# JASC 5514: Horizontal Stabilizer Miscellaneous Structure

- Type: JASC system/component code (FAA)
- ATA chapter: 55 Stabilizers
- Title in the code table: HORIZ STAB MISCELLANEOUS STRUCTURE
- Service difficulty reports: 2,783
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=50
- Page: https://openairdocs.org/jasc/5514

## What it covers

For reports of miscellaneous structure on the horizontal stabilizer structure which aids in the support of the primary structure. Includes such items as brackets, channels, stiffeners, doublers, clips, etc.

## Service difficulty reports (2,783, newest 50)

- [SDR AALA202610212427](https://openairdocs.org/sdr/AALA202610212427), Oct 13, 2026: Boeing 737823. BLADE. WORN. AIRCRAFT IN BASE MAINTENANCE: LH HORIZONTAL STABILIZER - REAR SPAR LOWER SLIDER PANEL METAL FIN IS WORN 333AB. REMOVED A (N961NN)
- [SDR IPXA2026100619415](https://openairdocs.org/sdr/IPXA2026100619415), Oct 6, 2026: Boeing 75724APF. BRACKET. CORRODED. RIGHT HORIZONTAL STAB TO ELEVATOR BONDING STRAP ATTACH BRACKET HAS CORROSION AT HORIZONTAL STAB REAR SPAR OTBD SIDE OF M (N455UP)
- [SDR VNAA2026100826301](https://openairdocs.org/sdr/VNAA2026100826301), Oct 5, 2026: Cndair CL6002D24. FITTING. GOUGED. TOOLING DAMAGE TO HSS UPPER FITTING ASSEMBLY, LEFT. PERFORMED ALL WORK USING STEPS AND DRAWINGS LISTED IN REO 690-55-11- (N643NN)
- [SDR SWAA2026101972266](https://openairdocs.org/sdr/SWAA2026101972266), Oct 4, 2026: Boeing 7378. SEAL. CRACKED. RIGHT HORIZONTAL STAB FWD UPPER SLIDER SEAL WAS CRACKED. REMOVED AND REPLACED THE SLIDING SEAL IAW AMM 53-31-31. (N8917Q)
- [SDR IPXA2026102279434](https://openairdocs.org/sdr/IPXA2026102279434), Oct 3, 2026: Boeing 75724APF. BONDING STRAP. CORRODED. R/H HORIZONTAL STAB TIP HAS FITTING TO ATTACH BONDING STRAP WITH EXFOLIATION. (N404UP)
- [SDR SWAA2026100649912](https://openairdocs.org/sdr/SWAA2026100649912), Oct 2, 2026: Boeing 73779P. SEAL. CRACKED. RIGHT HORIZONTAL STAB FWD UPPER SLIDING SEAL CRACKED ALONG FWD TRACK EDGE. REMOVED AND REPLACED THE RT HORIZONTAL STAB F (N7827A)
- [SDR SWAA2026100527439](https://openairdocs.org/sdr/SWAA2026100527439), Sep 30, 2026: Boeing 7378H4. SLIDER. CRACKED. LEFT HORIZONTAL STAB UPPER SLIDER CRACKED. REMOVED AND REPLACED THE LT HORIZONTAL STAB UPPER SLIDER IAW AMM 53-31-31. (N8533S)
- [SDR 1Q2R2026093020226](https://openairdocs.org/sdr/1Q2R2026093020226), Sep 28, 2026: Cndair CL6002C10. BRACKET. TORN. ELEVATOR AFT CABLE QUADRANT CABLE, CABLE GUARD BRACKET TORN. PERFORMED PERMANENT REPAIR IAW RFTS-131207 REV. 0, AND EA 5 (N528EG)
- [SDR IPXA2026100523567](https://openairdocs.org/sdr/IPXA2026100523567), Sep 25, 2026: Boeing 7478F. CHANNEL. CRACKED. DURING PERFORM EO-84432-JIC1, FOUND WEDGE CHANNEL CRACK AT L/H STAB BL 421.5. (N634UP)
