# JASC 5551: Horizontal Stabilizer, Attach Fittings

- Type: JASC system/component code (FAA)
- ATA chapter: 55 Stabilizers
- Title in the code table: HORIZONTAL STABILIZER, ATTACH FITTING
- Service difficulty reports: 672
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=52
- Page: https://openairdocs.org/jasc/5551

## What it covers

For specific reports pertaining to the fittings on the horizontal stabilizer which are used to support equipment within the structure.

## Service difficulty reports (672, newest 50)

- [SDR COEA2026072327803](https://openairdocs.org/sdr/COEA2026072327803), Mar 8, 2026: Aerosp ATR72212. FITTING. CORRODED. HORIZONTAL TO VERTICAL STAB AFT RT FITTING HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED FITTING PER ATR72 SRM 51-2 (N803FX)
- [SDR AALA202602269562](https://openairdocs.org/sdr/AALA202602269562), Feb 1, 2026: Boeing 737823. LUG. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT HAND HORIZONTAL STABILIZER REAR SPAR LOWER LUG AT BS 1147. REPAIRED PER  (N950NN)
- [SDR AALA202508076169](https://openairdocs.org/sdr/AALA202508076169), Aug 5, 2025: Airbus A319112. HINGE FITTING. EXCESS PLAY. AIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY ELEVATOR HINGE ARM END FITTING #2 ON LH HORIZONTAL STABILIZER. MAINTENANCE  (N768US)
- [SDR AALA202508077253](https://openairdocs.org/sdr/AALA202508077253), Aug 5, 2025: Airbus A319112. HINGE FITTING. EXCESS PLAY. AIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY ELEVATOR HINGE ARM END FITTING #1 ON LH HORIZONTAL STABILIZER. MSINTENANCE  (N768US)
- [SDR DALA2024071807242](https://openairdocs.org/sdr/DALA2024071807242), Jul 18, 2024: Airbus A319114. STABILIZER. DENTED. SHIP 3138 DENTS ON ACCESS PANEL 332AB ON LH HORIZONTAL STABILIZE. CORRECTIVE ACTION: PERFORMED REPAIR INSTRUCTIONS ON AC (N338NB)
- [SDR DALA2024030803155](https://openairdocs.org/sdr/DALA2024030803155), Mar 7, 2024: Boeing 737832. LUG. CORRODED. (LOG 0233989) RH STAB AFT LOWER LUG POSSIBLE SIGNS OF PITTING CORROSION AT FWD SIDE. REPAIRED RH HORIZONTAL STAB REAR LO (N387DA)
- [SDR DALA2024011500571](https://openairdocs.org/sdr/DALA2024011500571), Jan 15, 2024: Airbus A350941. UNKNOWN. UNKNOWN. AIRCRAFT 3507, RH HORT STAB THS LATERAL LOAD FITTING UPPER BUSHING FOUND MIGRATED GAP ONLY. CORRECTIVE ACTION: REPLACED  (N507DN)
- [SDR DALA2024011500570](https://openairdocs.org/sdr/DALA2024011500570), Jan 15, 2024: Airbus A350941. UNKNOWN. UNKNOWN. AIRCRAFT 3507, LH HORT STAB THS LATERAL LOAD FITTING LOWER BUSHING MIGRATED GAP ONLY. CORRECTIVE ACTION: REPLACED MIGRAT (N507DN)
- [SDR DALA2024011600666](https://openairdocs.org/sdr/DALA2024011600666), Jan 11, 2024: Bombdr BD1001A10. UNKNOWN. UNKNOWN. LH HORIZ. STAB. #2 RIB, ELEVATOR ATTACH FITTING, IS CRACKED AT LOWER AFT CORNER. SUMMARY SEE NR FOR ADDITIONAL INFORMATI (N301DU)
- [SDR EBVR450D121923001](https://openairdocs.org/sdr/EBVR450D121923001), Dec 19, 2023: Cessna 680CE. ATTACH FITTING. CORRODED. FRETTING CORROSION ON AFT HORIZONTAL ATTACH FITTINGS, ON THE HORIZONTAL STAB AND VERTICAL STAB. TEXTRON ENGINEERING PER  (N308QS)
- [SDR DALA2023103108961](https://openairdocs.org/sdr/DALA2023103108961), Oct 21, 2023: Airbus A319114. UNKNOWN. UNKNOWN. SHIP 3119 CORROSION ON INBOARD ELEVATOR SERVO CONTROL ACTUATOR RH HORIZONTAL STA BILIZER. CORRECTIVE ACTION: REPLACED I/ (N319NB)
