# JASC 5512: Horizontal Stabilizer, Plate/Skin

- Type: JASC system/component code (FAA)
- ATA chapter: 55 Stabilizers
- Title in the code table: HORIZONTAL STABILIZER, PLATE/SKIN
- Service difficulty reports: 7,879
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=50
- Page: https://openairdocs.org/jasc/5512

## What it covers

For specific reports of plates/skins on the horizontal stabilizer.

## Service difficulty reports (7,879, newest 50)

- [SDR JGVR20261021002](https://openairdocs.org/sdr/JGVR20261021002), Oct 21, 2026: Cessna 680A. SKIN. CORRODED. REPAIRED THE LH HORIZONTAL STABILIZER UPPER INBOARD SKIN BY TRIMMING OUT CORRODED AREA, PERFORMING NDT, FABRICATING AND  (N676QS)
- [SDR SCNA20261014427](https://openairdocs.org/sdr/SCNA20261014427), Oct 8, 2026: Boeing 7378F2. SKIN. CRACKED. CRACK WAS FOUND OF 0.125IN LENGTH IN RIB HOLE AT STAB STA 129.50 OF LT HORIZONTAL STAB LOWER SURFACE. REPAIR: IAW SRM RE (N825SY)
- [SDR DALA2026100605515](https://openairdocs.org/sdr/DALA2026100605515), Oct 4, 2026: Boeing 767332. SKIN. CORRODED. CORROSION EXTERNAL SKIN HORIZONTAL STABILIZER LOC. REAR SPAR BTW RIB 1 L AND RIB 1R AT HORIZONTAL. COMPLIED WITH ER/A 63 (N197DN)
- [SDR SWAA2026100104773](https://openairdocs.org/sdr/SWAA2026100104773), Sep 30, 2026: Boeing 7378. PANEL. DELAMINATED. DAMAGE FOUND ON AFT OTBD CORNER OF HORIZONTAL STAB PANEL 343BB. PREFORMED TEMP REPAIR IAW SRM 55-10-01-1A-3, (N8874Q)
- [SDR SCNA20261014429](https://openairdocs.org/sdr/SCNA20261014429), Sep 27, 2026: Boeing 7378F2. SKIN. CRACKED. WO 98046 NR00014 INITIAL / CRACK WAS FOUND OF: L=0.688IN LENGTH ON RH HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 138.7 (N825SY)
- [SDR SCNA20261014428](https://openairdocs.org/sdr/SCNA20261014428), Sep 27, 2026: Boeing 7378F2. SKIN. CRACKED. CRACK WAS FOUND OF: L=0.625IN LENGTH ON RH HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 184.70 COMMON TO THE HORIZONTAL  (N825SY)
- [SDR SCNA20261020437](https://openairdocs.org/sdr/SCNA20261020437), Sep 26, 2026: Boeing 7378F2. SKIN. CRACKED. A CRACK WAS FOUND ON LT HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 138.70 COMMON TO THE HORIZONTAL RIB IAW TASK CARD E (N825SY)
- [SDR SCNA20261014426](https://openairdocs.org/sdr/SCNA20261014426), Sep 26, 2026: Boeing 7378F2. SKIN. CRACKED. WO 98046 NR00012, INITIAL / CRACK WAS FOUND OF: L=0.750IN LENGTH ON LH HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 147. (N825SY)
- [SDR SWAA2026101443741](https://openairdocs.org/sdr/SWAA2026101443741), Sep 21, 2026: Boeing 7378H4. ACCESS PANEL. DAMAGED. ELONGATED HOLES ON LEADING EDGE SKIN ACCESS PANEL 341B, UPPER AREA LE STA 69.93 MORE 1 INCH HOLE 1, 2.607 INCHES OF UPPE (N8656B)
- [SDR CALA2026101220287](https://openairdocs.org/sdr/CALA2026101220287), Sep 21, 2026: Boeing 737724. SKIN. CRACKED. LEFT HORIZONTAL STAB LOWER SKIN, ONE CRACK SIGNAL NOTED AT HSS 101.90 INBD SIDE, LOCATED TO 10.25 INCH FWD FROM AFT SPAR (N16703)
- [SDR SWAA2026101229388](https://openairdocs.org/sdr/SWAA2026101229388), Sep 20, 2026: Boeing 7377H4. ACCESS PANEL. CRACKED. CRACK BLADE ACCESS PANEL 343AT AT RT HORIZONTAL STAB. REPLACED BLADE ON ACCESS PANEL 343AT AT RT HORIZONTAL STAB IAW SRM (N201LV)
