# Service difficulty reports: N305NX

A list on [N305NX](https://openairdocs.org/aircraft/N305NX.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR AALA202610133289](https://openairdocs.org/sdr/AALA202610133289.md): Light · broken · Oct 13, 2026 · N305NX · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT IS HELD ON BY DUCT TAPE AT SEAT 10C. REMOVED AND REPLACED EMERGENCY LIGHT HOUSING ASSY IAW CMM 25-23-67
- [SDR AALA202610135584](https://openairdocs.org/sdr/AALA202610135584.md): Light · broken · Oct 12, 2026 · N305NX · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT LIGHT AT SEAT 16A HELD TO THE WALL WITH DUCT TAPE. REMOVE AND REPLACED EMERGENCY EXIT LIGHT AT SEAT 16A IAW AMM 33-51-01.
- [SDR AALA202608212773](https://openairdocs.org/sdr/AALA202608212773.md): Flashlight · no test · May 22, 2026 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDENT #2 JUMPSEAT FLASHLIGHT INOP. MAINTENANCE INSTALLED FLASHLIGHT AT FLIGHT ATTENDANT #2 JUMPSEAT PER AMM 25-64-00.
- [SDR AALA202604142990](https://openairdocs.org/sdr/AALA202604142990.md): Flashlight · inoperative · Apr 10, 2026 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: ON PREFLIGHT FOUND FORWARD AISLE FLIGHT ATTENDANT SEAT FLASHLIGHT INOPERATIVE. REMOVED AND REPLACED FLASHLIGHT BATTERY. PER AMM 25-64-00.
- [SDR AALA202602042495](https://openairdocs.org/sdr/AALA202602042495.md): Girt Bar · loose · Feb 2, 2026 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: FORWARD SERVICE DOOR GIRT BAR LOOSE. RESECURED GIRT BAR ASSEMBLY. PER AMM 25-66-00. OPS CHECK GOOD.
- [SDR AALA202601060538](https://openairdocs.org/sdr/AALA202601060538.md): Door · lack of lube · Jan 4, 2026 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS AFT LAVATORY-D BIFOLD DOOR VERY HARD TO OPEN AND CLOSE. LUBRICATED AFT LAVATORY-D BIFOLD DOOR ROLLER.
- [SDR AALA202512019597](https://openairdocs.org/sdr/AALA202512019597.md): Light · unsecure · Nov 30, 2025 · N305NX · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTS IN ROW 14 ABC ARE POPPING OUT. RESECURED EMERGENCY LIGHT ASSEMBLY AT ROW 14ABC. PER AMM 33-51-03.
- [SDR AALA202508205498](https://openairdocs.org/sdr/AALA202508205498.md): Girt Bar · out of adjust · Aug 14, 2025 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: 1R GIRT BAR DOES NOT COME OUT OF THE CLIPS CORRECTLY. EXTREMELY DIFFICULT TO PULL OUT AND CAUSES UNSAFE CONDITION WHILE ATTEMPTING TO ARM. ADJUSTED GRIT BAR RETAINER CLIPS, PER AMM 25-66-00.
- [SDR AALA202508125931](https://openairdocs.org/sdr/AALA202508125931.md): Door · lack of lube · Aug 11, 2025 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN AND CLOSE. SEEMS TO GET CAUGHT ON A LOOSE BRACKET IN TOP CORNER. LUBRICATED FLIGHT DECK LOWER DOOR STOP. PER AMM 20-20-21.
- [SDR AALA202508115201](https://openairdocs.org/sdr/AALA202508115201.md): Slide · out of adjust · Aug 7, 2025 · N305NX · Boeing 737823 · Escape Slide
  > AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS R1 IS DIFFICULT TO ARM. CHECKED AND ADJUSTED R1 DOOR SLIDE. OPERATIONAL CHECKS GOOD TO ARM. PER AMM 25-66-01
- [SDR AALA202507147961](https://openairdocs.org/sdr/AALA202507147961.md): Attach Angle · cracked · Jul 7, 2025 · N305NX · Boeing 737823 · Fuselage Main, Attach Fittings
  > AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE AT STA 663.5, LBL 8. REPAIRED PER SRM 57-10-10-2R-5.
