# STC ST12369IB - Type: Supplemental type certificate - Status: Current, Issued - Holder: Avianor Inc., Canada - Description: Replacement of flight attendant seat restraints, dress covers and cushion assemblies - Applied: September 26, 2025 - Status date: April 21, 2026 - Product: Aircraft, Large Airplane - Certification basis: Part 25 - Foreign approvals: TCCA STC #O-LSA25-053/D @ Issue 1 dated 06/30/2025 - Data sheets: [TCDS A28NM](https://openairdocs.org/tcds/A28NM) - Certificate PDF: https://openairdocs.org/files/sha256/68/f8/68f8bd27db2e2019008b3887dba86c5454424b5f3e8199810af73fc3bc0ef199 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173692661620260423151542.0001 - DRS record last changed: April 23, 2026 - Page: https://openairdocs.org/stc/ST12369IB ## ADs that name it (0) None. ## Approved models (1) - Airbus SAS A321-211 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. 11805 Service Road A-5 Montreal International Airport (Mirabel) Mirabel, Quebec Canada J7N 1A1 Part 25 Title 14, Code of Federal Regulations A28NM Airbus S.A.S. A321-211 1. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. 2. The installer must determine whether this design change is compatible with previously approved modifications. (See continuation sheet 4 of 4) 09/26/2025 04/21/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4 1. Replacement of flight attendant seat restraints, dress covers and cushion assemblies must be in accordance with Avianor Master Document List MDL24132901, Rev. A, dated August 1, 2025, or later Transport Canada Civil Aviation (TCCA) approved revisions for A321-211 MSNs 5328, 5354, 5377, 5681, 5733, 5808, 5849, 6210, 6232, 6844, 6873, 6884, 6905, 7117, 7433, 7650, 8104, and 8232. 2. Replacement of flight attendant seat restraints, dress covers and cushion assemblies must be in accordance with Avianor Master Document List MDL24132902, Rev. B, dated September 2, 2025, or later TCCA approved revisions for A321-211 MSN 5038. 3. Maintenance must be in accordance with Avianor Component Maintenance Manual Supplements as follows for A321-211 MSNs 5328, 5354, 5377, 5681, 5733, 5808, 5849, 6210, 6232, 6844, 6873, 6884, 6905, 7117, 7433, 7650, 8104, and 8232: a. 25-20-530, Rev. A, Supplement to Goodrich CMM 25-72-22, F/A Seats 2128 EBJ-Series dated July 23, 2025, or later TCCA accepted revisions. b. 25-20-531, Rev. A, Supplement to Goodrich CMM 25-72-23, F/A Seats 2130 FBJ-Series dated July 23, 2025, or later TCCA accepted revisions. c. 25-20-532, Rev. A, Supplement to Goodrich CMM 25-72-24, F/A Seats 2127 EBJ-Series dated July 23, 2025, or later TCCA accepted revisions. d. 25-20-533, Rev. A, Supplement to Goodrich CMM 25-72-92, F/A Seats 2128 ABR-Series dated July 23, 2025, or later TCCA accepted revisions. e. 25-20-534, Rev. A, Supplement to Goodrich CMM 25-72-94, F/A Seats 2127 ABR-Series dated July 23, 2025, or later TCCA accepted revisions. f. 25-20-535, Rev. A, Supplement to Goodrich CMM 25-73-93, F/A Seats 2128 ECC-Series dated July 23, 2025, or later TCCA accepted revisions. g. 25-20-536, Rev. A, Supplement to Goodrich CMM 25-73-95, F/A Seats 2127 ECC-Series dated July 23, 2025, or later TCCA accepted revisions. h. 25-20-537, Rev. A, Supplement to Goodrich CMM 25-75-56, F/A Seats 2128 ECN-Series dated July 23, 2025, or later TCCA accepted revisions. i. 25-20-538, Rev. A, Supplement to Goodrich CMM 25-75-57, F/A Seats 2127 ECN-Series dated July 23, 2025, or later TCCA accepted revisions. j. 25-20-539, Rev. A, Supplement to Goodrich CMM 25-77-12, F/A Seats 2128 ECM-Series dated July 23, 2025, or later TCCA accepted revisions. k. 25-20-540, Rev. A, Supplement to Goodrich CMM 25-77-18, F/A Seats 2127 ECM-Series dated July 23, 2025, or later TCCA accepted revisions. 4. Maintenance must be in accordance with Avianor Component Maintenance Manual Supplements as follows for A321-211 MSN 5038: a. 25-20-529, Rev. NC, Supplement to Sicma / Zodiac CMM 25-12-14, F/A Seats FA-Series dated March 25, 2025, or later TCCA accepted revisions. b. 25-20-543, Rev. NC, Supplement to Sicma / Zodiac CMM 25-12-13, F/A Seats RL-Series dated April 7, 2025, or later TCCA accepted revisions. c. 25-20-544, Rev. NC, Supplement to Sicma / Zodiac CMM 25-12-15, F/A Seats WA-Series dated April 8, 2025, or later TCCA accepted revisions. 3. This STC is applicable to serial numbers 5038, 5328, 5354, 5377, 5681, 5733, 5808, 5849, 6210, 6232, 6844, 6873, 6884, 6905, 7117, 7433, 7650, 8104, and 8232 for this Make-Model. ----------END---------- 4 4 ## Every issue (1) - April 21, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/68/f8/68f8bd27db2e2019008b3887dba86c5454424b5f3e8199810af73fc3bc0ef199) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.