- [SDR CALA2026101220285](https://openairdocs.org/sdr/CALA2026101220285), Sep 19, 2026: Boeing 737724. SKIN. CRACKED. RIGHT HORIZONTAL STAB LOWER SKIN, ONE CRACK SIGNAL NOTED AT HSS 129.50, OTBD SIDE LOCATED TO 16 INCH AFT FROM FWD, MARKE (N16703)
- [SDR CALA2026101220283](https://openairdocs.org/sdr/CALA2026101220283), Sep 18, 2026: Boeing 737824. SKIN. CRACKED. LEFT HORIZONTAL STAB LOWER SKIN, ONE CRACK SIGNAL NOTED AT HSS 129.50, INBD SIDE LOCATED TO 9.750 INCH APROX. FWD FROM A (N73299)
- [SDR SWAA2026092992719](https://openairdocs.org/sdr/SWAA2026092992719), Sep 18, 2026: Boeing 7378H4. ACCESS PANEL. DAMAGED. RIGHT STABILIZER ACCESS PANEL 344EB, HAD ELONGATED HOLES & DAMAGE. THE ACCESS PANEL 344EB WAS REPLACED IAW AMM 27-31-11. (N8548P)
- [SDR SWAA2026092980670](https://openairdocs.org/sdr/SWAA2026092980670), Sep 18, 2026: Boeing 7378H4. ACCESS PANEL. DAMAGED. RIGHT HORIZONTAL STAB ACCESS PANEL 344BB HAD ELONGATED HOLES & DAMAGE. REPLACED THE ACCESS PANEL IAW SRM 51-10-02. (N8548P)
- [SDR SWAA2026092973622](https://openairdocs.org/sdr/SWAA2026092973622), Sep 18, 2026: Boeing 7378H4. ACCESS PANEL. ELONGATED. ACCESS PANEL 344FB, RT STABILIZER HAD ELONGATED HOLES & DAMAGE. REPLACED THE PANEL 344FB IAW AMM 27-31-11. C/W STEPS 2-6 (N8548P)
- [SDR SWAA2026092933747](https://openairdocs.org/sdr/SWAA2026092933747), Sep 18, 2026: Boeing 7378H4. ACCESS PANEL. DAMAGED. PANEL 344AT, RT STABILIZER HAD ELONGATED HOLES & DAMAGE. THE PANEL 344AT WAS REPLACED IAW AMM 27-31-11. C/W STEPS 3-7. (N8548P)
- [SDR SWAA2026092956055](https://openairdocs.org/sdr/SWAA2026092956055), Sep 18, 2026: Boeing 7378H4. PANEL. DAMAGED. PANEL 344DB, ON THE RT STABILIZER HAD ELONGATED HOLES & DAMAGE. PANEL 344DB WAS REPLACED IAW AMM 27-31-11. C/W STEPS 2-6 (N8548P)
- [SDR ABXA20260918423](https://openairdocs.org/sdr/ABXA20260918423), Sep 18, 2026: Boeing 7673P6. SKIN. CORRODED. DURING AIRCRAFT C5-CHECK , MAINTENANCE DISCOVERED CORROSION DAMAGE ON THE UPPER SKIN PANEL OF THE RIGHT HORIZONTAL STABI (N762CK)
- [SDR ABXA20260918422](https://openairdocs.org/sdr/ABXA20260918422), Sep 18, 2026: Boeing 7673P6. SKIN. CORRODED. DURING AIRCRAFT C5 CHECK, MAINTENANCE DISCOVERED RT HORZ STAB UPPER SKIN HAS EVIDENCE OF CORROSION, 24 INCHES AFT OF THE (N762CK)
- [SDR SWAA2026101232960](https://openairdocs.org/sdr/SWAA2026101232960), Sep 16, 2026: Boeing 7377H4. ACCESS PANEL. CRACKED. CRACK ANGLE OF ACCESS PANEL 333AT ON THE LT HORIZONTAL STAB. REPLACED THE ACCESS PANEL IAW SRM-51-40-02-0G-0, & SRM-51-1 (N201LV)
- [SDR SWAA2026100762037](https://openairdocs.org/sdr/SWAA2026100762037), Sep 12, 2026: Boeing 7377H4. ACCESS PANEL. CRACKED. CRACKED BLADE ASSY ON THE LT HORIZONTAL STAB ACCESS PANEL 333AT. REPLACED THE BLADE ASSY FOR ACCESS PANEL 333AT IAW SRM  (N208WN)
- [SDR SWAA2026100550157](https://openairdocs.org/sdr/SWAA2026100550157), Sep 12, 2026: Boeing 7378H4. BLADE. CRACKED. CRACKED ACCESS PANEL 333AB BLADE ASSY AT LT HORIZONTAL STAB. REPLACED THE BLADE ASSY ON ACCESS PANEL 333AB IAW SRM 51-40 (N8309C)
- [SDR DALA2026091205103](https://openairdocs.org/sdr/DALA2026091205103), Sep 11, 2026: Boeing 737832. SKIN. CRACKED. CRACK (3EAS) ON LWR SURFACE BTW STAB STA=129.30 TO 111.00 AT RT HORIZONTAL STAB. LWR SURFACE BTW STAB STA=129.30 TO 111. (N383DN)