- [SDR IPXA2026100523556](https://openairdocs.org/sdr/IPXA2026100523556), Sep 25, 2026: Boeing 7478F. CHANNEL. CRACKED. DURING PERFORM EO-84432-JIC1, FOUND WEDGE CHANNEL CRACK AT RT STAB BL 421.5. PERFORMED THE HEAT TREATMENT FROM O TO T62  (N634UP)
- [SDR SWAA2026092925697](https://openairdocs.org/sdr/SWAA2026092925697), Sep 25, 2026: Boeing 7378. SEAL. CRACKED. RIGHT HORIZONTAL STAB-TO-BODY UPPER FRONT SPAR SLIDING SEAL CRACKED. REMOVED AND REPLACED THE SLIDING SEAL IAW AMM 53-31 (N8915Q)
- [SDR CALA2026092819915](https://openairdocs.org/sdr/CALA2026092819915), Sep 25, 2026: Boeing 737824. BRACKET. DAMAGED. RIGHT HORIZONTAL STAB, NR 4 ELEVATOR HINGE BEARING BRACKET, LOWER MOUNT BRACKET HAS A HEAVY WEAR SPOT. PERFORMED A REPAI (N73299)
- [SDR LR7A2026092403961](https://openairdocs.org/sdr/LR7A2026092403961), Sep 24, 2026: Lkheed 382G. ANGLE. CRACKED. DURING SCHEDULED C-15 CHECK UNDER JOB CARD HC5511, FOUND H-STAB LH REAR SPAR WEB ANGLE CRACKED AT HSS199L. REPAIR BY REP (N403LC)
- [SDR LR7A2026092403960](https://openairdocs.org/sdr/LR7A2026092403960), Sep 24, 2026: Lkheed 382G. FITTING. CORRODED. DURING SCHEDULED C-15 CHECK UNDER JOB CARD HC5511, FOUND H-STAB BULKHEAD MOUNTING FITTING CORRODED AT FS1041, LBL6, WL27 (N403LC)
- [SDR SWAA2026092827874](https://openairdocs.org/sdr/SWAA2026092827874), Sep 23, 2026: Boeing 7377H4. SEAL. CRACKED. LEFT HORIZONTAL STAB, FWD UPPER SLIDING SEAL WAS CRACKED VERTICALLY ON THE FWD SIDE, PARALLEL TO SEAL TRACK. THE SLIDING (N930WN)
- [SDR SWAA2026092836580](https://openairdocs.org/sdr/SWAA2026092836580), Sep 23, 2026: Boeing 7377H4. SEAL. CRACKED. RIGHT HORIZONTAL STAB, FWD UPPER SLIDING SEAL WAS CRACKED VERTICALLY ON THE FWD AND AFT SIDES, PARALLEL TO SEAL TRACK. R (N930WN)
- [SDR SWAA2026101961042](https://openairdocs.org/sdr/SWAA2026101961042), Sep 22, 2026: Boeing 7378H4. SEAL. CRACKED. RIGHT HORIZONTAL STAB, UPPER FWD SLIDING SEAL WAS CRACKED. REMOVED THE FWD SLIDING SEAL IAW AMM 53-31-31. (N8553W)
- [SDR SWAA2026101934298](https://openairdocs.org/sdr/SWAA2026101934298), Sep 22, 2026: Boeing 7378H4. SEAL. CRACKED. LEFT HORIZONTAL STAB UPPER FWD SLIDING SEAL WAS CRACKED. REMOVED & REPLACED THE LT HORIZONTAL STAB UPPER FWD SLIDING SEA (N8553W)
- [SDR SWAA2026092826849](https://openairdocs.org/sdr/SWAA2026092826849), Sep 22, 2026: Boeing 7378. SEAL. CRACKED. RIGHT HORIZONTAL STAB UPPER FWD SLIDING SEAL WAS CRACKED AT FWD EDGE. R & R THE FWD SLIDING SEAL IAW AMM 53-31-31. INSPE (N8768Q)
- [SDR SWAA2026092220199](https://openairdocs.org/sdr/SWAA2026092220199), Sep 18, 2026: Boeing 7378. SEAL. CRACKED. RIGHT HORIZONTAL STAB. UPPER FWD SLIDING SEAL CRACKED ALONG FWD EDGE. REMOVED AND REPLACED RT HORIZONTAL STAB UPPER FWD  (N8803L)