- [SDR 2023F00302](https://openairdocs.org/sdr/2023F00302), Oct 10, 2023: Casa C212CC. FITTING. CRACKED. WHILE INVESTIGATING HORIZONTAL FITTINGS ON FUSELAGE SIDE DUE TO CRACKS IN FITTINGS, FOUND MATING FITTINGS ATTACHED TO HO (N604AR)
- [SDR DALA2023092907995](https://openairdocs.org/sdr/DALA2023092907995), Sep 24, 2023: Boeing 767332. UNKNOWN. UNKNOWN. SHIP 1702 EDDY CURRENT HFEC OPEN HOLE INSPECTION RIGHT HORIZONTAL STABILIZER PIVOT FITTING LOWER ATTACHMENTS GROUP A 01E (N172DZ)
- [SDR DALA2023092907994](https://openairdocs.org/sdr/DALA2023092907994), Sep 24, 2023: Boeing 767332. UNKNOWN. UNKNOWN. SHIP 1702 EDDY CURRENT HFEC OPEN HOLE INSPECTION LEFT HORIZONTAL STABILIZER PIVOT FITTING LOWER ATTACHMENTS GROUP A 02EA (N172DZ)
- [SDR DALA2023081106566](https://openairdocs.org/sdr/DALA2023081106566), Aug 7, 2023: Boeing 737832. UNKNOWN. UNKNOWN. (LOG 2906053) LEFT HORIZONTAL STABILIZER AFT LOWER LUG HAS CORROSION UNDER SEALER FWD AND AFT FACE. COMPLIED WITH ER/A 6 (N3767)
- [SDR DALA2023080706399](https://openairdocs.org/sdr/DALA2023080706399), Aug 4, 2023: Boeing 737832. UNKNOWN. UNKNOWN. (LOG 2901729) RT HOR. STAB LWR AFT ATTACH POINT BUSHING HAS CORROSION (STAB SIDE). REPAIR PER ER/A 610872-14 REV. ORIGIN (N3767)
- [SDR JTAA20230803001](https://openairdocs.org/sdr/JTAA20230803001), Aug 3, 2023: Casa C212CC. FITTING. CRACKED. DURING A 1Y, 2Y, 4Y CPCP INSPECTION OF THE EMPENNAGE OF S/N 289 IT WAS FOUND 6 OUT OF 8 OF THE HORIZONTAL STABILIZER FIT (N604AR)
- [SDR DALA2023080406311](https://openairdocs.org/sdr/DALA2023080406311), Aug 1, 2023: Boeing 737832. UNKNOWN. UNKNOWN. (LOG 2896503) RH HORIZONTAL STAB, AFT LOWER LUG HAS CORROSION ON AFT SIDE AROUND BUSHING. REPAIRED RH HORIZONTAL STAB AF (N381DN)
- [SDR ABXA20230515106](https://openairdocs.org/sdr/ABXA20230515106), Apr 27, 2023: Boeing 767383. PIVOT. CORRODED. DURING C21 IN HAECO AMERICAS C21 MAINTENANCE CHECK. DURING ACCOMPLISHMENT OF T/C ABX-55-552-00-01, MAINTENANCE DISCOVERE (N219CY)
- [SDR DALA2023040602691](https://openairdocs.org/sdr/DALA2023040602691), Apr 6, 2023: Airbus A350941. UNKNOWN. UNKNOWN. SUPPLEMENTAL: AIRCRAFT 3501, BUSHING MIGRATIONS WERE FOUND AT (QTY 3) LOCATIONS, AT LHS FITTING, UPPER BUSHING, AND RHS  (N501DN)
- [SDR DALA2023040602688](https://openairdocs.org/sdr/DALA2023040602688), Apr 6, 2023: Airbus A350941. UNKNOWN. UNKNOWN. AIRCRAFT 3501, BUSHING MIGRATIONS WERE FOUND AT (QTY 3) LOCATIONS, AT LHS FITTING, UPPER BUSHING, AND RHS FITTING BOTH U (N501DN)
- [SDR DALA2023011000177](https://openairdocs.org/sdr/DALA2023011000177), Jan 9, 2023: Airbus A319114. BUSHING. CORRODED. SHIP 3122 - CORROSION BUSHINGS LUGS ELEVATOR HINGE ARM 2 ON LH HORIZONTAL STABILIZER. CORRECTIVE ACTION: REPAIRED BORES  (N322NB)
- [SDR DALA2023011000176](https://openairdocs.org/sdr/DALA2023011000176), Jan 9, 2023: Airbus A319114. BUSHING. CORRODED. SHIP 3122 - CORROSION ELEVATOR HINGE ARM 6 BUSHING SHOULDERED ON LH HORIZONTAL STABILIZER. CORRECTIVE ACTION: REPAIRED B (N322NB)
- [SDR DALA2023011000175](https://openairdocs.org/sdr/DALA2023011000175), Jan 9, 2023: Airbus A319114. BUSHING. CORRODED. SHIP 3122 - CORROSION ELEVATOR HINGE ARM 5 BUSHING SHOULDERED ON LH HORIZONTAL STABILIZER. CORRECTIVE ACTION: REPAIRED A (N322NB)
