# JASC 5753: Trailing Edge Flaps

- Type: JASC system/component code (FAA)
- ATA chapter: 57 Wings
- Title in the code table: TRAILING EDGE FLAPS
- Service difficulty reports: 31,481
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=54
- Page: https://openairdocs.org/jasc/5753

## What it covers

For reports pertaining to the structural aspects of the flap surface mounted on the trailing edge of the wing (includes fore, mid, and aft segments). Does not include the operating mechanism such as the actuators, brackets, hydraulic or electric motors. Typical parts are skin, rib, spar, flap track, roller, flap carriage, bearing, bolt, rivet, etc.

## Service difficulty reports (31,481, newest 50)

- [SDR FDEA202610191605](https://openairdocs.org/sdr/FDEA202610191605), Oct 19, 2026: Boeing 757236. ATTACH ANGLE. DAMAGED. R/H WING INBD T/E FLAP, OUTBD TRACK FAIRING 672HB ATTACH ANGLE HAS ELONGATED HOLES. PERFORMED REPAIR IAW B757-200 SRM 57 (N946FD)
- [SDR FDEA202610191603](https://openairdocs.org/sdr/FDEA202610191603), Oct 19, 2026: Airbus A300B4622R. SKIN. GOUGED. RH WING INNER FLAP UPPER SKIN FOUND 1EA GOUGE BTW RIB4-5 (N745FD)
- [SDR SWAA2026101901367](https://openairdocs.org/sdr/SWAA2026101901367), Oct 14, 2026: Boeing 737752. SUPPORT BRACKET. DELAMINATED. RIGHT WING NR 8 FLAP FWD CANOE FAIRING FWD SUPPORT BRACKET RUBBER BOLT ISOLATOR IS DELAMINATED. REMOVED AND REPLACED R/H (N563WN)
- [SDR DALA2026101505668](https://openairdocs.org/sdr/DALA2026101505668), Oct 14, 2026: Airbus A330941. ROLLER. WORN. RIGHT WING OUTBRD FLAP, OUTBRD UPLOCK ROLLER WORN. REPLACED ROLLER PER A330 AMM 27-54-73. OK FOR SERVICE. (1865718) AIRC (N420DX)
- [SDR DALA2026101505667](https://openairdocs.org/sdr/DALA2026101505667), Oct 14, 2026: Airbus A330941. ROLLER. WORN. SHIP 3420 LEFT WING FLAP. O/B FLAP, O/B END FLAP GUIDE ROLLER IS WORN. CORRECTIVE ACTION: REPLACED ROLLER PER A330 AMM 5 (N420DX)
- [SDR FDEA202610141573](https://openairdocs.org/sdr/FDEA202610141573), Oct 14, 2026: Boeing 777F. SKIN. DENTED. LEFT WING OTBD FLAP LWR SURFACE FOUND DENTED AT 3" TO AFT EDGE AND 195" TO IB EDGE. REPAIRED LH WING OB FLAP LWR SURFACE (N873FD)
- [SDR IPXA2026101442976](https://openairdocs.org/sdr/IPXA2026101442976), Oct 14, 2026: Boeing 76734AF. FLAP SYSTEM. FAULTED. AIR TURN BACK, EMERGENCY DECLARED. AFTER TAKEOFF ON FLAP RETRACTION EICAS MESSAGE LE SLAT ASYMMETRY. FOLLOWED QRH PROCED (N323UP)
- [SDR YENA2026101600981](https://openairdocs.org/sdr/YENA2026101600981), Oct 12, 2026: Airbus A321271NX. SKIN. CORRODED. DURING HEAVY MAINTENACE, DENTS ON LOWER SURFACE OB FLAP TAB EXTERNAL SKIN ON RH WING; (RESOLVED ON W/O: 1492823 TASKCARD (N2105J)