- [SDR SWAA2026101411223](https://openairdocs.org/sdr/SWAA2026101411223), Sep 9, 2026: Boeing 7378H4. ACCESS PANEL. CRACKED. CRACKED BLADE ACCESS PANEL 333 OF LT HORIZONTAL STAB. REPLACED THE BLADE ON ACCESS PANEL 333 IAW SRM 51-40-02-0G-0, SRM  (N8656B)
- [SDR SWAA2026101424077](https://openairdocs.org/sdr/SWAA2026101424077), Sep 9, 2026: Boeing 7378H4. ACCESS PANEL. DAMAGED. ELONGATED HOLES ON LEADING EDGE SKIN ACCESS PANEL 341B LOCATED UPPER AREA LE STA 69.93 AT RT HORIZONTAL STABILIZER 2026- (N8656B)
- [SDR ABXA20260901388](https://openairdocs.org/sdr/ABXA20260901388), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, DURING STRUCTURAL INSPECTION THE LT HORIZONTAL STAB UPPER SKIN PANEL WAS FOUND WITH CORROSION BETWEEN RS (N364CM)
- [SDR ABXA20260901387](https://openairdocs.org/sdr/ABXA20260901387), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, DURING STRUCTURAL INSPECTION THE LT HORIZONTAL STAB UPPER SKIN PANEL WAS FOUND WITH CORROSION BETWEEN RS (N364CM)
- [SDR ABXA20260901386](https://openairdocs.org/sdr/ABXA20260901386), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, LT HORIZONTAL STAB. UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX" 3" LONG AT 165" FROM FUSELAGE (N364CM)
- [SDR ABXA20260901385](https://openairdocs.org/sdr/ABXA20260901385), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, LT HORIZONTAL STAB, UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX" 3" LONG AT 8" FROM FUSELAGE B (N364CM)
- [SDR ABXA20260901384](https://openairdocs.org/sdr/ABXA20260901384), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, RT HORIZONTAL STAB. UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX 2" LONG AT 70"" O/B SIDE. (ARO (N364CM)
- [SDR ABXA20260901383](https://openairdocs.org/sdr/ABXA20260901383), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, RT HORIZONTAL STAB. UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX" 2" LONG AT 47" FROM OTBD SIDE (N364CM)
- [SDR ABXA20260901382](https://openairdocs.org/sdr/ABXA20260901382), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, RT HORIZONTAL STAB. UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APPROX 3" LONG AT 22" FROM OTBD SIDE (N364CM)
- [SDR ABXA20260901381](https://openairdocs.org/sdr/ABXA20260901381), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, RT HORIZONTAL STAB. UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX 4" LONG AT 161" FROM FUSELAGE  (N364CM)
- [SDR ABXA20260901380](https://openairdocs.org/sdr/ABXA20260901380), Sep 1, 2026: Boeing 767338. SKIN. CORRODED. DURING C-CHECK, R/H HORIZONTAL STAB UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX 5" LONG AT 95" FROM FUSELAGE B (N364CM)
- [SDR CALA2026090719294](https://openairdocs.org/sdr/CALA2026090719294), Aug 30, 2026: Boeing 737924ER. SKIN. CRACKED. CRACK FOUND AT RT HORIZONTAL STAB LOWER SKIN PANEL AT HSS 147.90, 18 INCH FWD OF T/E, CRACK LENGTH 2.5". COMPLETED INSTA (N39415)
- [SDR I5PA2026083068802](https://openairdocs.org/sdr/I5PA2026083068802), Aug 30, 2026: Boeing 757230. SKIN. CORRODED. CORROSION DISCOVERED ON RT HORIZONTAL STAB UPPER SKIN. REPAIRED THE STAB SKIN IAW EO APA-0046-011, -012, -013, -014, -01 (N688SL)
- [SDR I5PA2026083068801](https://openairdocs.org/sdr/I5PA2026083068801), Aug 30, 2026: Boeing 757230. SKIN. CORRODED. CORROSION DISCOVERED ON LT HORIZONTAL STAB UPPER SKIN. REPAIRED THE SKIN IAW EO APA-0046-001, -002, -003, -004, -005, -0 (N688SL)
