# Service difficulty reports: N304DN A list on [N304DN](https://openairdocs.org/aircraft/N304DN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2026070203883](https://openairdocs.org/sdr/DALA2026070203883.md): Unknown · odor · Jul 1, 2026 · N304DN · Airbus A321213 · Air Distribution System > UPON ENTERING JET ENTIRE CREW NOTICED A MUSTY ODOR BETTER W/PACKS OFF BUT STRONG ODOR LINGERED. REPLACED APU IN WORKPACKAGE FORECAST 31-4910-9-0010. (LP 9075450 - AIRCRAFT WAS GROUNDED) - [SDR DALA2025101907621](https://openairdocs.org/sdr/DALA2025101907621.md): Lamp · inoperative · Oct 18, 2025 · N304DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3004, OVERHEAD EMERGENCY LIGHT AT ROW 34 INOP. CORRECTIVE ACTION: RELAMPED LIGHT PER A 321 AMM 3351 OPS CHECK GOOD. (LP 7843159) - [SDR DALA2025062304666](https://openairdocs.org/sdr/DALA2025062304666.md): Power Supply · inoperative · Jun 22, 2025 · N304DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3004, DURING SERVICE CHECK FOUND EMERGENCY LIGHTS I IN ROW 37, 36, 32, 31, 30, 24, 23, 20, 19, 16 AND 15 INOP. CORRECTIVE ACTION: REPLACED 11WL EPSU. (LP 7169283) - [SDR DALA2025062004621](https://openairdocs.org/sdr/DALA2025062004621.md): Pump · leaking · Jun 18, 2025 · N304DN · Airbus A321213 · Hydraulic Pump (Electric/Engine), Main > SHIP 3004 - MISC/DE - DUE TO LOSS OF BLUE HYDRAULIC SYSTEM (HYD B RSVR LO LVL ECAM WARNING). CORRECTIVE ACTION: FOUND A LEAK AT THE BLUE ELECTRIC PUMP (2075GJ), REPLACED BLUE SYSTEM ELECTRIC PUMP. (LP 7169272) - [SDR DALA2024040103933](https://openairdocs.org/sdr/DALA2024040103933.md): Cover · missing · Mar 28, 2024 · N304DN · Airbus A321213 · Trailing Edge Flaps > AIRCRAFT 3004, FOUND LH #4 FIXED FLAP TRACK BOTTOM COVER MISSING. CORRECTIVE ACTION: REPLACED COVER IAW A321 AIPC 57-55-05-24D ITEM 20. OK FOR SERVICE AT THIS TIME. (LP 5523679) - [SDR DALA2024020201492](https://openairdocs.org/sdr/DALA2024020201492.md): Lens · missing · Feb 1, 2024 · N304DN · Airbus A321213 · Emergency Lighting > AIRCRAFT 3004, OVERHEAD EMERGENCY LIGHT LENS ABOVE ROWS 1 AND 4 ARE MISSING. CORRECTIVE ACTION: INSTALLED LENS COVERS. (LP 5018293) - [SDR DALA2024010800234](https://openairdocs.org/sdr/DALA2024010800234.md): Unknown · unknown · Jan 6, 2024 · N304DN · Airbus A321213 · Emergency Equipment > SHIP 3004 R1 DOOR ASSIST CYL REQUIRES SVC. CORRECTIVE ACTION: SERVICED R1 DOOR ASSIST CYL IAW A321 AMM 52-10-00. OK FOR SERVICE. (5018200) - [SDR DALA2023112309658](https://openairdocs.org/sdr/DALA2023112309658.md): Unknown · unknown · Nov 22, 2023 · N304DN · Airbus A321213 · Passenger/Crew Doors > SHIP 3004 4L DOOR WONT ARM. CORRECTIVE ACTION: REMOVED DEBRIS PER A321 AMM 52-12. (4298858) - [SDR DALA2023051803964](https://openairdocs.org/sdr/DALA2023051803964.md): Unknown · unknown · May 14, 2023 · N304DN · Airbus A321213 · Service Doors > LAV DOOR MISSING. DEFERRED TO CDL PER 52-00-01. M PROCEDURES C/W AND PLACARD INSTALLED. (LP# 4125614) - [SDR DALA2021110906914](https://openairdocs.org/sdr/DALA2021110906914.md): None · none · Nov 3, 2021 · N304DN · Airbus A321211 · Emergency Lighting > ON SVC CK FOUND CABIN EMERGENCY PATHWAY LIGHTS INOP AT SEATROWS 13ABC AND 14ABC. FOUND WIRE BROKEN FROM ELECTRICAL PLUG AT SIDEWALL AFT OF 13ABC. RETERMINATED WIRES PER A321 ESPM. LIGHT AT 14ABC WORKS. FOUND LIGHT ASSY AT 13ABC DAMAGED (A KRUPA 963802) REPLACE - [SDR DALA2020102303450](https://openairdocs.org/sdr/DALA2020102303450.md): Housing · inoperative · Oct 20, 2020 · N304DN · Airbus A321211 · Emergency Lighting > EMERGENCY SEAT MOUNTED LIGHTING DAMAGED/INOPERABLE LOCATIONS:29C. CORRECTIVE ACTION: REMOVED AND REPLACED EMERGENCY LIGHT HOUSING 29C, PER A321 AMM 33-51 OPS NORMAL. - [SDR DALA2019123097606](https://openairdocs.org/sdr/DALA2019123097606.md): Light · unsecure · Dec 27, 2019 · N304DN · Airbus A321211 · Emergency Lighting > EMERGENCY SEAT 28 MOUNTED LIGHTING DETACHED, ATTACHED LIGHT ASSY - [SDR DALA2019052903318](https://openairdocs.org/sdr/DALA2019052903318.md): Connector · disconnected · May 29, 2019 · N304DN · Airbus A321211 · Light System Wiring > FOUND L4 DOOR EMERGENCY LIGHT 33WL AND EXIT SIGN 45WL INOP, FOUND CONNECTOR 7245VC DISCONNECTED, RECONNECTED SAME. - [SDR DALA2019040702287](https://openairdocs.org/sdr/DALA2019040702287.md): Light · inoperative · Mar 17, 2019 · N304DN · Airbus A321211 · Emergency Lighting > EMERGENCY PATH LIGHT AT SEAT 27C INOP, INSTALLED NEW FLOOR PROXIMITY ESCAPE PATH LIGHT ASSY @ SEAT 27C - [SDR DALA201804242769](https://openairdocs.org/sdr/DALA201804242769.md): Fairing · cracked · Apr 22, 2018 · N304DN · Airbus A321211 · Nacelle/Pylon, Main Frame > NR 1 AFT PYLON FIXED FAIRING CRACKED AT RIB 15. THE FAIRING WAS REPAIRED IAW AMDS 5450-01052-06A. - [SDR DALA201804242768](https://openairdocs.org/sdr/DALA201804242768.md): Fairing · cracked · Apr 22, 2018 · N304DN · Airbus A321211 · Nacelle/Pylon, Main Frame > NR 2 PYLON AFT FIXED FAIRING, UPPER SPAR IS CRACKED AT RIB 15, REPAIRED IAW AMDS 5450-01052-06B. - [SDR DALA2018032001829](https://openairdocs.org/sdr/DALA2018032001829.md): Power Supply · inoperative · Mar 17, 2018 · N304DN · Airbus A321211 · Emergency Lighting > SEVERAL EMERGENCY LIGHTS AT SEAT ROWS INOPERATIVE, REPLACED THE EPSU 11WL UNIT. - [SDR DALA2017091106814](https://openairdocs.org/sdr/DALA2017091106814.md): Light · damaged · Sep 8, 2017 · N304DN · Airbus A321211 · Emergency Lighting > FOUND THE EMERGENCY LIGHT AT SEAT 18C DAMAGED, REPLACED THE LIGHT ASSEMBLY. ## 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 = 'N304DN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N304DN/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.