- [SDR SWAA2026092919759](https://openairdocs.org/sdr/SWAA2026092919759), Sep 17, 2026: Boeing 7378H4. SEAL. DAMAGED. LEFT HORIZONTAL STAB SEAL, TRAILING EDGE PANEL 334EB, SCREW HOLES ELONGATED. REPLACED THE PANEL 334EB IAW SRM 51-10-02.  (N8548P)
- [SDR SWAA2026102120545](https://openairdocs.org/sdr/SWAA2026102120545), Sep 15, 2026: Boeing 7378H4. PIN. DEFORMED. DEFORMED PLATING ON LOWER ATTACHMENT PIN CENTER SECTION REAR SPAR LUG AT RT HORIZONTAL STAB. REPLACED ONLY THE LOWER ATT (N8658A)
- [SDR 1Q2R2026092120236](https://openairdocs.org/sdr/1Q2R2026092120236), Sep 14, 2026: Cndair CL6002C10. SUPPORT FITTING. GOUGED. TWO GOUGES, LOCATED ON UPPER, FWD, CENTER OF HORIZONTAL STAB. PERFORMED PERMANENT REPAIR IAW REO 670-55-11-415, REV. --. (N706PS)
- [SDR UIEA2026091100869](https://openairdocs.org/sdr/UIEA2026091100869), Sep 11, 2026: Boeing 747409F. WEB. CORRODED. CORRODED WEB LT HORIZONTAL STAB INTERNAL ELEV STA 381.8. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 107. FABRICATED  (N438GT)
- [SDR IPXA2026101498292](https://openairdocs.org/sdr/IPXA2026101498292), Sep 5, 2026: Boeing 75724APF. PLATE. CORRODED. RIGHT HORIZONTAL STAB FAIRING 342AR LOWER SIDE EXTENDING AFT TRANSITION END PLATE HAS CORROSION. (N463UP)
- [SDR IPXA2026100298223](https://openairdocs.org/sdr/IPXA2026100298223), Sep 5, 2026: Boeing 75724APF. FAIRING. GOUGED. MAJOR REPAIR, GOUGE IN FUSELAGE SKIN EXTENDING UNDER R/H HORZ STAB LOWER SLIDING FAIRING. RL108 (NOTE: CHECK LOWER SLIDI (N463UP)
- [SDR IPXA2026090997871](https://openairdocs.org/sdr/IPXA2026090997871), Sep 5, 2026: Boeing 75724APF. FAIRING. CORRODED. LEFT HORZ STAB FAIRING 332AL LOWER SIDE EXTENDING AFT TRANSITION END PLATE HAS CORROSION. VERIFIED STEPS 5 AND 6 C/W (N463UP)
- [SDR SWAA2026100856519](https://openairdocs.org/sdr/SWAA2026100856519), Sep 4, 2026: Boeing 7378H4. DRIP TRAY. CRACKED. HORIZONTAL STAB, FWD CABLE DRUM DRIP SHIELD CRACKED. (N8657B)
- [SDR IPXA2026092176383](https://openairdocs.org/sdr/IPXA2026092176383), Sep 3, 2026: Boeing 75724APF. BRACKET. CORRODED. LEFT HORIZONTAL STAB, BRACKET AT THE OUTBD END OF HORIZONTAL STAB, LOCATED BETWEEN THE REAR SPAR AND THE ELEVATOR LEADIN (N444UP)
- [SDR DALA2026090404996](https://openairdocs.org/sdr/DALA2026090404996), Sep 3, 2026: Boeing 717200. FAIRING. PUNCTURED. PUNCTURE ON TIP FAIRNG OF RT HORIZONTAL STAB. COMPLIED WITH ER/A 636479-14. (1793989) (AIRCRAFT GROUNDED). (N989AT)
- [SDR AALA202609219559](https://openairdocs.org/sdr/AALA202609219559), Sep 2, 2026: Boeing 737823. NUT PLATE. LOOSE. AIRCRAFT IN BASE MAINTENANCE: LH HORIZONTAL STABILIZER - REAR SPAR UPPER STAB TO BODY PANEL 333AT HAS TWO MOUNT NUTPLATE (N810NN)
- [SDR IPXA2026101437466](https://openairdocs.org/sdr/IPXA2026101437466), Sep 1, 2026: Boeing 75724APF. BRACKET. CORRODED. RH HORZ STAB TIP BONDING STRAP HAS CORROSION UNDERNEATH DISBONDED SEALANT. INSTALLED BONDING BRACKET, 1 EA RIB AND 1EA N (N463UP)
