- Registered owner
- Delta Air Lines Inc
- Location
- Atlanta, GA
- Owner type
- Corporation
- Serial number
- 11734
- Year built
- 2023
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- December 19, 2023
- Certificate issued
- December 19, 2023
- Expires
- December 31, 2030
- Mode S code
- A6FFC3
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 83
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2018 | 5 |
|---|---|
| 2019 | 8 |
| 2020 | 19 |
| 2021 | 14 |
| 2022 | 12 |
| 2023 | 15 |
| 2024 | 13 |
| 2025 | 22 |
| 2026 | 19 |
See all 127 ADs
Information bulletins that may apply · 2
Advisory, not mandatory.
Airframe · Airbus A321-271NX
SAIB NE-19-03Escape Slide Maintenance Tasks and Intervals - JASC 2565Engine · IAE PW1133GA-JM
SAIB 2026-11Theft of Turbofan Engine Parts before MutilationNTSB investigations
No NTSB investigations matched to N550DNMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Airbus A321-271NX aircraft
FAA incident reports
No FAA accident or incident reports matched to N550DNMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Airbus A321-271NX aircraft
Service difficulty reports · 9
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR DALA2026090304987Reheater · faultedFLIGHT ATTENDENTS REPORTED FUMES ON DESENT BETWEEN 15-13K: BOTH FORWARD & AFT. REPLACED NR 2 RE-HEATER IAW AMM 21-52 AND NR 2 OZONE FILTER IAW AMM 21-51. (LP 7698984, 1786729 - AIRCRAFT WAS GROUNDED).SDR DALA2026071204077Condenser · odorON ARRIVAL INTO LAX STRONG ODOR IN THE COCKPIT FROM 3000 TO TOUCHDOWN. AFT FLIGHT ATTENDANTS CONFIRMED ODOR IN THE BACK OF CABIN FOR AT LEAST 5 MINUTES. REPLACED LEFT CONDENSOR. (LP 8720746 - AIRCRAFT WAS GROUNDED)SDR DALA2026062903822Oil System · leakingFA'S REPORT CLORINE SMELL IN DESCENT LASTING FOR 5-7 MINS. FOUND OIL POOLING INSIDE #1 ENGINE INLET CONE. FOUND EVIDENCE OF OIL CONTAMINATION INSIDE #2 ENGINE INLET CONE AND OIL STREAKS COMING FROM #1 ENGINE INLET CONE VENT HOLES. REPLACED #1 ENG FAN SHAFT CSDR DALA2025120108745Spinner · contaminatedDIRTY SOCK SMELL REPORTED IN CABIN ON DESCENT. FOUND RESIDUE IN NBR 2 ENG SPINNER. REPLACED NBR 2 ENG FAN SHAFT SEAL IAW A321 AMM 72-11-01. (LP 8139172)SDR DALA2025120208792Oil System · leakingAIRCRAFT 5050, STARTING APU, WE TURNED APU BLEED ON AND AS SOON AS APU PACK AIR CAME ON AND OIL SMELL BURNING FROM COCKPIT VENTS. CORRECTIVE ACTION: REPLACED APU. (LP8139162, 1323700)SDR DALA2025111808413Seal · leakingFAS REPORTED SMOKE/FUMES "STRONG DIRTY SOCKS SMELL" ON APPROACH. FA'S REPORTED SMELL DISSIPATED SHORTLY AFTER LANDING. FOUND OIL WETTING FROM BACK OF SPINNER ON #1 ENG. REPLACED #1 ENGINE FAN SHAFT COVER SEAL PER A321 AMM 72-15. LEAK CHECK GOOD AFTER ENGINE SDR DALA2025111608366Seal · leakingAIRCRAFT 5050, INBOUND FA, REPORTED FUME EVENT ON DECENT AND STATED DIRTY SOCK AND ROTTEN EGG ODOR. CORRECTIVE ACTION: FOUND LEAKING OIL SEEPAGE AT #2 ENG FAN SHAFT SEAL BEHIND SPINNER CONE. REPLACED FAN SHAFT SEAL REF A321 AMM 72-11-01. (LP 8139106)SDR DALA2025072805620Hydraulic Line · leakingSHIP 5050 - MISC/DE - DECLARED EMERGENCY INTO JFK DUE TO LOSS OF THE YELLOW HYDRAULIC SYSTEM FLUID AFTER TAKE-OFF FROM SEA. CORRECTIVE ACTION: FOUND LEAKING FLARED AN CAP THAT WAS USED TO APPLY MEL 29-10-03 INSTEAD OF AN MS CAP. REPLACED CAP. (LP 7326094)SDR DALA2025052003854Seal · leakingAIRCRAFT 5050, FA REPORTED DIRTY SOCK SMELL IN AFT GALLEY AND FWD GALLEY AREAS WHILE IN JUMPSEAT ON APPROACH. CORRECTIVE ACTION: REPLACED NBR 2 FAN SHAFT COVER SEAL, AND SERVICED NBR 2 ENGINE OIL TO PROPER LEVEL. (7151787, 0972258)
STCs that may be installed · 91
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Airbus A321-271NX
STC ST12461IBInstallation of Cockpit Voice Recorder with optional RIPS UpgradeSTC ST00885LAInstallation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles.STC ST02528LAInstallation of the Thales Avionics, Inc. Data Transfer Device (DTD) or Solid State Drive (SSD) into the existing Cabin Media Loader (CML)
Earlier aircraft with this N-number · 1
This aircraft carried N550DN before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.