SLIDING SEAL FITTING ASSY TO SLIDING SEAL WITH FASTENERS IAW SRM 51-40-02. INSTALLED RT STAB TO BODY UPPR FRONT SPAR SMay 10, 2026 · N8540V · Boeing 7378H4 · Horizontal Stabilizer Miscellaneous StructureSDR SWAA2026061197115Seal · crackedLEFT HORIZONTAL STAB FWD UPPER SLIDER SEAL IS CRACKED. REMOVED LT STAB TO BODY UPPER FRONT SPAR SLIDING SEAL IAW AMM 53-31-31. INSTALLED SLIDING SEAL FITTING ASSY TO SLIDING SEAL WITH FASTENERS IAW SRM 51-40-02. REMOVED LH STAB TO BODY UPPR FRONT SPAR SLIMay 10, 2026 · N8540V · Boeing 7378H4 · Horizontal Stabilizer Miscellaneous StructureSDR IPXA2026052719547Splice Plate · corrodedMAJOR REPAIR, MAIN DECK FLOOR STRUCTURE, SHEAR SPLICE PLATE HAS EXFOLIATED CORROSION, UNDERNEATH PANEL 231XFF FROM BSTA 500 TO BSTA 540 AT LBL 45.5. ACCOMPLISH REPAIR IN ACCORDANCE WITH EO-97569-REQ1 AND VT-MAE EA 757-5330-27-A4496 REV.May 10, 2026 · N423UP · Boeing 75724APF · Fuselage Main, StructureSDR SWAA2026061097197Support Angle · crackedCRACKED CARGO LINER SUPPORT ANGLE ON CEILING AREA, BS 927, RBL 45, IN THE AFT CARGO BAY. REPAIRED THE CARGO LINER SUPPORT ANGLE IAW SRM 51-70-11-2R-0.May 10, 2026 · N7749B · Boeing 7377BD · Fuselage Miscellaneous StructureSDR SWAA2026061097196Web · crackedCRACKED WEB ON CEILING AREA BS 847 - 867, LBL 22 IN THE AFT CARGO BAY. REPLACED THE WEB IAW SRM 51-40-02-0G-0, AND DWG 149A8100, SHEET 1, REV-.May 10, 2026 · N7749B · Boeing 7377BD · Fuselage Miscellaneous StructureSDR SWAA2026061097198Angle · crackedCRACKED ANGLE LOCATED FWD FACE OF FRAME BS 500C, STR 26R FWD CARGO BAY. REPLACED ANGLE LOCATED FWD FACE OF FRAME BS 500C, STR 26R IAW SRM 51-10-02, ITEM 9, SRM 51-40-02-0G-0, AND DWG 143A7505, SHEET 82, REV -.May 10, 2026 · N7749B · Boeing 7377BD · Fuselage Miscellaneous StructureSDR SWAA2026061097199Gusset · crackedCRACKED GUSSET ON BS 500D, STR 19L. FWD CARGO BAY. REPLACED GUSSET & FASTENERS LOCATED ON STA 500D AND STR 19L FWD CARGO BAY IAW SRM 51-40-02-0G-0 AND DWG 143A7902 SHEET: 209 REV-.May 10, 2026 · N7749B · Boeing 7377BD · Fuselage Miscellaneous StructureSDR SWAA2026061097200Gusset · crackedCRACKED GUSSET ON STA 500D AND STR 19R FWD CARGO COMPARTMENT. REPLACED GUSSET AND FASTENERS LOCATED ON BS 500D, STR 19R FWD CARGO COMPARTMENT IAW SRM 51-40-02-0G-0, AND DWG 143A7902, SHEET 209, REV-.May 10, 2026 · N7749B · Boeing 7377BD · Fuselage Miscellaneous StructureSDR IPXA2026051619006Nut Plate · corrodedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, RBL 12.50, ID STICKER NUM. (085-005) ATA 53-20 INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, RBL 12.50. May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, Attach FittingsSDR IPXA2026051619025Nut Plate · corrodedSTR, AFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, RBL 5, ID STICKER NUM. (085-006) ATA 53-20 INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, RBL 5. IAWMay 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, Attach FittingsSDR IPXA2026052419140Nut Plate · corrodedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, LBL 23, ID STICKER NUM. (085-009) ATA 53-20 INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, LBL 23. IAW B7May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, Attach FittingsSDR IPXA2026051619223Nut Plate · corrodedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1710, RBL 51, ID STICKER NUM. (085-011) ATA 53-20 INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1710, RBL 51. IAW B75May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, Attach FittingsSDR IPXA2026060519218Nozzle · crackedAPG, AIR DUCT OUTLET CRACKED AT STA 1240-1260, LEFT