- [SDR IPXA2026100935479](https://openairdocs.org/sdr/IPXA2026100935479), Sep 1, 2026: Boeing 75724APF. ANGLE. CORRODED. LH HORZ STAB TIP T/E BONDING STRAP SUPPORT BRACKET HAS EXFOLIATION CORROSION. 83-003. ATA 55-10. INSTALLED 1 EA RIB 1EA  (N463UP)
- [SDR DALA2026102105794](https://openairdocs.org/sdr/DALA2026102105794), Sep 1, 2026: Airbus BD5001A11. EROSION SHIELD. DAMAGED. RT HORIZONTAL STAB EROSION TAPE DAMAGED. PERFORMED TEMP REPAIR OF RT HORIZONTAL STAB EROSION TAPE PER A220 ASRP 55-12-86 (N325DU)
- [SDR IPXA2026091835366](https://openairdocs.org/sdr/IPXA2026091835366), Sep 1, 2026: Airbus A300F4622R. SUPPORT FITTING. CRACKED. AFTER LT HORIZONTAL LEADING EDGE 331AB SUPPORT BRACKET REMOVAL, FOUND 1EA FITTING WITH CRACK. INSTALLATION OF NEW SUPPOR (N147UP)
- [SDR IPXA2026090837466](https://openairdocs.org/sdr/IPXA2026090837466), Sep 1, 2026: Boeing 75724APF. BONDING STRAP. DAMAGED. RH HORZ STAB TIP BONDING STRAP HAS CORROSION UNDERNEATH DISBONDED SEALANT. REMOVED 1 EA DAMAGED BONDING JUMPER AT R/H HO (N463UP)
- [SDR SWAA2026083137585](https://openairdocs.org/sdr/SWAA2026083137585), Aug 26, 2026: Boeing 737752. SEAL. CRACKED. RIGHT HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL CRACKED ALONG SEAL TRACK EDGE. REMOVED AND REPLACED RIGHT HORIZONTAL  (N7888A)
- [SDR SWAA2026090796097](https://openairdocs.org/sdr/SWAA2026090796097), Aug 20, 2026: Boeing 7377H4. STIFFENER. CRACKED. LEFT HORIZONTAL STAB RIB NR 4, 4TH STIFFENER FWD CRACKED. STIFFENER REPAIRED IAW SRM 55-10-09-2R-4. (N489WN)
- [SDR SWAA2026090712921](https://openairdocs.org/sdr/SWAA2026090712921), Aug 20, 2026: Boeing 7377H4. STIFFENER. CRACKED. LEFT HORIZONTAL STAB RIB NR 4 3RD STIFFENER FROM THE FWD, CRACKED. REPAIRED THE RIB IAW SRM 55-10-09-2R-4. (N489WN)
- [SDR SWAA2026082442710](https://openairdocs.org/sdr/SWAA2026082442710), Aug 20, 2026: Boeing 7378. SEAL. CRACKED. LEFT HORIZONTAL STAB FWD UPPER SLIDING SEAL HAS A 2.5 VERTICAL CRACK RUNNING PARALLEL TO FWD SEAL TRACK. REMOVED AND REP (N8947Q)
- [SDR SWAA2026082450888](https://openairdocs.org/sdr/SWAA2026082450888), Aug 19, 2026: Boeing 7378. SEAL. CRACKED. RIGHT STABILIZER-TO-BODY UPPER FRONT SPAR SLIDING SEAL CRACKED. R & R RT HORIZONTAL STAB-TO-BODY UPPER FRONT SPAR SLIDIN (N8903H)
- [SDR IPXA2026090494048](https://openairdocs.org/sdr/IPXA2026090494048), Aug 14, 2026: Airbus A300F4622R. SUPPORT FITTING. CRACKED. HORIZONTAL STAB, R/H LOWER APRON ATTACH AREA, #10 BRACKET, WITH CRACK. REMOVED #10 BRACKET, HORIZONTAL STAB, R/H LOWER I (N147UP)
- [SDR SWAA2026081809083](https://openairdocs.org/sdr/SWAA2026081809083), Aug 14, 2026: Boeing 7378. SEAL. CRACKED. RT STABILIZER-TO-BODY UPPER FRONT SPAR SLIDING SEAL CRACKED. REMOVED AND REPLACED R/H HORIZONTAL STABILIZER-TO-BODY UPPE (N8909L)