- [SDR FDEA202610121559](https://openairdocs.org/sdr/FDEA202610121559), Oct 12, 2026: Boeing 7572G5. SKIN. CORRODED. LEFT WING INBD FLAP UPPER SURFACE O/B SIDE EXTERNAL SKIN SOME AREA WITH CORROSION. LT WING I/B FLAP UPPER SURFACE O/B SI (N943FD)
- [SDR FDEA202610111552](https://openairdocs.org/sdr/FDEA202610111552), Oct 11, 2026: Boeing 777F. SKIN. DENTED. LEFT WING OTBD FLAP LWR SURFACE FOUND DENT AT 33" AWAY TO IB EDGE AND 19" TO AFT EDGE. REPAIRED LH WING OB FLAP LWR SURF (N873FD)
- [SDR FDEA202610111551](https://openairdocs.org/sdr/FDEA202610111551), Oct 11, 2026: Boeing 777F. SKIN. DENTED. LH WING OB FLAP LWR SURFACE FOUND DENT AT 37" AWAY TO IB EDGE AND 16" TO AFT EDGE. REPAIRED LH WING OB FLAP LWR SURFACE  (N873FD)
- [SDR JR2R20261011638](https://openairdocs.org/sdr/JR2R20261011638), Oct 11, 2026: Emb ERJ170200LR. FITTING. CORRODED. LEFT WING NR 1 FLAP INSIDE TORQUE TUBE ACCESS PANEL 561ET INBD FITTING CORRODED AFT OF NUTPLATE. REPAIRED. (N88359)
- [SDR JR2R20261011673](https://openairdocs.org/sdr/JR2R20261011673), Oct 11, 2026: Emb ERJ170200LR. FITTING. CORRODED. RIGHT WING NR 1 MAIN FLAP INSIDE TORQUE TUBE ACCESS PANEL 661ET, INBD FITTING CORRODED AT SECOND NUTPLATE. REPAIRED. (N88359)
- [SDR UIEA2026100900975](https://openairdocs.org/sdr/UIEA2026100900975), Oct 10, 2026: Boeing 767375. SKIN. CORRODED. CORROSION FOUND ON R/H INBOARD MAIN FLAP LOWER SKIN (DAMAGE SIZE: L=11.2", W=1.7")(<P>REPAIRED THE R/H INBD MAIN FLAP LO (N649GT)
- [SDR UIEA2026100900976](https://openairdocs.org/sdr/UIEA2026100900976), Oct 10, 2026: Boeing 767375. STRUCTURE. CORRODED. CORROSION FOUND ON L/H INBOARD MAIN FLAP LOWER CHORD (DAMAGE SIZE: L=19")(<P>PER BOEING RDR SP1-TLS-26-0037-05B, INSTALL (N649GT)
- [SDR UIEA2026100900977](https://openairdocs.org/sdr/UIEA2026100900977), Oct 10, 2026: Boeing 767375. FLAP. DAMAGED. CORROSION FOUND ON RT INBD MAIN FLAP LOWER CHORD (DAMAGE SIZE: L=12") REMOVED RT INBD MAIN FLAP LOWER CHORD AND REPLACED (N649GT)
- [SDR SWAA2026101218078](https://openairdocs.org/sdr/SWAA2026101218078), Oct 8, 2026: Boeing 7377H4. SKIN. DELAMINATED. LEFT WING INBD AFT FLAP HAS DELAMINATED 20 INCH FROM INBD EDGE AND 4" FROM T/E ON THE LOWER SIDE. 4.1" X 3.8". 01. REMOV (N468WN)
- [SDR SWAA2026101239768](https://openairdocs.org/sdr/SWAA2026101239768), Oct 7, 2026: Boeing 7378H4. SKIN. DELAMINATED. RIGHT OTBD T/E FLAP LOWER SKIN DELAMINATED, APPROX 26 1/4 INBD FROM INBD EDGE & 7 1/4 FROM T/E. R & R IAW AMM 27-51-22-4 (N8568Z)
- [SDR UIEA2026100500953](https://openairdocs.org/sdr/UIEA2026100500953), Oct 7, 2026: Boeing 74745EF. BEARING. MIGRATED. RT WING T/E FLAP TRACK #6 FITTING SUSPECT MIGRATION. RT WING T/E FLAP TRACK #6 FWD FITTING BEARING REMOVED AND INSTALLED (N486MC)
