# JASC 5740: Wing, Attach Fittings

- Type: JASC system/component code (FAA)
- ATA chapter: 57 Wings
- Title in the code table: WING, ATTACH FITTINGS
- Service difficulty reports: 3,003
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=54
- Page: https://openairdocs.org/jasc/5740

## What it covers

The structure on the wing used for the attachment of fuselage, nacelle or pylon, and landing gear to the wing and for the support of equipment within the wing. Use this code for reports of wing attachments that can not be specifically identified in JASC codes 5741 through 5744. Does not include flight control or landing gear actuator support fittings which should be coded in the appropriate JASC 2700 or 3200 series code.

## Service difficulty reports (3,003, newest 50)

- [SDR FDEA202609231416](https://openairdocs.org/sdr/FDEA202609231416), Sep 23, 2026: Doug MD11F. ATTACH FITTING. CRACKED. LEFT WING- LEADING EDGE COMPARTMENT ATTACH FORMER XOS 939 FOUND CRACK ABOUT 0.6 INCHES. LEFT HAND WING LEADING EDGE COMP (N595FE)
- [SDR HYIA20260923002](https://openairdocs.org/sdr/HYIA20260923002), Sep 21, 2026: Cessna 402C. FITTING. CORRODED. DURING SCHEDULED WING FITTING INSPECTION, A SMALL AREA OF CORROSION WAS VISUALLY IDENTIFIED ON THE LEFT HAND FORWARD UPP (N3249M)
- [SDR IPXA2026092172110](https://openairdocs.org/sdr/IPXA2026092172110), Sep 16, 2026: Boeing 76734AF. BRACKET. CRACKED. CRACKED BRACKET, LT WING INBD SLAT TORQUE TUBE SUPPORT AT INBD L/E CAVITY AT ISS 285.233. REMOVED DAMAGE BRACKET I.A.W S (N355UP)
- [SDR SWAA2026101693391](https://openairdocs.org/sdr/SWAA2026101693391), Sep 9, 2026: Boeing 7378H4. NUT PLATE. CORRODED. CORROSION RAIL NUT PLATES INTERNAL CAVITY LEADING EDGE OFSS 449 LT WING. REPLACED THE RAIL NUT PLATES IAW SRM 51-40-02,  (N8656B)
- [SDR SWAA2026090760777](https://openairdocs.org/sdr/SWAA2026090760777), Sep 2, 2026: Boeing 7377H4. ATTACH ANGLE. CRACKED. RIGHT WING UPPER SHELF PANEL, ATTACH ANGLE CRACKED INBD AND ABOVE NR 2 AFT BOOST PUMP. REMOVED & REPLACED THE ATTACH ANG (N284WN)
- [SDR DALA2026082604845](https://openairdocs.org/sdr/DALA2026082604845), Aug 26, 2026: Airbus A330323. BUSHING. MIGRATED. LEFT RIB 6 FITTING FWD LUG ECCENTRIC PIN BUSHING MIGRATED. CORRECTED IAW ERA 635960-14 REV ORIGINAL. (1777705) AIRCRAFT  (N803NW)
- [SDR SWAA2026092313059](https://openairdocs.org/sdr/SWAA2026092313059), Aug 17, 2026: Boeing 7377H4. NUT PLATE. CRACKED. CRACKED NUT PLATE, OFSS 604, INTERNAL CAVITY LEADING EDGE, RT WING. REPLACED THE NUT PLATE BTWN OSS 362.51 - 384.24. IAW (N259WN)
- [SDR SWAA2026092106314](https://openairdocs.org/sdr/SWAA2026092106314), Aug 17, 2026: Boeing 7377H4. NUT PLATE. CRACKED. CRACKED NUT PLATE, OFSS 404, INTERNAL CAVITY L/E OF LT WING. REPLACED THE NUT PLATE IAW SRM 51-40-02, SRM 51-10-02, ITEM (N259WN)
- [SDR SWAA2026092127237](https://openairdocs.org/sdr/SWAA2026092127237), Aug 17, 2026: Boeing 7377H4. NUT PLATE. CRACKED. CRACKED RAIL NUT PLATE LOC OFSS 570, INTERNAL CAVITY LEADING EDGE OF RT WING. REMOVED THE NUT PLATE IAW SRM 51-40-01 AND (N259WN)
- [SDR SWAA2026092130117](https://openairdocs.org/sdr/SWAA2026092130117), Aug 17, 2026: Boeing 7377H4. NUT PLATE. CRACKED. CRACKED RAIL NUT PLATE, OFSS 491 INTERNAL CAVITY LEADING EDGE IN THE RT WING. REPLACED RAIL NUT PLATE IAW SRM 51-40-02,  (N259WN)