- [SDR DALA2023011000174](https://openairdocs.org/sdr/DALA2023011000174), Jan 9, 2023: Airbus A319114. BUSHING. CORRODED. SHIP 3122 - CORROSION ELEVATOR BUSHING ON FITTING 1(1EA), ON LH HORIZONTAL STABILIZER. CORRECTIVE ACTION: REPAIRED BORE  (N322NB)
- [SDR SWIA202266795](https://openairdocs.org/sdr/SWIA202266795), Oct 27, 2022: Emb EMB110*. NONE. CORRODED. CORROSION ON INTERNAL SURFACE OF L/H HORIZONTAL STABILIZER ELEVATOR #1 HINGE FITTING BEARING. (C-CHECK RO 11/10/2022) RE (N259SY)
- [SDR DALA2022081605559](https://openairdocs.org/sdr/DALA2022081605559), Aug 10, 2022: Bombdr BD1001A10. HINGE FITTING. DAMAGED. REMOVED L/H ELEVATOR FOR ACCESS HINGE #2 AND #3 REPAIR. REMOVED L/H ELEVATOR PER A220 AMP 27-35 509872 PERFORMED REPAIRS (N125DU)
- [SDR SWIA202266437](https://openairdocs.org/sdr/SWIA202266437), Aug 2, 2022: Emb EMB110*. NONE. SCORED. L/H AFT HORIZONTAL STABILIZER HINGE FITTING IS SCORED ON THE INBOARD SIDE AS MARKED. (C-CHECK RO 9/02/2022) REPAIRED L/F (N607CZ)
- [SDR 2022F00284](https://openairdocs.org/sdr/2022F00284), Jul 11, 2022: Boeing 767. STABILIZER. DENTED. INTERIM REPAIR INSTALLED TO THE H-STAB RH LOWER SURFACE INSTALL PERMANENT REPAIR NEXT "C" CHECK. PERFORMED MAJOR REPAIR  (N703KW)
- [SDR SWIA202265583](https://openairdocs.org/sdr/SWIA202265583), May 14, 2022: Cndair CL6002C10. NONE. DAMAGED. L/H HSTA UPPER FITTING ASSY DAMAGE EVALUATED AND DETERMINED TO BE OUT OF LIMITS PER SRM 55-00-00 AND MHIRJ CUSTOMER SUPP (N743SK)
- [SDR SWIA202265582](https://openairdocs.org/sdr/SWIA202265582), May 14, 2022: Cndair CL6002C10. NONE. DAMAGED. R/H HSTA UPPER FITTING ASSY DAMAGE EVALUATED AND DETERMINED TO BE OUT OF LIMITS PER SRM 55-00-00 AND MHIRJ CUSTOMER SUPP (N743SK)
- [SDR SWIA202265581](https://openairdocs.org/sdr/SWIA202265581), May 12, 2022: Cndair CL6002C10. NONE. DAMAGED. DAMAGE FOUND ON H-STAB RH UPPER INBD & OUTBD FITTINGS EVALUATED AND DETERMINED TO BE OUT OF LIMITS PER SRM 55-11-27. / D (N743SK)
- [SDR SWIA202265580](https://openairdocs.org/sdr/SWIA202265580), May 12, 2022: Cndair CL6002C10. NONE. DAMAGED. DAMAGE FOUND ON H-STAB LH UPPER INBD & OUTBD FITTINGS EVALUATED AND DETERMINED TO BE OUT OF LIMITS PER SRM 55-11-27. / R (N743SK)
- [SDR SWIA202264903](https://openairdocs.org/sdr/SWIA202264903), Feb 18, 2022: Cndair CL6002B19. NONE. FAILED. DURING INSTALL OF HORIZONTAL STABILIZER INSUFFICIENT CLEARANCE WAS FOUND ON RH SIDE OF STEADY T FITTING AND SLIDER BLOCK (N877AS)
- [SDR SWIA202264794](https://openairdocs.org/sdr/SWIA202264794), Feb 17, 2022: Emb ERJ170200LR. NONE. BINDS. RH HORIZONTAL STABILIZER #2 HINGE BEARING IS BINDING/RATCHETING. (C CHECK RO 03/07/2022) REMOVED AND REPLACED RH HORIZON (N108SY)
- [SDR SWIA202264793](https://openairdocs.org/sdr/SWIA202264793), Feb 17, 2022: Emb ERJ170200LR. NONE. BINDS. RH HORIZONTAL STABILIZER #3 HINGE BEARING IS BINDING/RATCHETING. (C CHECK RO 03/07/2022) REMOVED AND REPLACED RH HORIZON (N108SY)
- [SDR SWIA202264572](https://openairdocs.org/sdr/SWIA202264572), Feb 1, 2022: Emb ERJ170200LR. NONE. SEIZED. LH ELEVATOR HINGE #1 AND 3 BOLTS THAT ATTACH THE HINGE TO THE ELEVATORS SURFACE WERE FOUND SEIZED DURING REMOVAL. (C CHE (N241SY)
- [SDR DALA2022011000162](https://openairdocs.org/sdr/DALA2022011000162), Jan 6, 2022: Boeing 737832. NONE. NONE. (LOG 2077530) DURING INSPECTION FOUND LH HORIZONTAL STABILIZER ATTACH POINTS HAVE CORROSION ON AFT FACE OF LOWER AFT LUG (N397DA)