SIDE AFT PIT. INSTALLED AIR DUCT OUTLET FROM STA 1240-1260, LEFT SIDE AFT PIT IAW SRM 51-40-02-0G-0.May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026060519227Nozzle · crackedAPG, AIR DUCT OUTLET CRACKED AT STA 1280-1300, LEFT SIDE AFT PIT. INSTALLED AIR DUCT OUTLET FROM STA 1280-1300, LEFT SIDE AFT PIT IAW SRM 51-40-02-0G-0May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026060519159Nozzle · crackedAPG, AIR DUCT OUTLET CRACKED AT STA 1320-1340, LEFT SIDE AFT PIT. INSTALLED AIR DUCT OUTLET FROM STA 1320-1340, LEFT SIDE AFT PIT IAW B757-200 SRM 51-40-02-0G-0May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026060519206Nozzle · crackedAPG AIR DUCT OUTLET CRACKED AT STA 1520-1540, LEFT SIDE AFT PIT. INSTALLED AIR DUCT OUTLET FROM STA 1520-1540, LEFT SIDE AFT PIT IAW B757-200 SRM 51-40-02-0G-0May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026060519208Nozzle · crackedAPG AIR DUCT OUTLET CRACKED AT STA 1480-1500 LEFT SIDE AFT PIT. INSTALLED AIR DUCT OUTLET FROM STA 1480-1500, LEFT SIDE AFT PIT IAW SRM 51-40-02-0G-0May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026060519284Nozzle · crackedAPG AIR DUCT OUTLET CRACKED AT STA 620-640, RIGHT SIDE FORWARD PIT. INSTALLED AIR DUCT OUTLET FROM BS 620-640, RIGHT SIDE FWD PIT IAW SRM 51-40-02-0G-0.May 10, 2026 · N423UP · Boeing 75724APF · Air Distribution SystemSDR REXA2026060800942Seat Track · corrodedCORROSION ON SEAT RAIL BTW FS 349 TO FS 409 9RBL AND FS 370 TO FS 409 LBL9 AT FLOOR PASSENGER CABIN SEAT RAIL BTW FS 349 TO FS 409 9RBL AND FS 370 TO FS 409 LBL9 AT FLOOR PASSENGER CABIN WERE REPLACED PER CRJ 900 SRM 53-00-49-000-801-A07 AND SRM 53-00-49-400-8May 10, 2026 · N909XJ · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2026052414678Bracket · corrodedRIGHT WING TO BODY FARING BRACKET FOUND LIGHT CORRISION AT B.S. 906.5 ES-046. INSTALLED 2 EA WTB FAIRING BRACKETS, P/N: 149N7210-70SAAU AND P/N: 149N7210-76SAAU AT RIGHT WING TO BODY FARING AT B.S. 906.5 IAW B757-200PF SRM 51-40-02-0G-0. AND DWG 149N7210.May 10, 2026 · N412UP · Boeing 75724APF · Aerodynamic FairingsSDR IPXA2026052418871Deck Plate · corrodedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, RBL 23, I INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, RBL 23, IAW B757-200 SRM 51-40-02-OG-0.May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, StructureSDR R61A2026060300152Floorbeam · corrodedCABIN FLOOR CROSSBEAM AT FR 17 HAS CORROSION, REPAIRED CROSSBEAM PER SRM 53-00-10/REPAIR 03P.May 10, 2026 · N415YX · Emb ERJ170200LR · Fuselage Main, Floor BeamSDR IPXA2026060214234Crossbeam · damagedMAIN DECK WING CENTER SECTION FLOOR PANEL 241XBF STA 900 BTW LBL 24.75 AND LBL 45.5 HAS FLOOR PANEL FRAME SUPPORT BROKEN, FLL-003, ATA 53. INSTALLED 01 EA NEW STRAP SUPPORT AT MAIN DECK WING CENTER SECTION STA 900 BTW LBL 24.75 AND LBL 45.5 IN REF SRM 51-40-0May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2026052419117Strap · corrodedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, LBL 12.50. INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, LBL 12.50 IAW SRM 51-40-02-OG-0.May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2026060219107Nut Plate · damagedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, LBL 36.50, INSTALLED NUT PLATE STRAP AT FLOOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, LBL 36.50 IAW B757-200 SRM 51-40-02-OG-0.May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, Attach FittingsSDR IPXA2026060219038Nut Plate · damagedAFT OF BULK CARGO COMPARTMENT FLOOR DECK PLATE, SUPPORT ANGLE ASSY NUT PLATE STRAP HAS CORROSION APPROX