- [SDR SWAA2026092127663](https://openairdocs.org/sdr/SWAA2026092127663), Aug 17, 2026: Boeing 7377H4. NUT PLATE. CRACKED. CRACKED RAIL NUT PLATE, OFSS 588 INTERNAL CAVITY LEADING EDGE AT LT WING. REPLACED RAIL NUT PLATE IAW SRM 51-40-02-0G-0, (N259WN)
- [SDR SWAA2026092109501](https://openairdocs.org/sdr/SWAA2026092109501), Aug 17, 2026: Boeing 7377H4. NUT PLATE. CRACKED. CRACK RAIL NUT PLATE LOC OFSS 449 INTERNAL CAVITY LEADING EDGE AT RT WING. REPLACED THE NUT PLATE IAW SRM 51-10-02, ITEM (N259WN)
- [SDR SWAA2026081997521](https://openairdocs.org/sdr/SWAA2026081997521), Aug 15, 2026: Boeing 7377BD. ATTACH BRACKET. CRACKED. RIGHT WING INBD FIXED T/E PANEL SUPPORT BEAM, FWD ATTACH BRACKET CRACKED. REMOVED AND REPLACED RT WING INBD FIXED T/E PA (N7748A)
- [SDR HYIA20260731001](https://openairdocs.org/sdr/HYIA20260731001), Jul 28, 2026: Cessna 402C. FITTING. CRACKED. DURING SCHEDULED WING FITTING INSPECTION 2 CRACKS WERE VISUALLY IDENTIFIED IN THE LOWER RADIUS OF THE RIGHT SIDE LOWER A (N375R)
- [SDR SWAA2026080334290](https://openairdocs.org/sdr/SWAA2026080334290), Jul 17, 2026: Boeing 7378H4. ATTACH ANGLE. CRACKED. LEFT WING TRAILING EDGE OTBD ATTACH ANGLE AT TRANSVERSE WEB ABOVE NR 1 AFT PYLON TIP CRACKED. REMOVED AND REPLACED LEFT  (N8545V)
- [SDR CALA2026071317731](https://openairdocs.org/sdr/CALA2026071317731), Jul 12, 2026: Boeing 737824. BRACKET. CRACKED. RIGHT WING ABOVE 651GB,FIXTURE PANEL HAS BRACKET CRACKED THAT ATTACHES TO FLAP DEFLECTION FITTING. REMOVED AND REPLACED  (N87507)
- [SDR HNAA2026082400747](https://openairdocs.org/sdr/HNAA2026082400747), Jul 11, 2026: Emb EMB145LR. ATTACH FITTING. CHAFED. F138484 LT WING NR 1 LEADING EDGE INTERNAL INBD ATTACHMENT FLANGE IS CHAFED. REMOVED DAMAGE FROM LT WING NR 1 LEADING ED (N935AE)
- [SDR IPXA2026081116351](https://openairdocs.org/sdr/IPXA2026081116351), Jul 5, 2026: Airbus A300F4622R. BRACKET. CRACKED. LEFT WING, BRACKET WITH CRACK AT FIXED LEADING EDGE (INTERNAL STRUCTURE) INSIDE THE FLAP KRUEGER COMPARTMENT. INSTALLED  (N144UP)
- [SDR SWAA2026072764870](https://openairdocs.org/sdr/SWAA2026072764870), Jul 2, 2026: Boeing 7377H4. ATTACH ANGLE. CRACKED. LEFT WING TRAILING EDGE TRANSVERSE WEB ABOVE #1 PYLON AFT TIP O/B ATTACH ANGLE CRACKED. REMOVED AND REPLACED LEFT WING T (N486WN)
- [SDR FXTA20260628001](https://openairdocs.org/sdr/FXTA20260628001), Jun 28, 2026: Textrn 408. BOLT. LOOSE. FLAP ACTUATOR ATTACHMENT HARDWARE FOUND LOOSE (N409BA)
- [SDR ECPR202606004](https://openairdocs.org/sdr/ECPR202606004), Jun 24, 2026: Piper PA28161. BRACKET. CORRODED. THE RIGHT WING CENTER FLAP HINGE BRACKET WAS FOUND WITH CORROSION PITTING THAT WAS BEYOND REWORK LIMITS NECESSITATING TH (N4445V)
- [SDR AALA202608075316](https://openairdocs.org/sdr/AALA202608075316), Jun 23, 2026: Airbus A319115. ATTACH FITTING. WORN. AIRCRAFT IN BASE MAINTENANCE: LEFT WING INBOARD FLAP NTERCONNECTING STRUT ATTACH FITTING WORN - REPLACED ATTACH FITTING  (N9017P)
- [SDR ECPR20260624001](https://openairdocs.org/sdr/ECPR20260624001), Jun 23, 2026: Piper PA28161. BRACKET. CORRODED. THE LEFT WING CENTER FLAP HINGE BRACKET WAS FOUND WITH CORROSION PITTINING THAT WAS BEYOND REWORK LIMITS NECESSITATINING (N4426)