- [SDR DALA2022010600095](https://openairdocs.org/sdr/DALA2022010600095), Jan 4, 2022: Boeing 737832. NONE. NONE. (LOG 2075395) DURING INSPECTION FOUND LH SLIDING SEAL: WEAR ON FORWARD LOWER FITTING JUST BESIDE LOWER LUG. WEAR ON FORW (N397DA)
- [SDR AALA202112139246](https://openairdocs.org/sdr/AALA202112139246), Dec 7, 2021: Airbus A319112. BRACKET. BROKEN. AIRCRAFT IN BASE MAINTENANCE: BROKEN TRAILING EDGE HINGE ARM BRACKET 2 ON RIGHT HORIZONTAL STABILIZER (1 EA). REPLACED B (N758US)
- [SDR AALA202112138810](https://openairdocs.org/sdr/AALA202112138810), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 1 FITTING ON LEFT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE  (N758US)
- [SDR AALA202112137416](https://openairdocs.org/sdr/AALA202112137416), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 6 FITTING ON LEFT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE  (N758US)
- [SDR AALA202112136213](https://openairdocs.org/sdr/AALA202112136213), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 6 FITTING ON RIGHT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE (N758US)
- [SDR AALA202112132033](https://openairdocs.org/sdr/AALA202112132033), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 2 FITTING ON LEFT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE  (N758US)
- [SDR AALA202112136305](https://openairdocs.org/sdr/AALA202112136305), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 2 FITTING ON RIGHT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE (N758US)
- [SDR AALA202112139522](https://openairdocs.org/sdr/AALA202112139522), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 3 FITTING ON LEFT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE  (N758US)
- [SDR AALA202112138895](https://openairdocs.org/sdr/AALA202112138895), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 3 FITTING ON RIGHT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE (N758US)
- [SDR AALA202112135555](https://openairdocs.org/sdr/AALA202112135555), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 4 FITTING ON RIGHT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE (N758US)
- [SDR AALA202112132101](https://openairdocs.org/sdr/AALA202112132101), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT WAS NOT GROUNDED: WEAR ON ELEVATOR HINGE ARM 4 ON LEFT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE ARM END FIT (N758US)
- [SDR AALA2021121138286](https://openairdocs.org/sdr/AALA2021121138286), Dec 7, 2021: Airbus A319112. HINGE ARM. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR ON ELEVATOR HINGE ARM 5 FITTING ON LEFT HORIZONTAL STABILIZER (1 EA). REPLACED HINGE  (N758US)

All 672: https://openairdocs.org/jasc/5551/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 (5,955 reports)
- [JASC 5511](https://openairdocs.org/jasc/5511): Horizontal Stabilizer, Spar/Rib (6,445 reports)
- [JASC 5512](https://openairdocs.org/jasc/5512): Horizontal Stabilizer, Plate/Skin (7,877 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 (2,774 reports)
- [JASC 5520](https://openairdocs.org/jasc/5520): Elevator Structure (5,381 reports)
- [JASC 5521](https://openairdocs.org/jasc/5521): Elevator, Spar/Rib (519 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 (321 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 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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