# JASC 5533: Ventral Structure

- Type: JASC system/component code (FAA)
- ATA chapter: 55 Stabilizers
- Title in the code table: VENTRAL STRUCTURE
- Service difficulty reports: 77
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=51
- Page: https://openairdocs.org/jasc/5533

## What it covers

For reports pertaining to the ventral structure and skin of the ventral fin mounted on the lower, aft fuselage for added directional stability. Typical parts are skin, rib, rivet, and miscellaneous parts, etc.

## Service difficulty reports (77, newest 50)

- [SDR JGVR20260111001](https://openairdocs.org/sdr/JGVR20260111001), Jan 11, 2026: Cessna 680CE. HINGE BRACKET. CORRODED. REMOVED THE VERTICAL STABILIZER UPPER RUDDER HINGE LOWER BRACKET DUE TO CORROSION AND REPLACED WITH NEW TEXTRON P/N 6931 (N396QS)
- [SDR SWIA2024031100105](https://openairdocs.org/sdr/SWIA2024031100105), Jan 5, 2024: Cndair CL6002C10. DRAG ANGLE. CRACKED. CRACK NOTED ON L/H AFT VERTICAL STAB DRAG ANGLE (MARKED) (C-CHECK RO 3/10/2024) REPAIRED VERTICAL STAB LH AFT DRAG ANGLE (N740EV)
- [SDR SWAA2023082382523](https://openairdocs.org/sdr/SWAA2023082382523), Jul 26, 2023: Boeing 737752. ANGLE. CRACKED. CRACK ANGLE LOCATED AT LEVEL BS1016 AT VERTICAL STABILIZER 2023-461410<[01] REPLACED ANGLE AND FASTENERS LOC BS 1016 AT  (N7843A)
- [SDR IXXA2023041101](https://openairdocs.org/sdr/IXXA2023041101), Apr 11, 2023: Boeing 767300. SKIN. DELAMINATED. L/H VERTICAL BETWEEN AUX SPAR AND FRONT SPAR FSS270 EXTERIOR SKIN DELAMINATION (N347AZ)
- [SDR IXXA202304110001](https://openairdocs.org/sdr/IXXA202304110001), Apr 9, 2023: Boeing 767300. SKIN. DELAMINATED. L/H VERTICAL BETWEEN AUX SPAR AND FRONT SPAR FSS270 EXTERIOR SKIN DELAMINATION (N347AZ)
- [SDR SWAA2023041920586](https://openairdocs.org/sdr/SWAA2023041920586), Mar 24, 2023: Boeing 7377H4. PANEL. ELONGATED. LEFT VERTICAL STABILIZER ACCESS PANEL # 322A HAS 2 EA ELONGATED FASTENER HOLES<[01] RECEIVED; LOCATED AND DRILLED NEW L/ (N435WN)
- [SDR SWAA2022100694979](https://openairdocs.org/sdr/SWAA2022100694979), Sep 20, 2022: Boeing 7377H4. NONE. CRACKED. CRACK ACCESS PANEL 321A RIB 8 ON INTERNAL AREA FWD POSITION AT VERTICAL STABILIZER 2022-466985 / [01] REPLACED RIB 8 LOC (N265WN)
- [SDR SWIA202266481](https://openairdocs.org/sdr/SWIA202266481), Jul 31, 2022: Cndair CL6002B19. NONE. SCRATCHED. *VERTICAL STAB LANDING FOR PANEL 325ER HAS SCRATCHES/GOUGES (MARKED) (C-CHECK RO 9/12/2022) REMOVED SCRATCHES AND GOUGES (N955SW)
- [SDR SWIA202266479](https://openairdocs.org/sdr/SWIA202266479), Jul 31, 2022: Cndair CL6002B19. NONE. SCRATCHED. *VERTICAL STAB LANDING FOR PANEL 325CR HAS SCRATCHES/GOUGES (MARKED) (C-CHECK RO 9/12/2022) REMOVED SCRATCHES AND GOUGES (N955SW)
- [SDR SWIA202266478](https://openairdocs.org/sdr/SWIA202266478), Jul 31, 2022: Cndair CL6002B19. NONE. SCRATCHED. *VERTICAL STAB LANDING FOR PANEL 325BR HAS SCRATCHES/GOUGES (MARKED) (C-CHECK RO 9/12/2022) REMOVED SCRATCHES AND GOUGES (N955SW)
- [SDR SWIA202266477](https://openairdocs.org/sdr/SWIA202266477), Jul 31, 2022: Cndair CL6002B19. NONE. SCRATCHED. *VERTICAL STAB LANDING FOR PANEL 325BL HAS SCRATCHES/GOUGES (MARKED) (C-CHECK RO 9/12/2022) REMOVED SCRATCHES AND GOUGES (N955SW)
