# Service difficulty reports: N335DN A list on [N335DN](https://openairdocs.org/aircraft/N335DN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2026030401485](https://openairdocs.org/sdr/DALA2026030401485.md): Power Supply · faulted · Mar 4, 2026 · N335DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3035, EMERGENCY LIGHTS INOP ON ROWS 33-35 AND 38-39. CORRECTIVE ACTION: REPLACED EPSU AND BATTERY. REF A321 AMM 33-51. (LP 8280842) - [SDR DALA2026022701385](https://openairdocs.org/sdr/DALA2026022701385.md): Cids · faulted · Feb 27, 2026 · N335DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3035, RT SIDE EMER EXIT LIGHTS INOP. CORRECTIVE ACTION: REPLACED CIDS DIRECTOR #1 PER A321 AMM 27-73. ALL SOFTWARE CONFIRMED CORRECT. REPLACED DEU TERMINATION BOX ON 300HR8 PER A321 AMM 23-73-01. (LP 8280824) - [SDR DALA2026020800893](https://openairdocs.org/sdr/DALA2026020800893.md): Power Supply · faulted · Feb 7, 2026 · N335DN · Airbus A321213 · Emergency Lighting > FA REPORTS EMERGENCY LIGHTS TURNING ON AND OFF IN THE CABIN. PERFORMED OPS CHKD EMERGENCY POWER SUPPLY UNITS BITE PER TSM 33-51-00-710-001-A. TEST FAULTS EPSU 13WL AFT L CLASS 1. 984478. REPLACED EPSU 13WL REF A321 AMM 33-51.SYS TEST NML. (LP 6871642) - [SDR DALA2025122309350](https://openairdocs.org/sdr/DALA2025122309350.md): Power Supply · inoperative · Dec 22, 2025 · N335DN · Airbus A321213 · Emergency Lighting > DURING EMERGENCY LIGHTS TEST FOUND MULTIPLE LIGHTS INOP, AND FAULT MESSAGE EPSU (11WL) EMER L. REPLACED EPSU PER REF A321 AMM 33-51-38. (LP 4396068) - [SDR DALA2025121309111](https://openairdocs.org/sdr/DALA2025121309111.md): Battery Pack · inoperative · Dec 13, 2025 · N335DN · Airbus A321213 · Emergency Lighting > DURING CIDS TEST RECIEVED FAULT EPSU (11WL) EMER LIGHT. REPLACED EPSU/BATTERY, BITE AND OPS TEST C/W. (LP 4396029) - [SDR DALA2024040504110](https://openairdocs.org/sdr/DALA2024040504110.md): Connector · shorted · Apr 4, 2024 · N335DN · Airbus A321213 · Light System Wiring > AIRCRAFT 3035, FLOOR EMERGENCY LIGHTS AT ROWS 15, 16, 36, 37 INOP. CORRECTIVE ACTION: FOUND MULTIPLE SEAT LIGHTS INOP ASSOCIATED WITH 11WL ESPU. T/S PER A321 TSM 33-51-00-810-834-A. FOUND SHORT ON - B PIN AT CONNECTOR 11WL. FOUND WIRES PULLED OUT OF CONNECTOR - [SDR DALA2024032503721](https://openairdocs.org/sdr/DALA2024032503721.md): Connector · shorted · Mar 23, 2024 · N335DN · Airbus A321213 · Light System Wiring > AIRCRAFT 3035, ON SVC CHECK FOUND EMER LIGHTS INOP AT SEAT ROWS 15, 16, 19, 20, 23, 24, 30, 31, 32, 36, AND 37. CORRECTIVE ACTION: FOUND SHORT TO GROUND NEAR CONNECTOR 7260VC13. REPAIRED PER ESPM 20-53 REF A321 WDM 33-51-08. REPLACED EPSU 11WL PER A321 AMM 33- - [SDR DALA2024030803179](https://openairdocs.org/sdr/DALA2024030803179.md): Power Supply · no test · Mar 8, 2024 · N335DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3035, EPSU SYS TEST FAULTING: EPSU (11WL) EXT