- [SDR DALA2026100705545](https://openairdocs.org/sdr/DALA2026100705545), Oct 6, 2026: Boeing 717200. FLAP. DAMAGED. FOUND DAMAGE ON LEFT TRAILING EDGE FLAP, INSTALLED PERMANENT REPAIR PER B717 SRM 57-00-01-02A. (9483579) (AIRCRAFT GROUN (N938AT)
- [SDR DALA2026100605530](https://openairdocs.org/sdr/DALA2026100605530), Oct 5, 2026: Boeing 717200. SKIN. DENTED. SEVERAL DENTS ON LOWER SKIN OF RT AFT MOVABLE VANE WAS FOUND AT RT WING. AREA AT RT AFT MOVABLE VANE RT WING WAS REPAIRE (N978AT)
- [SDR FDEA202610031471](https://openairdocs.org/sdr/FDEA202610031471), Oct 3, 2026: Boeing 767300. SKIN. DAMAGED. R/H WING, INBD AFT FLAP LOWER SURFCE HAS IMPACT DAMAGE LOCATED APPOX. 42" FROMINBD EDGE AND APPROX. 6" FROM AFT EDGE. RE (N145FE)
- [SDR HNAA2026100500945](https://openairdocs.org/sdr/HNAA2026100500945), Oct 3, 2026: Emb EMB145LR. SHROUD. UNSECURE. FLAP FAIL AT 11 DEGREES DURING GO-AROUND. INSP'D FLAPS & FOUND L/H INBD FLAP SHROUD OTBD ROLLER MISSING & FLAP JAMMED IN (N693AE)
- [SDR IPXA2026100856727](https://openairdocs.org/sdr/IPXA2026100856727), Oct 2, 2026: Boeing 76734AF. SKIN. DEBONDED. FAULT - DISBOND - END CAP, R/H WING T/E OUTBD FLAP INBD. MEASURE THE DAMAGE AREA (L:1.5", W:0.1", D:2PLIES, 7" FROM AFT  (N354UP)
- [SDR IPXA2026100857298](https://openairdocs.org/sdr/IPXA2026100857298), Oct 2, 2026: Boeing 76734AF. SKIN. CRACKED. FAULT - CRACK - SKIN, R/H WING T/E INBD MAIN FLAP INBD UPPER. (REPAIR). MEASURE THE DAMAGE AREA (DIA:1", 16.5" FROM INBD (N354UP)
- [SDR SWIA2026100277469](https://openairdocs.org/sdr/SWIA2026100277469), Oct 2, 2026: Emb ERJ170200LR. ROD. BENT. DURING PHASE 1 INSPECTION FOR FLAP 3 OVERSPEED, FOUND UPPER INBD FLAP ROD ON LT INBD FLAP ASSY TO BE BENT. REMOVED AND R (N133SY)
- [SDR 4T1R20261005001](https://openairdocs.org/sdr/4T1R20261005001), Oct 2, 2026: Bombdr BD7001A10. SPIGOT. CORRODED. DURING THE BORESCOPE INSPECTION OF THE INBOARD FLAP INTERNAL STRUCTURE PER AMM 57-51-00-290-801, STEP F.(3), CORROSION W (N925G)
- [SDR FDEA202610021470](https://openairdocs.org/sdr/FDEA202610021470), Oct 2, 2026: Boeing 767300. SKIN. DENTED. LEFT WING OUTBOARD TRAILING EDGE FLAP HAS MULTIPLE AREAS OF DAMAGE. SKIN REPAIR IS BEING DONE WITH TWO SEPERATE REPAIRS, (N145FE)
- [SDR FDEA202610021469](https://openairdocs.org/sdr/FDEA202610021469), Oct 2, 2026: Boeing 767300. SKIN. DENTED. LEFT WING OUTBOARD TRAILING EDGE FLAP, UNDERSIDE OF TRAILING EDGE WEDGE, INSIDE OF OUTBOARD FLAP FAIRING, HAS MULTIPLE A (N145FE)
- [SDR SWAA2026100513123](https://openairdocs.org/sdr/SWAA2026100513123), Oct 1, 2026: Boeing 7377H4. BRACKET. CRACKED. LEFT WING ANGLE, BRACKET INBD OF RAY GUN ON TRAILING EDGE SHELF PANEL CRACKED. REMOVED AND REPLACED BRACKET IAW SRM 51-4 (N438WN)