- [SDR AALA202507140181](https://openairdocs.org/sdr/AALA202507140181.md): Attach Angle · cracked · Jul 7, 2025 · N305NX · Boeing 737823 · Fuselage Main, Attach Fittings
  > AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE AT STA 663.5, RBL 8. REPAIRED PER SRM 57-10-10-2R-5.
- [SDR AALA202507227026](https://openairdocs.org/sdr/AALA202507227026.md): Battery · failed · Jun 2, 2025 · N305NX · Boeing 737823 · Data Recorders (Flight/Maintenance)
  > AIRCRAFT WAS NOT GROUNDED, BATTERY IN CEILING PANEL NEXT TO FLIGHT DATA RECORDER WAS BAD FROM STOCK IT WAS MISSING THE TEST BUTTON. INSTALLED NEW BATTERY IN CEILING PANEL, BATTERY OPS CHECKED GOOD IAW AMM 33-51-06.
- [SDR AALA202410181558](https://openairdocs.org/sdr/AALA202410181558.md): Girt Bar · damaged · Oct 17, 2024 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT IN BASE MAINTENANCE: AFT ENTRY DOOR, THE SLIDE GIRT ON THE LOWER SIDE THE MATERIAL IS SEPARATING. REPLACED AFT ENTRY DOOR SLIDE PER JOB CARD 08L22125001.
- [SDR AALA202410160518](https://openairdocs.org/sdr/AALA202410160518.md): Lamp · inoperative · Oct 16, 2024 · N305NX · Boeing 737823 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: EXTERIOR EMERGENCY LIGHT FOR 4L DOOR IS INOPERATIVE. RELAMPED EXTERIOR EMERGENCY SLIDE LIGHT AT AFT 4L DOOR. OPERTIONAL CHECK GOOD. PER AMM 33-51-04.
- [SDR AALA202409254485](https://openairdocs.org/sdr/AALA202409254485.md): Connector · disconnected · Sep 24, 2024 · N305NX · Boeing 737823 · Light System Wiring
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY SEAT EXIT LIGHTS INOP FROM ROW 19-25. MAINTENANCE FOUND WIRE DISCONNECTED AT THE POWER SUPPLY AT ROW 18 UNDER SEAT RECONNECTED WIRE REF AMM 33-51-00.
- [SDR AALA202406064301](https://openairdocs.org/sdr/AALA202406064301.md): Air Filter · dirty · Jun 5, 2024 · N305NX · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: ROTTEN SOCK SMELL WHEN APU IS RUNNING. FOUND BOTH LEFT AND RIGHT HEPA FILTERS EXTREMELY DIRTY. REPLACED LEFT (AALA202406064301) AND RIGHT (AALA202406062241) RECIRCULATION FILTERS,PER AMM 21-25-01. SMELL CHECK GOOD. FOUND LEFT PACK HPWS-H
- [SDR AALA202406062241](https://openairdocs.org/sdr/AALA202406062241.md): Air Filter · dirty · Jun 5, 2024 · N305NX · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: ROTTEN SOCK SMELL WHEN APU IS RUNNING. FOUND BOTH LEFT AND RIGHT HEPA FILTERS EXTREMELY DIRTY. REPLACED LEFT (AALA202406064301) AND RIGHT (AALA202406062241) RECIRCULATION FILTERS,PER AMM 21-25-01. SMELL CHECK GOOD. FOUND LEFT PACK HPWS-H
- [SDR AALA202406062283](https://openairdocs.org/sdr/AALA202406062283.md): Boot · torn · Jun 5, 2024 · N305NX · Boeing 737823 · Humidity Control System
  > AIRCRAFT WAS GROUNDED: ROTTEN SOCK SMELL WHEN APU IS RUNNING. FOUND BOTH LEFT AND RIGHT HEPA FILTERS EXTREMELY DIRTY. REPLACED LEFT (AALA202406064301) AND RIGHT (AALA202406062241) RECIRCULATION FILTERS,PER AMM 21-25-01. SMELL CHECK GOOD. FOUND LEFT PACK HPWS-H
- [SDR AALA202403123908](https://openairdocs.org/sdr/AALA202403123908.md): Lock Mechanism · lack of lube · Mar 11, 2024 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT RIGHT LAVATORY LOCK DIFFICULT TO OPERATE. LUBRICATED RIGHT LAVATORY DOOR LOCKING MECHANISM. OPERATIONAL CHECK GOOD. PER CMM 25-40-65.