- [SDR SWIA202266476](https://openairdocs.org/sdr/SWIA202266476), Jul 31, 2022: Cndair CL6002B19. NONE. SCRATCHED. *VERTICAL STAB LANDING FOR PANEL 325AL HAS SCRATCHES/GOUGES (MARKED) (C-CHECK RO 9/12/2022) REMOVED SCRATCHES AND GOUGES (N955SW)
- [SDR U2RA2022072800032](https://openairdocs.org/sdr/U2RA2022072800032), Jul 15, 2022: Boeing 747428. SHEAR WEB. CRACKED. IT WAS FOUND 2 EA CRACKS ON THE VERTICAL STABILIZER T/E BEAM RHS WEB (P/N: 173U1010-31) APPROX.AT RUD STA 307 AND RUD ST (N919CA)
- [SDR SWIA202266163](https://openairdocs.org/sdr/SWIA202266163), Jun 3, 2022: Cndair CL6002B19. NONE. DENTED. WHILE REMOVING STABILIZER VERTICAL LEADING EDGE FOUND PROTRUDING DENT APROX 12" ABOVE T/E OF THE L/H PYLON (C-CHECK RO 7 (N961SW)
- [SDR SWIA202265835](https://openairdocs.org/sdr/SWIA202265835), May 31, 2022: Cndair CL6002C10. NONE. CRACKED. CRACK FOUND ON THE RH AFT DRAG ANGLE ON THE VERTICAL STAB TO EMPENAGE ATTACHMENT. CRACK STARTS AT FWD EDGE OF RH AFT DRA (N773SK)
- [SDR SWIA202265834](https://openairdocs.org/sdr/SWIA202265834), May 31, 2022: Cndair CL6002C10. NONE. CRACKED. CRACK FOUND ON THE LH AFT DRAG ANGLE ON THE VERTICAL STAB TO EMPENAGE ATTACHMENT. CRACK STARTS AT FWD EDGE OF LH AFT DRA (N773SK)
- [SDR SWIA202265833](https://openairdocs.org/sdr/SWIA202265833), May 31, 2022: Cndair CL6002C10. NONE. CRACKED. CRACK FOUND ON THE LH FWD DRAG ANGLE ON THE VERTICAL STAB TO EMPENAGE ATTACHMENT. CRACK STARTS AT AFT EDGE OF THE LH FWD (N773SK)
- [SDR IXXA2022051903](https://openairdocs.org/sdr/IXXA2022051903), May 19, 2022: Boeing 767300. VERTICAL BEAM. DELAMINATED. DELAMINATED AREA ON RIGHT HAND SIDE OF VERTICAL STABILIZER AT APPROX FSS 270.784. (N389AZ)
- [SDR CALA2022051601263](https://openairdocs.org/sdr/CALA2022051601263), May 16, 2022: Boeing 737900ER. VORTEX GEN. MISSING. PDA 2 MISSING ONE APU VORTEX GEN RGHT SIDE ADDING IMAGES ONE VORTEX MISSING PLACED ON CDL REFERENCE LOG 8570467 (N67812)
- [SDR SWAA2022060300191](https://openairdocs.org/sdr/SWAA2022060300191), Apr 27, 2022: Boeing 7377H4. ANGLE. CRACKED. CRACK ANGLE LOCATED AT BS 1016 BETWEEN S-2R AND S-2L UPPER FUSELAGE AT VERTICAL STABILIZER 2022-223221 / [01] REPLACED A (N464WN)
- [SDR V0XD202202250001](https://openairdocs.org/sdr/V0XD202202250001), Feb 25, 2022: Cndair CL600*. ACTUATOR. CORRODED. L/H O/B CENTER FLAP /CENTER BUTE DOOR ACTUATOR ASSY SPRING IS CORRODED. CORRECTIVE ACTION: REMOVED AND REPLACED THE BUTE (N525AE)
- [SDR SWIA202164681](https://openairdocs.org/sdr/SWIA202164681), Dec 20, 2021: Cndair CL6002C10. NONE. CRACKED. *VERTICAL STABILIZER AFT RIGHTHAND DRAG ANGLE IS CRACKED. (C CHECK RO 02/25/2022) REPLACED VERTICAL STABILIZER AFT RIGHT (N726SK)
- [SDR V0XD20211218001](https://openairdocs.org/sdr/V0XD20211218001), Dec 18, 2021: Cndair CL6002C10. ANGLE. CRACKED. VERTICAL STABLIZER L/H AFT DRAG ANGLE IS CRACKED. CORRECTIVE ACTION: REMOVED DAMAGE, FABRICATED AND INSTALLED REPAIR PAR (N527EA)