- [SDR SWAA2026072471735](https://openairdocs.org/sdr/SWAA2026072471735), Jun 20, 2026: Boeing 7378H4. NUT PLATE. CORRODED. CORRODED RAIL NUT PLATE, OFSS 449 RT WING LE. REPLACED RAIL NUT PLATE AND FASTENERS IAW SRM 51-40-02-0G, AND DWG 112A440 (N8650F)
- [SDR IPXA2026061904932](https://openairdocs.org/sdr/IPXA2026061904932), Jun 17, 2026: Boeing 76734AF. BRACKET. CRACKED. CRACKED BRACKET, LT WING L/E INBD PANEL 511KB TORQUE TUBE SUPPORT LES 281. INSTALL NEW BRACKET I.A.W SRM 51-40-02-0G REV (N334UP)
- [SDR 2026F00127](https://openairdocs.org/sdr/2026F00127), Jun 17, 2026: Cessna 560XL. NUT PLATE. CORRODED. LEFT MLG WHEEL WELL HAS 6 NUTPLATES WITH EVIDENCE OF CORROSION LOCATED AROUND 6 NUTPLATES WHERE ACCESS PANEL 512DB ATTAC (N576QS)
- [SDR FDEA202606160765](https://openairdocs.org/sdr/FDEA202606160765), Jun 16, 2026: Boeing 75721B. NOT REPORTED. NOT REPORTED. WRI 57-40-5108 FACTED IN ERROR. EA: F-5740-T0387288 P1. CREATED WRI 5740-5115 FOR SDR OF WRI 5740-5108 BEING FACTED IN E (N934FD)
- [SDR IPXA2026061548249](https://openairdocs.org/sdr/IPXA2026061548249), Jun 13, 2026: Boeing 76734AF. BRACKET. CRACKED. CRACKED BRACKET, RT WING INBD SLAT TORQUE TUBE SUPPORT AT INBD L/E CAVITY, ISS 285.233. INSTALLED NEW BRACKET IAW SRM 51 (N353UP)
- [SDR ABXR2026060400010](https://openairdocs.org/sdr/ABXR2026060400010), Jun 4, 2026: Boeing 76733A. ANGLE. CRACKED. RIGHT WING L/E #9 SLAT AREA INTERNAL ANGLE CRACKED AT LOWER FWD WEB LOWER ANGLE. LES668. FABRICATED NEW ANGLE IAW B767 S (N1997A)
- [SDR IPXA2026061694292](https://openairdocs.org/sdr/IPXA2026061694292), Jun 3, 2026: Airbus A300F4622R. ANGLE. CRACKED. LEFT WING, FIXED L/E, INBD SIDE, INTERNAL STRUCTURE, JUST NEXT TO KRUEGER FLAP COMPARMENT, ANGLE WITH A CRACK 1/2 LONG.  (N161UP)
- [SDR KCSA202606021044](https://openairdocs.org/sdr/KCSA202606021044), Jun 2, 2026: Boeing 7474B5F. ATTACH FITTING. CORRODED. LEFT INBD FOREFLAP INBD CARRIAGE ATTACHMENT FITTING HAS CORROSION. (N712CK)
- [SDR AALA202605286613](https://openairdocs.org/sdr/AALA202605286613), May 28, 2026: Boeing 737823. ATTACH ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE AT STA 663.5 AND LBL 9.  (N973NN)
- [SDR IPXA2026053056047](https://openairdocs.org/sdr/IPXA2026053056047), May 26, 2026: Boeing 76734AF. ATTACH BRACKET. CRACKED. CRACK - BRACKET, L/H WING INBOARD L/E COMPARTMENT. (REPLACE) INSTALLED NEW BRACKET I.A.W SRM 51-40-02-0G REV. 95 AND BOE (N341UP)
- [SDR IPXA2026053056997](https://openairdocs.org/sdr/IPXA2026053056997), May 26, 2026: Boeing 76734AF. ATTACH BRACKET. CRACKED. RIGHT WING INBOARD L/E CAVITY, PANEL RIB ATTACH BRACKET CRACK, ISS 285. (REPLACE) INSTALLED NEW BRACKET I.A.W SRM 51-40- (N341UP)
- [SDR SWAA2026062206215](https://openairdocs.org/sdr/SWAA2026062206215), May 24, 2026: Boeing 7377H4. FITTING. CRACKED. CRACKED LOWER SURFACE AROUND FASTENER ON LEFT WING ACTUATOR FITTING SLAT 4. PERFORMED A PERMANENT REPAIR ON THE NOSE SKI (N951WN)
- [SDR AALA202605222750](https://openairdocs.org/sdr/AALA202605222750), May 17, 2026: Boeing 737823. ATTACH ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPA VAPOR BARRIER ATTACH ANGLE AT BS 663.5 AND RBL 2. RE (N801NN)
- [SDR IPXA2026051880648](https://openairdocs.org/sdr/IPXA2026051880648), May 14, 2026: Boeing 767300. BRACKET. CRACKED. CRACKED BRACKET, RT WING INBD L/E CAVITY TORQUE TUBE SUPPORT BRACKET. REMOVED DAMAGED BRACKET IAW SRM 51-40-02-0G, REV.9 (N371UP)