- [SDR AALA202402053423](https://openairdocs.org/sdr/AALA202402053423.md): Battery Pack · no test · Feb 4, 2024 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: FLASH LIGHT MOUNTED UNDER AFT FLIGHT ATTENDANT SEAT CONTINUOUSLY ON WHILE IN MOUNT. EMERGENCY FLASHLIGHT PUSH TO TEST FAILED. REPLACED BATTERY PACK, CORRECTLY INSTALLED FLASHLIGHT TO MOUNT BRACKET AND OPS TEST GOOD. PER AMM 25-64-00
- [SDR AALA202312211783](https://openairdocs.org/sdr/AALA202312211783.md): Handle · detached · Dec 20, 2023 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR HANDLE DETACHED. REPLACED DOOR HANDLE ON FORWARD LAVATORY DOOR PER CMM 25-48-48.
- [SDR AALA202307038286](https://openairdocs.org/sdr/AALA202307038286.md): Indicator · false indication · Jun 29, 2023 · N305NX · Boeing 737823 · Trailing Flap Position Indicating System
  > AIRCRAFT WAS GROUNDED: LEADING EDGE FLAPS TRANSIT LIGHT STAYS ON WITH FLAP HANDLE EXTENDED. MANUALLY EXTENDED FLAPS. EMERGENCY DECLARED; FLIGHT LANDED SAFELY AT ORD. **SUPPLEMENTAL REPORT FOR AALA202306308286: REPLACED FLAP POSITION INDICATOR PER AMM 27-58-02
- [SDR AALA202306308286](https://openairdocs.org/sdr/AALA202306308286.md): Unknown · unknown · Jun 29, 2023 · N305NX · Boeing 737823 · Leading Edge Slat Control System
  > AIRCRAFT WAS GROUNDED: LEADING EDGE FLAPS TRANSIT LIGHT STAYS ON WITH FLAP HANDLE EXTENDED. MANUALLY EXTENDED FLAPS. EMERGENCY DECLARED; FLIGHT LANDED SAFELY AT ORD. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)
- [SDR AALA202301038477](https://openairdocs.org/sdr/AALA202301038477.md): Handle · binding · Jan 2, 2023 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO CLOSE. LUBRICATED FLIGHT DECK DOOR HANDLE.
- [SDR AALA202212239320](https://openairdocs.org/sdr/AALA202212239320.md): Door Latch · out of adjust · Dec 22, 2022 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED. FLIGHT DECK DOOR DIFFICULT TO LATCH CLOSED. FLIGHT DECK DOOR LATCH ADJUSTED PER AMM 52-51-02. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.
- [SDR AALA202212148253](https://openairdocs.org/sdr/AALA202212148253.md): Retainer · out of adjust · Dec 13, 2022 · N305NX · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: DOOR 1R GIRT BAR DIFFICULT TO ARM AND DISARM. ADJUSTED R1 GIRT BAR DISARM HOLD RETAINER CLIPS.
- [SDR AALA202211015748](https://openairdocs.org/sdr/AALA202211015748.md): Door · sticking · Oct 30, 2022 · N305NX · Boeing 7378 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LEFT HAND LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE. ADJUSTED AFT LEFT LAVATORY DOOR.