L. MULITPLE EMERGENCY LIGHTS OUT IN MID CABIN. CORRECTIVE ACTION: REPLACED EPSU IAW A321 33-51-00 AMM. OPS CK GOOD. (LP5452224) - [SDR DALA2024021101846](https://openairdocs.org/sdr/DALA2024021101846.md): Power Supply · inoperative · Feb 11, 2024 · N335DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3035, ASILE EMERGANCY LIGHTS @ 15,16,19,20,23,24,30,31,32,36, AND 37 NOT WORKING. CORRECTIVE ACTION: REPLACED EMERGANCY POWER SUPPLY UNIT (EPSU) IAW A321 AMM 33-51. (LP 5575814) - [SDR DALA2024020301513](https://openairdocs.org/sdr/DALA2024020301513.md): Battery · inoperative · Feb 1, 2024 · N335DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3035, ON L/O FOUND SECTIONS OF CENTER SEAT LIGHTS INOP. CORRECTIVE ACTION: REPLACED BATTERY AND POWER SUPPLY UNIT AT L3 DOOR. SYS TEST GOOD. (LP 5090487) - [SDR DALA2024012100901](https://openairdocs.org/sdr/DALA2024012100901.md): Seal · leaking · Jan 18, 2024 · N335DN · Airbus A321213 · Cargo/Baggage Doors > SHIP 3035 - DIV - TO IAD DUE TO AN EXCESSIVE CABIN ALTITUDE ECAM MESSAGE. WHILE LEVEL AT FL 350, CABIN PRESSURE WARNING MESSAGE, CABIN ALTITUDE WAS 9700 AND INCREASING QUICKLY DESCEND TO FL 290, CABIN ALTITUDE WAS STEADY AT 8600 DP 6.1 SECOND. CPC-1 WAS ALREAD - [SDR DALA2024011800755](https://openairdocs.org/sdr/DALA2024011800755.md): Connector · disconnected · Jan 17, 2024 · N335DN · Airbus A321213 · Emergency Lighting > SHIP 3035 DOOR 4L EMERGENCY LIGHT INOP. CORRECTIVE ACTION:RE-CONNECTED EMERGENCY LIGHT IAW A321 AMM 33-51-11 OPS TEST GOOD IAW A321 AMM 33-51-00. (5090430) - [SDR DALA2024011800754](https://openairdocs.org/sdr/DALA2024011800754.md): Wire · damaged · Jan 17, 2024 · N335DN · Airbus A321213 · Light System Wiring > SHIP 3035 SEAT 5B EMERGENCY PATH LIGHT INOP. CORRECTIVE ACTION: INSTALLED NEW SPLICE UNDER SEAT 5B IAW A321 ESPN 20-43-11, OPS TEST GOOD IAW A321 AMM 33-51-00. (5090429) - [SDR DALA2024011700683](https://openairdocs.org/sdr/DALA2024011700683.md): Sidewall Support · cracked · Jan 15, 2024 · N335DN · Airbus A321213 · Fuselage Miscellaneous Structure > SHIP 3035 FWD CARGO COMPARTMENT SIDEWALL SUPPORT AT FR35.1 AND STGR35 RT IS CRACKED. CORRECTIVE ACTION: REMOVED AND REPLACED FWD CARGO COMPARTMENT SIDEWALL SUPPORT AT FR 35.1 AND STR 35 RT IAW A321 SRM 51-42-11-801, AIRBUS DWG C4 E532 15543, AND ER/A 61770-14 - [SDR DALA2024010900362](https://openairdocs.org/sdr/DALA2024010900362.md): Unknown · unknown · Jan 8, 2024 · N335DN · Airbus A321213 · Trailing Edge Flaps > SHIP 3035 R/H O/B MAIN FLAP I/B GUIDE ROLLER IS DAMAGED. CORRECTIVE ACTION: REPLACED RH O/B MAIN FLAP I/B GUIDE ROLLER PER A321 CMM 57-55-21 AND PER A321 AMM 20-21-11 AND ADJUSTMENT CHECK GOOD PER 321 AMM 27-54-62-400-002-A STEP 4.L(1) THRU (2)(G) OPS CHECK GO - [SDR DALA2024010900361](https://openairdocs.org/sdr/DALA2024010900361.md): Unknown · unknown · Jan 8, 2024 · N335DN · Airbus A321213 · Leading Edge Slat