- [SDR SWIA202164105](https://openairdocs.org/sdr/SWIA202164105), Nov 21, 2021: Cndair CL6002C10. NONE. CRACKED. *CRACK PRESENT ON V-STAB RH AFT DRAG ANGLE (C CHECK RO 02-03-22) REPAIRED AFT VERTICAL STAB TO FUSELAGE RH DRAG ANGLE. R (N710SK)
- [SDR SWIA202164104](https://openairdocs.org/sdr/SWIA202164104), Nov 21, 2021: Cndair CL6002C10. NONE. CRACKED. *CRACK PRESENT ON V-STAB RH FWD DRAG ANGLE (C CHECK RO 02-03-22) REPAIRED FWD VERTICAL STAB TO FUSELAGE RH DRAG ANGLE. R (N710SK)
- [SDR SWIA202164103](https://openairdocs.org/sdr/SWIA202164103), Nov 21, 2021: Cndair CL6002C10. NONE. CRACKED. *CRACK PRESENT ON V-STAB LH AFT DRAG ANGLE (C CHECK RO 02-03-22) REMOVED AND REPLACED LH AFT DRAG ANGLE WITH NEW REPAIR  (N710SK)
- [SDR SWIA202164102](https://openairdocs.org/sdr/SWIA202164102), Nov 21, 2021: Cndair CL6002C10. NONE. CRACKED. *CRACK PRESENT ON V-STAB LH FWD DRAG ANGLE (C CHECK RO 02-03-22) PERFORMED V-STAB LH FWD DRAG ANGLE CRACK REPAIR REF. CR (N710SK)
- [SDR SWIA202163831](https://openairdocs.org/sdr/SWIA202163831), Nov 4, 2021: Cndair CL600*. NONE. CRACKED. *SUSPECTED CRACK AT R/H AFT DRAG ANGLE AT BASE OF VERTICAL STAB (MARKED) (C CHECK RO 1/16/2022) PREFORMED SRM REPAIR ON  (N770SK)
- [SDR SWIA202163830](https://openairdocs.org/sdr/SWIA202163830), Nov 4, 2021: Cndair CL600*. NONE. CRACKED. *SUSPECTED CRACK AT L/H AFT DRAG ANGLE AT BASE OF VERTICAL STAB (MARKED) (C CHECK RO 1/16/2022) PREFORMED SRM REPAIR ON  (N770SK)
- [SDR SWIA202163158](https://openairdocs.org/sdr/SWIA202163158), Oct 20, 2021: Cndair CL6002C10. NONE. DAMAGED. DURING REPAIR OF L/H FWD DRAG ANGLE UNDERLYING SKIN WAS TRIMMED. (C CHECK RO 12-19-21) REPAIRED LH FWD DRAG ANGLE UDERLY (N606SK)
- [SDR SWAA2021110128181](https://openairdocs.org/sdr/SWAA2021110128181), Oct 8, 2021: Boeing 7378H4. NONE. CORRODED. ON THE VERTICAL FIN UPPER CAP THE LEFT SIDE TRAILING EDGE AREA HAS EVIDENCE OF CORROSION / FOUND CORROSION TO BE OUT OF  (N8305E)
- [SDR SWIA202163113](https://openairdocs.org/sdr/SWIA202163113), Oct 1, 2021: Cndair CL6002C10. NONE. CRACKED. * R/H SIDE VERTICAL STABILIZER TO FUSELAGE DRAG ANGLE HAS A SUSPECTED CRACK NEAR THE RUDDER, MARKED. (C CHECK RO 12-19-2 (N606SK)
- [SDR SWIA202163112](https://openairdocs.org/sdr/SWIA202163112), Oct 1, 2021: Cndair CL6002C10. NONE. CRACKED. * L/H SIDE VERTICAL STABILIZER TO FUSELAGE DRAG ANGLE HAS A SUSPECTED CRACK NEAR THE RUDDER, MARKED. (C CHECK RO 12-19-2 (N606SK)
- [SDR SWIA202162464](https://openairdocs.org/sdr/SWIA202162464), Aug 21, 2021: Cndair CL600*. NONE. CRACKED. LH DRAG ANGLES JUST BELOW VERTICAL STAB APPROX. FS 1220 - 67.5 % HAS A CRACK AS MARKED (C-CHECK RO 11/10/2021) CUT OUT D (N772SK)
- [SDR SWIA202162463](https://openairdocs.org/sdr/SWIA202162463), Aug 21, 2021: Cndair CL600*. NONE. CRACKED. RH DRAG ANGLES JUST BELOW VERTICAL STAB APPROX. FS 1220 - 67.5 % HAS A CRACK AS MARKED (C-CHECK RO 11/10/2021) CUT OUT D (N772SK)
- [SDR SWIA202162318](https://openairdocs.org/sdr/SWIA202162318), Aug 9, 2021: Cndair CL6002C10. NONE. CRACKED. *POSSIBLE CRACK ON LH VERTICAL/FUSELAGE AFT DRAG ANGLE (C-CHECK RO 11/5/2021) REPAIRED THE L/H VERTICAL/FUSELAGE AFT DRA (N614SK)