- [SDR SWAA2026060103789](https://openairdocs.org/sdr/SWAA2026060103789), May 10, 2026: Boeing 7377H4. FITTING. CRACKED. REMOVE AND REPLACE SLAT NR 8 DUE TO CRACKED ACTUATOR FITTING. REPLACED LEADING EDGE SLAT 8 AT RT WING IAW AMM 27-81-21-4 (N477WN)
- [SDR CALA2026051116126](https://openairdocs.org/sdr/CALA2026051116126), May 8, 2026: Boeing 757224. BRACKET. CORRODED. LEFT T/H WHEEL WELL PTU BRACKET HAS EXFOLIATION. REMOVED AND REPLACED BRACKET AT LH WHEEL WELL PTU IAW SRM 51-10-02 AND  (N13113)
- [SDR SWAA2026060195830](https://openairdocs.org/sdr/SWAA2026060195830), May 5, 2026: Boeing 7377H4. FITTING. CRACKED. CRACK LOWER SURFACE OF LEADING EDGE SLAT 8 NOSE SKIN AT ACTUATOR LOC. AROUND FASTENER AT RT WING. SLAT 8 HAS BEEN REPLAC (N477WN)
- [SDR SWAA2026051192311](https://openairdocs.org/sdr/SWAA2026051192311), Apr 23, 2026: Boeing 7378H4. ATTACH ANGLE. CRACKED. RIGHT WING TRAILING EDGE PANEL 651FB FWD ATTACH 'L' ANGLE CRACKED.<[01] REMOVED AND REPLACED RIGHT WING T/E PANEL 651FB  (N8534Z)
- [SDR 2026F00081](https://openairdocs.org/sdr/2026F00081), Apr 23, 2026: Cessna 680CE. NUT PLATE. CORRODED. FOUND 6 AREAS OF CORROSION AROUND NUT PLATES FOR PANEL 652DB, MECHANICALLY REMOVED 6 AREAS OF CORROSION WHERE 6 NUTPLATE (N339QS)
- [SDR 2026FA0000286](https://openairdocs.org/sdr/2026FA0000286), Apr 22, 2026: Cessna 525B. ATTACH PLATE. MISALIGNED. 8 EACH HOLES THROUGH THE YAW PLATE/WING ATTACH FITTING WERE NOT DRILLED PERPENDICULAR TO THE CONTOUR OF THE STRUCTURE CR (N501LL)
- [SDR IPXA2026042563692](https://openairdocs.org/sdr/IPXA2026042563692), Apr 18, 2026: Boeing 76734AF. HINGE. WORN. FOUND NR 8 TAI DOOR AFT HINGE WORN OUT. IAW AMM 57-41-58-434-044, ADJUSTED AND PERFORMED A BONDING TEST OF NR 8 TAI DOOR (N332UP)
- [SDR SWIA2026040976354](https://openairdocs.org/sdr/SWIA2026040976354), Apr 9, 2026: Cndair CL6002B19. FITTING. GOUGED. LEFT WING REAR SPAR AT WS162.49 HAS A FITTING GOUGED & DAMAGED. REMOVED, REPLACED, AND INSTALLED FITTING ON LT WING REAR (N466SW)
- [SDR SWAA2026050587998](https://openairdocs.org/sdr/SWAA2026050587998), Apr 9, 2026: Boeing 7377H4. ATTACH ANGLE. CRACKED. LEFT WING TRAILING EDGE ATTACH ANGLE FOR OTBD END OF TRANSVERSE WEB CRACKED. REMOVED AND REPLACED LEFT WING TRAILING EDG (N928WN)
- [SDR HNAA2026042100321](https://openairdocs.org/sdr/HNAA2026042100321), Apr 8, 2026: Emb EMB145LR. ATTACH FITTING. GOUGED. F111356 LH AILERON DAMPER ATTACHMENT FITTING IS GOUGED 2 EACH. RAR LH AILERON DAMPER ATTACHMENT FITTING IAW EMB 145 SRM  (N905JH)
- [SDR IPXA2026041094730](https://openairdocs.org/sdr/IPXA2026041094730), Apr 8, 2026: Boeing 76734AF. BRACKET. CRACKED. CRACKED TORQUE TUBE SUPPORT BRACKET, RT WING L/E COMPARTMENT ACCESS PANEL 611LB. INSTALL A NEW BRACKET IAW SRM 51-40-02- (N352UP)
- [SDR SWAA2026051187258](https://openairdocs.org/sdr/SWAA2026051187258), Apr 7, 2026: Boeing 7378H4. ATTACH ANGLE. CRACKED. HFEC VERIFIED BS 663 VAPOR BARRIER ATTACH ANGLE CRACKED APPROX. RBL 9. REMOVED ALL FASTENERS ON R/H VERTICAL FLANGE IN R (N8534Z)
- [SDR CALA2026041415343](https://openairdocs.org/sdr/CALA2026041415343), Apr 6, 2026: Boeing 757224. BRACKET. CRACKED. RIGHT WING LOWER ATTACH BRACKET HOLE NO.6 AS MARKED ON AIRCRAFT IS CRACKED REMOVED AND REPLACED BRACKET PER APB DWG 757- (N19136)

