- Registered owner
- Delta Air Lines Inc
- Location
- Atlanta, GA
- Owner type
- Corporation
- Serial number
- 11082
- Year built
- 2022
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- November 16, 2022
- Certificate issued
- November 16, 2022
- Expires
- November 30, 2029
- Mode S code
- A68D02
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 PW1133G-JM
SAIB 2026-11Theft of Turbofan Engine Parts before MutilationNTSB investigations
No NTSB investigations matched to N521DTMatched 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 N521DTMatched 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 · 11
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR DALA2026090405002Spinner · leakingATB, DUE TO F/AS REPORTING A DIRTY SOCK SMELL IN THE CABIN. PERFORMED ISOLATION RUNS WITH P TRAK AND NOTED RIGHT ENGINE SPIKES. AFTER RUN NOTED LEAKS OUT OF THE SPINNER AND ON FEGV'S AND FAN EXIT STATOR AREA. REPLACED FSCS AND PERFORMING LEVEL B DECONTAMINASDR DALA2026071104071Battery Pack · faultedDURING SVC. EPSU BAT (17WL) FAULT ON CIDS. REPLACED 17WL BATTERY PER A321 AMM 33-51. FUNCTION TEST AND BITE TEST PASS. NO FAULTS. (LP 8765908 - AIRCRAFT WAS GROUNDED)SDR DALA2026042502629Engine · odorON TAXI IN TO BOS FA'S IN AFT OF THE AIRCRAFT NOTICED A MILDEW/DIRTY SOCK ODOR THAT BEGAN ON FINAL JUST BEFORE GEAR EXTENTION. NO PAX NOTICED IT AND THE SMELL DISIPATED AFTER BLOCK IN. APU BLEED WAS NOT USED. REPLACED NR 2 ENGINE. (LP 8537300 - AIRCRAFT WAS SDR DALA2026041602411Seal · leakingAIRCRAFT 5021, AFTER SHUTDOWN, WHEN SWITHING TO APU BLEED AIR SOURCE, STRAG SMELL OF EXHAUST FUMES & DIRTY COCK ODOR IN CABIN. FOUND LEAK ON #2 ENG REPLACED #2 ENG FAN SHAFT SEAL AS PER A321N AMM 72-00-00-210-813-A LEAK CHECK OK. PERFORMEDED LEVEL B DECONTAMSDR DALA2026010600118Unknown · odorCREW DONNED OXYGEN MASKS AT 4000 FT. DUE TO A DIRTY SOCK-SWEET ODOR DURING THE APPROACH. COULD NOT DUPLICATE. NO SOURCE OF ODOR WAS FOUND. PERFORMED LEVEL B DECONTAMINATION. (LP 8120872)SDR DALA2025111508365Control Unit · faultedAIRCRAFT 5021, ON GROUND SMOKE FROM GASPER VENT, ECAM AVIONICS SMOKE MESSAGE ACTIVATED AND EXTINGUISHED AFTER C/B TRIPPED. BRK 1 FAULT MESSAGE REMAINED. CORRECTIVE ACTION: REPLACED BSCU PER A321 AMM 32-42. (LP 8138406)SDR DALA2025072105451Filter · cloggedSHIP 5021- DIV - RIGHT ENGINE OIL FILTER CLOG MESSAGE AND ODM CHIP COUNT INCREASE. CORRECTIVE ACTION: INSPECTED OIL FILTER AND CHIP DETECTORS, NO TROUBLE FOUND. DEFERRED OIL FILTER CLOG INDICATION TO MEL. LATER, REPLACED NBR 2 ENGINE MAIN OIL FILTER AND OIL DESDR DALA2025050903641Seal · leakingSHIP 5021 F/A REPORTED SMELL OF FUMES DESCENDING THROUGH 9000 FT. CORRECTIVE ACTION: COMPLETED W/C 0550-2002 STEP 1-4, ENG #2 FOUND EVIDENCE OF OIL ON SPINNER CONE. R/R FAN SHAFT COVER SEAL PER A320 AMM 72-15, LEAK CHECK OK. (7510928)SDR DALA2025043003340Light · unknownSHIP 5021 GREEN EMERGENCY EXIT LIGHT IN AFT CABIN DID NOT ILLUMINATE NORMALLY WHEN GEAR CAME DOWN. CORRECTIVE ACTION: RESET CIDS. PERFORMED OPS TEST OF EMERGENCY LIGHTING IN THE CABIN PER A321 AMM 33-51. ALL LIGHTS OPS NORMAL. (7510913)SDR DALA2024123012098Power Supply · no testAIRCRAFT 5021, FOUND CLASS 1 CIDS FAULT DURING SVC CHK. CORRECTIVE ACTION: FOUND EPSU 13WL FAULT DURING CIDS BITE. REPLACED EPSU 13WL PER A321 AMM 33-51. CKS GOOD. (LP 6714971)SDR DALA2023071105630Unknown · unknownSHIP 5021 - FUME/MISC/DE - DUE TO: UPON DESCENT AS 4000', FLIGHT CREW OBSERVED ACIDIC FUME SMELL, PASSENGER IN ROWS 19,21 DEF SMELLED SIMILAR SMELL. FLIGHT CREW DONNED OXYGEN MASKS. CORRECTIVE ACTION: COMPLIED WITH WORK CARD 0550-2002, NO FAULTS FOUND. OPERATE
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)