- [SDR AALA202303222922](https://openairdocs.org/sdr/AALA202303222922.md): Sensor · faulty · Oct 12, 2022 · N305NX · Boeing 737823 · Trailing Edge Flap Control System
  > AIRCRAFT WAS GROUNDED: HIGH SPEED REJECTED TAKEOFF ABOUT 100 KNOTTS. RECEIVED A CONFIGURATION TAKEOFF WARNING HORN AND LIGHT AFTER REJECT NOTICED FLAPS 5 SETTING NEEDLE SPLIT ONE OUT OF THE WHITE BAND. **SUPPLEMENTAL REPORT FOR AALA202210142922: MAINTENANCE RE
- [SDR AALA202303222382](https://openairdocs.org/sdr/AALA202303222382.md): Fseu · unserviceable · Oct 12, 2022 · N305NX · Boeing 737823 · Trailing Edge Flap Control System
  > AIRCRAFT WAS GROUNDED: HIGH SPEED REJECTED TAKEOFF ABOUT 100 KNOTTS. RECEIVED A CONFIGURATION TAKEOFF WARNING HORN AND LIGHT AFTER REJECT NOTICED FLAPS 5 SETTING NEEDLE SPLIT ONE OUT OF THE WHITE BAND. **SUPPLEMENTAL REPORT FOR AALA202210142922: MAINTENANCE RE
- [SDR AALA202210142922](https://openairdocs.org/sdr/AALA202210142922.md): None · none · Oct 12, 2022 · N305NX · Boeing 737 · Trailing Edge Flap Control System
  > AIRCRAFT WAS GROUNDED: HIGH SPEED REJECTED TAKEOFF ABOUT 100 KNOTTS. RECEIVED A CONFIGURATION TAKEOFF WARNING HORN AND LIGHT AFTER REJECT NOTICED FLAPS 5 SETTING NEEDLE SPLIT ONE OUT OF THE WHITE BAND. **SUPPLEMENTAL REPORT REQUIRED**(OPEN)**10/14**
- [SDR AALA202203076552](https://openairdocs.org/sdr/AALA202203076552.md): Door · inoperative · Mar 5, 2022 · N305NX · Boeing 737* · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY D (AFT LEFT) LAVATORY DOOR WILL NOT LOCK. ACCOMPLISHED OPERATIONS CHECK OF LAVATORY DOOR ADJUSTED PER AMM 25-40-00.
- [SDR AALA202202232106](https://openairdocs.org/sdr/AALA202202232106.md): Hinge · sticking · Feb 22, 2022 · N305NX · Boeing 737* · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR IS DIFFICULT TO OPEN AND CLOSE. ADJUSTED DOOR HINGE AS NEEDED. AFT LEFT LAVATORY DOOR OPERATES NORMALLY.
- [SDR AALA202201262940](https://openairdocs.org/sdr/AALA202201262940.md): Roller · out of position · Jan 24, 2022 · N305NX · Boeing 737* · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY BI-FOLD DOOR SPRINGS BROKEN. REPOSITIONED ROLLER INTO TRACK. AFT LEFT LAVATORY DOOR OPERATIONS CHECK OK. CREW VERIFIED.
- [SDR AALA202201117620](https://openairdocs.org/sdr/AALA202201117620.md): Roller · out of adjust · Jan 10, 2022 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR LATCH IS GETTING STUCK IN LOCKED POSITION. ADJUSTED DOOR TOP ROLLER. PERFORMED SATISFACTORY OPERATIONAL CHECK PER AMM 25-40-04.
- [SDR AALA202112106885](https://openairdocs.org/sdr/AALA202112106885.md): Cover · detached · Dec 9, 2021 · N305NX · Boeing 737* · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: SEAT 13C EMERGENCY EXIT LIGHT COVER DETACHED. RESECURED COVER PER CMM 25-23-67.
- [SDR AALA202105249025](https://openairdocs.org/sdr/AALA202105249025.md): Lens · loose · May 22, 2021 · N305NX · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: SEAT 29C EXIT PATH LIGHTING ON SIDE OF SEAT IS LOOSE AND HANGING. REMOVED AND REPLACED EMERGENCY LIGHT COVER BOX AT SEAT 29C IAW CMM 25-23-67.
- [SDR AALA202105089019](https://openairdocs.org/sdr/AALA202105089019.md): Cover · missing · May 6, 2021 · N305NX · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: 29C FLOOR LEVEL EXT LIGHT COVER IS MISSING. REINSTALLED EMERGENCY FLOOR PROXIMITY LIGHT SHROUD PER AMM 33-51-11.
- [SDR AALA202102179011](https://openairdocs.org/sdr/AALA202102179011.md): Door · out of adjust · Feb 14, 2021 · N305NX · Boeing 737823 · Lavatories
  > AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY D DOOR DIFFICULT TO OPEN. ADJUSTED LAVATORY D DOOR PER AMM 25-40-00.