- [SDR SWAA2026081887792](https://openairdocs.org/sdr/SWAA2026081887792), Aug 14, 2026: Boeing 7378. SEAL. CRACKED. OTS - LH STAB SLIDING SEALS CRACKED._ REMOVED L/H STABILIZER TO UPPER FRONT SPAR SLIDING SEAL REF AMM 53-31-31. AWAITING (N8909L)
- [SDR SWAA2026081758366](https://openairdocs.org/sdr/SWAA2026081758366), Aug 11, 2026: Boeing 7377CT. SEAL. CRACKED. LEFT HORIZONTAL STAB FWD UPPER SLIDING SEAL WAS CRACKED ALONG FORWARD TRACK EDGE. R & R LT HORIZONTAL STAB SLIDING SEAL  (N7823A)
- [SDR SWAA2026081792773](https://openairdocs.org/sdr/SWAA2026081792773), Aug 11, 2026: Boeing 7378. SEAL. CRACKED. RIGHT HORIZONTAL STAB UPPER SLIDER CRACKED. REMOVED DAMAGED RT HORIZONTAL STAB UPPER SLIDER SEAL IAW MM 55-10-00. INSTAL (N8805L)
- [SDR SWAA2026081746928](https://openairdocs.org/sdr/SWAA2026081746928), Aug 11, 2026: Boeing 7378. SLIDER. CRACKED. LEFT HORIZONTAL STAB UPPER SLIDER CRACKED. REMOVED LT UPPER SLIDER, OK TO CONTINUE IAW CDL 55-10-01, SP1B. REMOVED AND R (N8805L)
- [SDR SWAA2026090143318](https://openairdocs.org/sdr/SWAA2026090143318), Aug 8, 2026: Boeing 7377H4. SEAL. CRACKED. CRACK SEAL - PLATE ACCESS PANEL 333AB AT LT HORIZONTAL STAB. REPLACED SEAL - PLATE (BLADE) ON ACCESS PANEL 333AB AT LT H (N954WN)
- [SDR KCSA202608061172](https://openairdocs.org/sdr/KCSA202608061172), Aug 6, 2026: Boeing 7474H6. WEB. CRACKED. LT HORIZONTAL STAB TIP CLOSURE RIB WEB WAS CRACKED. (N741CK)
- [SDR KCSA202608061171](https://openairdocs.org/sdr/KCSA202608061171), Aug 6, 2026: Boeing 7474H6. WEB. CRACKED. LEFT HORIZONTAL STAB TIP CLOSURE WEB UPPER CHORD WAS CRACKED (N741CK)

All 2,783: https://openairdocs.org/jasc/5514/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 (5,964 reports)
- [JASC 5511](https://openairdocs.org/jasc/5511): Horizontal Stabilizer, Spar/Rib (6,457 reports)
- [JASC 5512](https://openairdocs.org/jasc/5512): Horizontal Stabilizer, Plate/Skin (7,883 reports)
- [JASC 5513](https://openairdocs.org/jasc/5513): Horizontal Stabilizer, Tab Structure (97 reports)
- [JASC 5520](https://openairdocs.org/jasc/5520): Elevator Structure (5,385 reports)
- [JASC 5521](https://openairdocs.org/jasc/5521): Elevator, Spar/Rib (520 reports)
- [JASC 5522](https://openairdocs.org/jasc/5522): Elevator, Plate/Skin (3,272 reports)
- [JASC 5523](https://openairdocs.org/jasc/5523): Elevator, Tab Structure (1,033 reports)
- [JASC 5524](https://openairdocs.org/jasc/5524): Elevator Miscellaneous Structure (323 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 (1,751 reports)
- [JASC 5533](https://openairdocs.org/jasc/5533): Ventral Structure (77 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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