- [SDR SWIA202162317](https://openairdocs.org/sdr/SWIA202162317), Aug 9, 2021: Cndair CL6002C10. NONE. CRACKED. *POSSIBLE CRACK ON RH VERTICAL/FUSELAGE AFT DRAG ANGLE (C-CHECK RO 11/5/2021) REMOVED AND REPLACED NEW RH AFT DRAG ANGLE (N614SK)
- [SDR SWIA202161150](https://openairdocs.org/sdr/SWIA202161150), Jul 15, 2021: Cndair CL600*. NONE. CRACKED. *SUSPECTED CRACK NOTED AT L/H DRAG ANGLE AT BASE OF VERTICAL STAB AT APPROX FS1181.00 (MARKED) (C-CHECK RO 9-21-21) REMO (N766SK)
- [SDR SWAA2022020968069](https://openairdocs.org/sdr/SWAA2022020968069), Mar 17, 2018: Boeing 7377H4. NONE. DAMAGED. DAMAGE FOUND ON R/H DORSAL FIN 6.75' FWD OF THE AFT EDGE OF THE DORSAL FIN AND 5' BELOW TOP EDGE. / ACCOMPLISHED REPAIR  (N945WN)
- [SDR 2018FA0000023](https://openairdocs.org/sdr/2018FA0000023), Jan 11, 2018: Cessna 680CE. SPAR. CHAFED. VERTICAL FIN AFT SPAR CAP CHAFED. REPAIRED IAW REPORT S-680-0081/10RD. (N369QS)
- [SDR SWAA2022020382264](https://openairdocs.org/sdr/SWAA2022020382264), Nov 7, 2017: Boeing 7377H4. BRACKET. CRACKED. SUPPLEMENTAL INFORMATION: SKATE ANGLE ATTACH BRACKET CRACKED; PANEL 323CR / REMOVED AND REPLACED SKATE ATTACH BRACKET PE (N749SW)
- [SDR GLBA20111025G](https://openairdocs.org/sdr/GLBA20111025G), Oct 25, 2011: Beech 1900D. VENTRAL FIN. DEBONDED. DURING A SCHEDULED ROUTINE INSPECTION, FOUND THE LT VENTRAL FIN DEBONDED BETWEEN FS 570 AND FS 605, 9.5" ALONG LWR T/E A (N253GL)
- [SDR RU3A1120](https://openairdocs.org/sdr/RU3A1120), Sep 27, 2011: Lear 60LEAR. STIFFENER. CRACKED. LT DELTA FIN HAS TWO POPPED RIVETS AND CRACKED STIFFENER ALONG LOWER LEADING EDGE. (N59)
- [SDR 08FDEA03881](https://openairdocs.org/sdr/08FDEA03881), Sep 15, 2008: Airbus A310203. ANGLE. CRACKED. VERTICAL STABILIZER FWD RT LOWER CHORD ANGLE HAS A 6.5 INCH CRACK. REMOVED AND REPLACED CHORD ANGLE IAW SRM 51-40-21. (N426FE)
- [SDR N93A28082007A](https://openairdocs.org/sdr/N93A28082007A), Aug 28, 2007: Gulstm GIV. ANGLE. CRACKED. DURING 5000 LANDING INSPECTION FOUND 793 BULKHEAD VERTICAL STAB CAP ANGLE CRACKED. (N495QS)
- [SDR MALA070113](https://openairdocs.org/sdr/MALA070113), Aug 24, 2007: Saab 340B. UNKNOWN. UNKNOWN. DURING N4K CHECK IN CWA FOUND, RT VENTRAL FIN LOWER EDGE. REPAIRED IAW EO NR S53466 AND SAAB REPAIR STATEMENT 340SDS0128 (N411XJ)
- [SDR TRAX200701045](https://openairdocs.org/sdr/TRAX200701045), Jul 24, 2007: Cndair CL6002B19. ATTACH ANGLE. CRACKED. ATTACH ANGLE FOR RB 2 ON AFT SIDE OF MID SPAR IS CRACKED UNDER ACCESS PANEL 325AL ON VERTICAL STABILIZER. [08-07-07] PER (N833AS)
- [SDR 2758071607](https://openairdocs.org/sdr/2758071607), Jul 16, 2007: Bolkms BK117A3. SKIN. CRACKED. 1 INCH LONG SKIN CRACK FOUND ON IB SIDE OF VERTICAL STABILIZER SKIN. (N117MH)
- [SDR DALA1134489221](https://openairdocs.org/sdr/DALA1134489221), Jan 1, 2007: Doug MD9030. ATTACH ANGLE. CRACKED. CRACK ON LT DORSAL FIN ATTACH ANGLE. REPAIRED PER MESSAGE 1-207926631-2. (N921DN)
- [SDR QXEA200601127](https://openairdocs.org/sdr/QXEA200601127), Apr 14, 2006: Dhav DHC8202. CLIP. CRACKED. PDX - C4 V STAB, RIGHT MID SPAR, CLIP IS CRACKED ON AFT SIDE ON MID SPAR AT Z 176.5. REPAIRED IAW DHC-8-200 SRM 51-40-11 (N356PH)