- [SDR AALA202102159029](https://openairdocs.org/sdr/AALA202102159029.md): Door · out of adjust · Feb 14, 2021 · N305NX · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY D DOOR DIFFICULT TO OPEN. ADJUSTED LAVATORY D DOOR IAW AMM 25-40-00, OPS CK GOOD.
- [SDR AALA201912059001](https://openairdocs.org/sdr/AALA201912059001.md): Gust Lock · lack of lube · Dec 4, 2019 · N305NX · Boeing 737823 · Passenger/Crew Doors
  > AIRCRAFT NOT GROUNDED: FRONT ENTRANCE DOOR 1L GUST LOCK HARD TO OPERATE. LUBRICATED L1 GUST LOCK ASSY IAW STANDARD PRACTICES. OPS CK NORMAL.
- [SDR AALA201709189042](https://openairdocs.org/sdr/AALA201709189042.md): Sign · missing · Sep 16, 2017 · N305NX · Boeing 737823 · Emergency Lighting
  > EMERGENCY EXIT SIGN AT ROW 15ABC IS MISSING. REPLACED THE SIGN IAW AMM 33-51-01. OPS CHECKED GOOD.
- [SDR AALA201708089043](https://openairdocs.org/sdr/AALA201708089043.md): Sign · detached · Aug 4, 2017 · N305NX · Boeing 737823 · Emergency Lighting
  > THE AIRCRAFT WAS NOT GROUNDED. AFT RIGHT EMERGENCY EXIT SIGN COVER KEEPS COMING OFF. REMOVED AND REPLACED AFT RIGHT SERVICE DOOR EXIT SIGN LIGHT ASSEMBLY AS PER AMM 33-51-01. OPS CHECK GOOD.
- [SDR AALA201705309001](https://openairdocs.org/sdr/AALA201705309001.md): Filter · odor · May 26, 2017 · N305NX · Boeing 737823 · Air Distribution System
  > AS POWER WAS BROUGHT UP FOR TAKEOFF, FLIGHT ATTENDANTS IN BACK NOTED STRONG ROTTEN EGG ODOR. TAKEOFF REJECTED AT 15 KNOTS. REMOVED AND REPLACED LEFT RECIRCULATION FAN FILTER AND RIGHT RECIRCULATION FAN FILTER IAW AMM 21-25-01. ACCOMPLISHED MCM CARD 05-96-70
- [SDR AALA201705279015](https://openairdocs.org/sdr/AALA201705279015.md): Filter · odor · May 26, 2017 · N305NX · Boeing 737823 · Air Distribution System
  > AS POWER WAS BROUGHT UP FOR TAKEOFF, FLIGHT ATTENDANTS IN BACK NOTED STRONG ROTTEN EGG ODOR. TAKEOFF REJECTED AT 15 KNOTS. REMOVED AND REPLACED LEFT RECIRCULATION FAN FILTER AND RIGHT RECIRCULATION FAN FILTER IAW AMM 21-25-01. ACCOMPLISHED MCM CARD 05-96-70
- [SDR AALA201705109029](https://openairdocs.org/sdr/AALA201705109029.md): Smoke Detector · dirty · May 7, 2017 · N305NX · Boeing 737823 · Smoke Detection
  > LEFT AFT LAVATORY SMOKE ALARM RANG 3 CHIMES AND STOPPED - NO PASSENGER OR VISIBLE SMOKE PRESENT - COCKPIT LAV SMOKE LIGHT RESET NORMAL. ACCOMPLISHED CLEANING OF SMOKE DETECTOR SCREEN AND SENSOR, AND TESTED PER AMM 26-14-00. SMOKE DETECTOR CHECKED GOOD, NO FAUL
- [SDR AALA201703139041](https://openairdocs.org/sdr/AALA201703139041.md): Lens · detached · Mar 10, 2017 · N305NX · Boeing 737823 · Emergency Lighting
  > EMERGENCY EXIT LIGHT BY THE R2 DOOR HAS A DETACHED LENS. REPLACED LIGHT ASSEMBLY IAW AMM 33-51-01. OPS CHECKED GOOD.

## 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 = 'N305NX' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N305NX/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.