AT BS 1715, LBL 5, ID STICKER NUM. (085-007) ATA 53-20. INSTALLED NUT PLATE STRAP AT FLOR DECK PLATE SUPPORT ANGLE ASSY APPROX AT BS 1715, LBL 5 IAW B757-2May 10, 2026 · N412UP · Boeing 75724APF · Fuselage Main, Attach FittingsSDR SWAA2026060197337Angle · crackedCRACK ANGLE TRAILING EDGE ORSS 261 PLUS 18 INCH AT RT WING. REPLACED ANGLE TRAILING EDGE ORSS 261 PLUS 18 INCH AT RT WING IAW SRM 51-10-02-0G-0, ITEM 9, SRM 51-40-02-0G-0, AND DWG 115A6200 SHEET 10, REV -.May 10, 2026 · N477WN · Boeing 7377H4 · Wing Miscellaneous StructureSDR SWAA2026060197338Angle · crackedCRACK ANGLE TRAILING EDGE ORSS 261 PLUS 10 INCH RT WING. REPLACED ANGLE TRAILING EDGE ORSS 261 PLUS 10 INCH RT WING IAW SRM 51-10-02-0G-0, ITEM 9, SRM 51-40-02-0G-0, AND DWG 115A2930 SHEET 8, REV- .May 10, 2026 · N477WN · Boeing 7377H4 · Wing Miscellaneous StructureSDR SWAA2026060197188Plate · crackedCRACK CORRUGATED PLATE TRAILING EDGE IRSS 199 PLUS 16 INCH AT LT WING. REPLACED CORRUGATED PLATE TRAILING EDGE IRSS 199 PLUS 16 INCH AT LT WING IAW SRM 51-40-02-0G-0 AND DWG 115A2001; SHEET 30; REV.A.May 10, 2026 · N477WN · Boeing 7377H4 · Wing Miscellaneous StructureSDR SWAA2026060197190Angle · crackedCRACK ANGLE TRAILING EDGE ORSS 261 PLU 18 INCH LT WING. REPLACED ANGLE AND FASTENERS TRAILING EDGE ORSS 261 PLU 18 INCH LT WING IAW SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 15A6200 SHEET 10 REV. -.May 10, 2026 · N477WN · Boeing 7377H4 · Wing Miscellaneous StructureSDR SWAA2026060197191Angle · crackedCRACK ANGLE TRAILING EDGE ORSS 261 PLUS 10 INCH LT WING. REPLACED ANGLE TRAILING EDGE ORSS 261 PLUS 10 INCH LT WING IAW SRM 51-40-02 AND DWG 115A2930 SHEET 7 REV. - DUE TO NOT FOUND ALOWABLE DAMAGE ON SRM 57-51-02R.May 10, 2026 · N477WN · Boeing 7377H4 · Wing Miscellaneous StructureSDR SWAA2026060197189Support Bracket · crackedCRACK SUPPORT BRACKET TRAILING EDGE ORSS 261 PLUS 10 INCH AT LT WING. REPLACED SUPPORT BRACKET AND FASTENERS ON TRAILING EDGE ORSS 261 PLUS 10 INCH AT LT WING I.A.W B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02.<BR>MEASURE OF CRACK IS: 0.650 INCHES.May 10, 2026 · N477WN · Boeing 7377H4 · Wing Miscellaneous StructureSDR SWAA2026060103789Fitting · crackedREMOVE AND REPLACE SLAT NR 8 DUE TO CRACKED ACTUATOR FITTING. REPLACED LEADING EDGE SLAT 8 AT RT WING IAW AMM 27-81-21-401. TESTED OK.May 10, 2026 · N477WN · Boeing 7377H4 · Wing, Attach FittingsSDR SWAA2026060197339Plate · crackedCRACK CORRUGATED PLATE TRAILING EDGE IRSS 199 PLUS 30 INCH RT WING. REPLACED ACCESS PANEL 651CT AND FASTENERS LOCATED ON TRAILING EDGE RT WING IAW SRM 51-40-02 AND DRAWING 115A2001 SHEET 30 REV A.May 10, 2026 · N477WN · Boeing 7377H4 · Wing Main, Frame StructureSDR CALA2026052916622Crease Beam · damagedFOUND CREASE BEAM WEB BETWEEN STA 927 AND 947.5 AT WL208.1 WITH OUT OF ROUND HOLES. REMOVED AND REPLACED CREASE BEAM WEB IAW SRM 51-40-02-0G-0 AND DWG 147A8501 REV B.May 10, 2026 · N37255 · Boeing 737824 · Fuselage Main, StructureSDR AALA202605280659Latch · displacedAIRCRAFT IN BASE MAINTENANCE: R2 DOOR .ESCAPE SLIDE GIRT BAR SPRING LATCH NYLON OUTER PROTECTIVE SLEEVE DISPLACED. REPLACED GIRT BAR SPRING LATCH PER JOB CARD 08C20025031.May 10, 2026 · N801NN · Boeing 737823 · Emergency EquipmentSDR SWAA2026052797180Attach Angle · crackedLEFT VAPOR BARRIER ATTACH ANGLE BS 663 CRACKED AT LBL9 AND 34. REMOVED VAPOR BARRIER LT ANGLE AT BS 663 IAW SRM 51-40-02 AND INSTALLED NEW ATTACH ANGLE L/H VAPOR BARRIER STA.663; IAW B737-800 SRM 51-40-02-0G-O; BOEING DRW 111A1000 REV B AND BOEING DRW 111A100May 10, 2026 · N8541W · Boeing 7378H4 · Fuselage Main, Attach Fittings