All 77: https://openairdocs.org/jasc/5533/reports.md

## Other codes in chapter 55

- [JASC 5500](https://openairdocs.org/jasc/5500): Empennage Structure (490 reports)
- [JASC 5510](https://openairdocs.org/jasc/5510): Horizontal Stabilizer Structure (5,958 reports)
- [JASC 5511](https://openairdocs.org/jasc/5511): Horizontal Stabilizer, Spar/Rib (6,454 reports)
- [JASC 5512](https://openairdocs.org/jasc/5512): Horizontal Stabilizer, Plate/Skin (7,879 reports)
- [JASC 5513](https://openairdocs.org/jasc/5513): Horizontal Stabilizer, Tab Structure (97 reports)
- [JASC 5514](https://openairdocs.org/jasc/5514): Horizontal Stabilizer Miscellaneous Structure (2,779 reports)
- [JASC 5520](https://openairdocs.org/jasc/5520): Elevator Structure (5,383 reports)
- [JASC 5521](https://openairdocs.org/jasc/5521): Elevator, Spar/Rib (520 reports)
- [JASC 5522](https://openairdocs.org/jasc/5522): Elevator, Plate/Skin (3,271 reports)
- [JASC 5523](https://openairdocs.org/jasc/5523): Elevator, Tab Structure (1,033 reports)
- [JASC 5524](https://openairdocs.org/jasc/5524): Elevator Miscellaneous Structure (322 reports)
- [JASC 5530](https://openairdocs.org/jasc/5530): Vertical Stabilizer (2,534 reports)
- [JASC 5531](https://openairdocs.org/jasc/5531): Vertical Stabilizer, Spar/Rib (1,233 reports)
- [JASC 5532](https://openairdocs.org/jasc/5532): Vertical Stabilizer, Plate/Skin (1,745 reports)
- [JASC 5534](https://openairdocs.org/jasc/5534): Vertical Stabilizer Miscellaneous Structure (816 reports)
- [JASC 5540](https://openairdocs.org/jasc/5540): Rudder Structure (1,901 reports)
- [JASC 5541](https://openairdocs.org/jasc/5541): Rudder, Spar/Rib (277 reports)
- [JASC 5542](https://openairdocs.org/jasc/5542): Rudder, Plate/Skin (1,372 reports)
- [JASC 5543](https://openairdocs.org/jasc/5543): Rudder, Tab Structure (196 reports)
- [JASC 5544](https://openairdocs.org/jasc/5544): Rudder Miscellaneous Structure (270 reports)
- [JASC 5550](https://openairdocs.org/jasc/5550): Empennage Flight Control Surfaces, Attach Fittings (66 reports)
- [JASC 5551](https://openairdocs.org/jasc/5551): Horizontal Stabilizer, Attach Fittings (672 reports)
- [JASC 5552](https://openairdocs.org/jasc/5552): Elevator Tab, Attach Fittings (222 reports)
- [JASC 5553](https://openairdocs.org/jasc/5553): Vertical Stabilizer, Attach Fittings (586 reports)
- [JASC 5554](https://openairdocs.org/jasc/5554): Rudder/Tab, Attach Fittings (132 reports)
- [JASC 5597](https://openairdocs.org/jasc/5597): Stabilizer System Wiring (14 reports)

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