Actuator > SHIP 3035 SLAT PCU REQUIRES REPLACEMENT DUE TO HIGH OIL CONSUMPTION. CORRECTIVE ACTION: REMOVED AND REPLACED SLAT PCU PER A321 AMM 27-84-51. OPS CHECK GOOD. (0146550) - [SDR DALA2024011600645](https://openairdocs.org/sdr/DALA2024011600645.md): Unknown · unknown · Dec 31, 2023 · N335DN · Airbus A321213 · Elevator Structure > SHIP 3035 RH ELEVATOR #1 SERVO SAFETY TAB ON THE ELEVATOR HINGE BRACKET IS BROKEN. CORRECTIVE ACTION: R/R RH ELEVATOR PER A321 AMM 27-34-41. OPS CHECK GOOD. (0133805) - [SDR DALA2021061403222](https://openairdocs.org/sdr/DALA2021061403222.md): Fan · odor · Jun 10, 2021 · N335DN · Airbus A321211 · Air Distribution Fan > STRONG FUMES IN FLIGHT DECK ENROUTE. COMPLIED WITH SMOKE/FUMES/ AVIONICSSMOKE QRH PROCEDURE. FWD CABIN FAN AMBER INDICATION ON ECAM COND PAGE. ODER DISSIPATED WHEN CABIN FANS PB OFF. REMOVED LH/FAN1 RECIRC FAN. FOUND WORN AND LOOSE (15HG). INSTALLED NEW FAN AN - [SDR DALA2021030101175](https://openairdocs.org/sdr/DALA2021030101175.md): Light · broken · Feb 24, 2021 · N335DN · Airbus A321211 · Emergency Lighting > EMERGENCY LIGHT ON SEAT 21C BROKEN. DEFERRED PER MEL 33-50-03B. PLACARD INSTALLED. NO (M) PROCEDURE. R/R EMERGENCY LT. ASSY. SEAT 21C REF A 319 AMM 33-51. MEL AND PLACARD REMOVED M PROCEDURES C/W. (LP# 7665160) - [SDR DALA2021012800540](https://openairdocs.org/sdr/DALA2021012800540.md): Warning Message · false indication · Jan 28, 2021 · N335DN · Airbus A321211 · Smoke Detection > SMOKE ECAM WARN 3 TIMES - FLT ATT ADVISED BOTH AFT LAV AND MID LAV WARN - NO VISUAL SIGNS OF SMOKE LOG-PAGE UPDATED AT 28JAN21 0602 UTC 02 CORR BY ZOHNER 00583072 BZN 28JAN21 ATA 2617 RII: N ENTR 00688631 W. CONTRACT MAINTENANCE EVENT - OCM: 230562. PERFORME - [SDR DALA202009113039](https://openairdocs.org/sdr/DALA202009113039.md): Door · obstructed · Sep 8, 2020 · N335DN · Airbus A321211 · Door Warning System > SHIP 3035, FWD FLIGHT ATTENDANT PANEL CAUTION MESSAGE AFTER FWD DOOR CLOSED. CORRECTIVE ACTION: REMOVED DEBRIS, CYCLED DOOR AND ARMED MULITIPLE TIMES, OPS CHECK. - [SDR DALA201811216742](https://openairdocs.org/sdr/DALA201811216742.md): Lens · damaged · Nov 19, 2018 · N335DN · Airbus A321211 · Emergency Lighting > EMERGENCY EXIT COVER DIFFUSER LENS DAMAGED, SECURED LIGHT COVER 1R - [SDR DALA2018091005568](https://openairdocs.org/sdr/DALA2018091005568.md): Lens · unsecure · Sep 10, 2018 · N335DN · Airbus A321211 · Emergency Lighting > EMERGENCY SEAT 1L MOUNTED LIGHTING DAMAGED. RESECURED LENS. - [SDR DALA201806214122](https://openairdocs.org/sdr/DALA201806214122.md): Light · inoperative · Jun 19, 2018 · N335DN · Airbus A321211 · Emergency Lighting > SEAT 1B MOUNTED EMERGENCY LIGHT WAS INOPERATIVE. REPLACED THE EMERGENCY LIGHT. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N335DN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N335DN/reports --- 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.