- [SDR AALA202610160128](https://openairdocs.org/sdr/AALA202610160128), Sep 29, 2026: Airbus A321231. LINK. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON RIGHT WING FLAP TRACK 2 INBOARD LINK - REPLACED LINK PER AMM 57-55-11 (N913US)
- [SDR SWIA2026092977608](https://openairdocs.org/sdr/SWIA2026092977608), Sep 29, 2026: Emb ERJ170200LL. FLAP TRACK. DAMAGED. RIGHT WING FLAP TRACK 1A, HAD THICKNESS REDUCTION DAMAGE, MAX DEPTH OF DAMAGE IS 032, REQUIRES 200 FC, REINSPECT UNTIL D (N285SY)
- [SDR SWIA2026092977607](https://openairdocs.org/sdr/SWIA2026092977607), Sep 29, 2026: Emb ERJ170200LL. FLAP TRACK. DAMAGED. LEFT WING FLAP TRACK 1A HAD THICKNESS REDUCTION DAMAGE, MAX DEPTH OF DAMAGE IS 033, REQUIRES 200 FC RE-INSPECT UNTIL DEP (N285SY)
- [SDR SWAA2026092941349](https://openairdocs.org/sdr/SWAA2026092941349), Sep 28, 2026: Boeing 7377H4. PANEL. DELAMINATED. DURING WALKAROUND, FOUND THE LEFT WING INBD FLAP, AFT PANEL DELAMINATED. REMOVED AND REPLACED THE LT INBD TRAILING EDGE  (N281WN)
- [SDR IPXA2026100252112](https://openairdocs.org/sdr/IPXA2026100252112), Sep 27, 2026: Boeing 7478F. FAIRING. PUNCTURED. PUNCTURED SKIN, LT WING NR 4 FLAP TRACK AFT FAIRING EXTERNAL SKIN. REMOVE THE PUNCTURED MATERIALS AND CLEAN. BOND THE RE (N634UP)
- [SDR IPXA2026100352096](https://openairdocs.org/sdr/IPXA2026100352096), Sep 27, 2026: Boeing 7478F. SEAL. BROKEN. BROKEN-MOLDING SEAL, LT WING NR 1,FLAP EXTERNAL SKIN MOLDING SEAL AREA. REMOVE THE RAIN EROSION SHIELDS AND CLEAN. APPLY (N634UP)
- [SDR DALA2026092905410](https://openairdocs.org/sdr/DALA2026092905410), Sep 26, 2026: Boeing 717200. FITTING. CORRODED. LEFT WING INBOARD FLAP FWD FITTING CORROSION. CORRECTIVE ACTION: REPAIRED PER ER/A 00-637122. (1833480) AIRCRAFT WAS GRO (N891AT)
- [SDR UIEA2026092300913](https://openairdocs.org/sdr/UIEA2026092300913), Sep 25, 2026: Boeing 747481F. SKIN. DENTED. RH WING INBOARD AND AFT FLAP LOWER SURFACE HAS A DENT ABOUT WBL 340.(<P>ACCOMPLISHED MAJOR REPAIR OF RH INBOARD AND AFT  (N404KZ)
- [SDR AALA202609252387](https://openairdocs.org/sdr/AALA202609252387), Sep 24, 2026: Airbus A321253NX. TAB. CRACKED. AIRCRAFT WAS GROUNDED: CRACKED RIGHT WING TRAILING EDGE OUTBOARD FLAP TAB - MAINTENANCE REPAIRED THE FLAP TAB PER EA 379 (N441UW)
- [SDR DALA2026092405332](https://openairdocs.org/sdr/DALA2026092405332), Sep 24, 2026: Airbus A330223. CONE. MISSING. DURING WALKAROUND, FOUND LT FLAP TRACK NR 2 TAILCONE MISSING. PLACED ON A330 CDL 57-00-04B. (8804946) AIRCRAFT WAS GROUN (N857NW)