- [SDR CALA2026090919334](https://openairdocs.org/sdr/CALA2026090919334), Aug 28, 2026: Boeing 737824. SKIN. CRACKED. TWO CRACKS FOUND AT RT HORIZONTAL STAB LOWER IN-SPAR SKIN AT HSS 138.70, 10 INCHES FWD OF T/E, REPAIRED RT HORIZONTAL ST (N78509)
- [SDR CALA2026090719296](https://openairdocs.org/sdr/CALA2026090719296), Aug 28, 2026: Boeing 737924ER. SKIN. CRACKED. THREE CRACKS FOUND ON LT HORIZONTAL STAB LOWER SKIN PANEL ADJACENT TO DOUBLER, TWO CRACKS AT HSS 129.50, 10 INCHES FWD O (N39415)
- [SDR CALA2026092819863](https://openairdocs.org/sdr/CALA2026092819863), Aug 27, 2026: Boeing 737824. SKIN. CRACKED. EA 5510-01843, CRACK FOUND ON RT HORIZONTAL STAB LOWER IN-SPAR SKIN AT HSS 120.30, INBD OF INBD FASTENER ROW, 10.5" FWD  (N78509)
- [SDR SWAA2026092959991](https://openairdocs.org/sdr/SWAA2026092959991), Aug 25, 2026: Boeing 7378H4. ACCESS PANEL. CRACKED. CRACKED HORIZONTAL STAB ACCESS PANEL 343CB. REPLACED THE ACCESS PANEL IAW SRM 51-10-02, ITEM 9, 51-40-02, & DWG 185A1702 (N8653A)
- [SDR SWAA2026091453396](https://openairdocs.org/sdr/SWAA2026091453396), Aug 22, 2026: Boeing 7377H4. ACCESS PANEL. CRACKED. CRACKED BLADE, ACCESS PANEL 333AT AT LT HORIZONTAL STAB. REPLACED BLADE ON ACCESS PANEL 333AT AT LT HORIZONTAL STAB IAW  (N207WN)
- [SDR CALA2026092819858](https://openairdocs.org/sdr/CALA2026092819858), Aug 20, 2026: Boeing 737724. SKIN. CRACKED. LH HORIZONTAL STAB, LOWER SKIN, ONE CRACK INDICATION AT HSS 157.10, 9.5 INCHES IN FRONT OF REAR SPAR. PERFORMED REPAIR O (N14704)
- [SDR FDEA202608201192](https://openairdocs.org/sdr/FDEA202608201192), Aug 20, 2026: Boeing 757222. SKIN. DAMAGED. DURING AGING AIRCRAFT INSPECTION FOUND PREVIOUS EXISTING REPAIR ON RH HORIZONTAL STAB LOWER SKIN, INBD AREA, NOT INCLUDE (N783FD)
- [SDR REXA2026092101851](https://openairdocs.org/sdr/REXA2026092101851), Aug 18, 2026: Cndair CL6002D24. RETAINER. DAMAGED. AFTER SEAL REMOVAL ELONGATE SEAL RETAINER HOLES OF ACCESS PANEL 331AL WAS FOUND. SEAL RETAINER OF ACCESS PANEL 331AL WAS (N480PX)
- [SDR SWAA2026091164233](https://openairdocs.org/sdr/SWAA2026091164233), Aug 18, 2026: Boeing 7377H4. SKIN. CRACKED. CRACK INDICATION FOUND ON HORIZONTAL STAB LOWER SKIN, RT SIDE. HSS 193.90, RIB INBD SIDE & 16.5 INCH FRONT SPAR TO REAR  (N498WN)
- [SDR FDEA202608181141](https://openairdocs.org/sdr/FDEA202608181141), Aug 18, 2026: Boeing 767300. SKIN PANEL. DENTED. DENT ON RH LWR HORIZONTAL IB FWD SKIN APPLIED PERMANENT REPAIR AT RH LWR HORIZONTAL I/B FWD SKIN IAW B757 SRM 51-70-10-2 (N135FE)
- [SDR ASAA2026081468108](https://openairdocs.org/sdr/ASAA2026081468108), Aug 14, 2026: Boeing 737890. SKIN. CRACKED. RIGHT HORIZONTAL STABILIZER LOWER SKIN HAS CRACK INDICATION INBOARD OF STAB STA 92.70 AS MARKED. GROUNDED - YES. ACCOMPL (N577AS)
- [SDR ASAA2026081468109](https://openairdocs.org/sdr/ASAA2026081468109), Aug 14, 2026: Boeing 737890. SKIN. CRACKED. RIGHT HORIZONTAL STABILIZER LOWER SKIN HAS CRACK INDICATION AT THE REAR SPAR BETWEEN STAB STA 120.30 AND 129.50. GROUNDE (N577AS)

All 7,879: https://openairdocs.org/jasc/5512/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 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 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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