All 3,003: https://openairdocs.org/jasc/5740/reports.md

## Other codes in chapter 57

- [JASC 5700](https://openairdocs.org/jasc/5700): Wing Structure (2,401 reports)
- [JASC 5710](https://openairdocs.org/jasc/5710): Wing Main, Frame Structure (4,449 reports)
- [JASC 5711](https://openairdocs.org/jasc/5711): Wing Spar (5,579 reports)
- [JASC 5712](https://openairdocs.org/jasc/5712): Wing, Rib/Bulkhead (6,954 reports)
- [JASC 5713](https://openairdocs.org/jasc/5713): Wing, Longeron/Stringer (2,086 reports)
- [JASC 5714](https://openairdocs.org/jasc/5714): Wing, Center Box (1,451 reports)
- [JASC 5720](https://openairdocs.org/jasc/5720): Wing Miscellaneous Structure (13,614 reports)
- [JASC 5730](https://openairdocs.org/jasc/5730): Wing, Plate/Skin (27,210 reports)
- [JASC 5741](https://openairdocs.org/jasc/5741): Wing, Fuselage Attach Fittings (544 reports)
- [JASC 5742](https://openairdocs.org/jasc/5742): Wing, Nacelle/Pylon Attach Fittings (258 reports)
- [JASC 5743](https://openairdocs.org/jasc/5743): Wing, Landing Gear Attach Fittings (3,097 reports)
- [JASC 5744](https://openairdocs.org/jasc/5744): Wing, Control Surface Attach Fittings (2,713 reports)
- [JASC 5750](https://openairdocs.org/jasc/5750): Wing, Control Surfaces (1,157 reports)
- [JASC 5751](https://openairdocs.org/jasc/5751): Ailerons (5,077 reports)
- [JASC 5752](https://openairdocs.org/jasc/5752): Aileron Tabs (654 reports)
- [JASC 5753](https://openairdocs.org/jasc/5753): Trailing Edge Flaps (31,481 reports)
- [JASC 5754](https://openairdocs.org/jasc/5754): Leading Edge Devices (17,330 reports)
- [JASC 5755](https://openairdocs.org/jasc/5755): Spoilers (4,549 reports)
- [JASC 5797](https://openairdocs.org/jasc/5797): Wing System Wiring (81 reports)

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