- [SDR DALA2026092405327](https://openairdocs.org/sdr/DALA2026092405327), Sep 23, 2026: Boeing 717200. VANE. DAMAGED. DENT AND DEBONDS WERE FOUND ON SUBJECT RT WING AFT MOVABLE FLAP VANE SKIN AT LOWER SURFACE AFT END LOCATION, COMPLIED WI (N991AT)
- [SDR DALA2026092405326](https://openairdocs.org/sdr/DALA2026092405326), Sep 23, 2026: Boeing 717200. VANE. DAMAGED. SEVERAL DENTS WITH DEBONDS WERE FOUND AFFECTING THE LOWER LT AFT MOVABLE FLAP VANE SKIN, COMPLIED WITH ER/A 637033-14. ( (N991AT)
- [SDR SWAA2026092833996](https://openairdocs.org/sdr/SWAA2026092833996), Sep 22, 2026: Boeing 7378H4. FAIRING. PULLED. NR 3 FLAP TRACK AFT FAIRING HAS 7 CONSECUTIVE FASTENERS MISSING OR PULLED THROUGH ALONG OB UPPER EDGE NEAR TAIL CONE REM (N8502Z)
- [SDR FDEA202609221403](https://openairdocs.org/sdr/FDEA202609221403), Sep 22, 2026: Airbus A300F4605R. RIB. CRACKED. RIGHT WING CENTER FLAP RIB UPR FLANGE FOUND CRACK AT RIB15 BETWEEN STRINGERS 2.6, 2.7, & 2.8. CLASSIFIED AS MAJOR REPAIR (N670FE)
- [SDR FDEA202609221402](https://openairdocs.org/sdr/FDEA202609221402), Sep 22, 2026: Airbus A300F4605R. RIB. CRACKED. LEFT WING CENTER FLAP RIB UPPER FLANGE FOUND CRACKED AT RIB 26 BETWEEN STGR2.6 AND STGR2.7. COMPLIED WITH EA 6-5750-T038 (N670FE)
- [SDR UATA5120929265701](https://openairdocs.org/sdr/UATA5120929265701), Sep 21, 2026: Cessna 208B. FLAP TRACK. CRACKED. FOUND CRACK IN OUTBOARD FLAP TRACK ON RH WING., TRACK WAS REMOVED AND REPLACED WITH NEW TRACK (PN: MC2622075-6, SN: J079 (N707RA)
- [SDR DALA2026092105257](https://openairdocs.org/sdr/DALA2026092105257), Sep 20, 2026: Airbus A330941. ROLLER. WORN. RIGHT WING OTBD FLAP GUIDE ROLLER IS WORN. REPLACED ROLLER PER A330 AMM 27-54-73. (1822262) AIRCRAFT WAS GROUNDED. (N415DX)
- [SDR AALA202610130007](https://openairdocs.org/sdr/AALA202610130007), Sep 19, 2026: Airbus A321231. LINK. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT WING FLAP TRACK 2 INBOARD LINK - REPLACED LINK PER AMM 57-55-11 (N109NN)
- [SDR SWAA2026101227866](https://openairdocs.org/sdr/SWAA2026101227866), Sep 18, 2026: Boeing 7377H4. ACCESS PANEL. DAMAGED. ELONGATED HOLES ON RT WING ACCESS PANEL 661CB. REPAIRED THE ACCESS PANEL IAW SRM 51-70-04-2R-9, REPAIR 9. (N201LV)
- [SDR SWAA2026092125651](https://openairdocs.org/sdr/SWAA2026092125651), Sep 18, 2026: Boeing 7377H4. WEDGE. DELAMINATED. RIGHT INBD FLAP, AFT OTBD TRAILING EDGE SHOWS EVIDENCE OF DELAMINATION. REMOVED THE FLAP WEDGE. LOCATED & INSTALLED NUTP (N283WN)

All 31,481: https://openairdocs.org/jasc/5753/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 5740](https://openairdocs.org/jasc/5740): Wing, Attach Fittings (3,003 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 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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