# Service difficulty reports: N12142

A list on [N12142](https://openairdocs.org/aircraft/N12142.md).

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

Page 1 of 2 · 91 reports

- [SDR JJBA20261014002](https://openairdocs.org/sdr/JJBA20261014002.md): Placard · missing · Oct 12, 2026 · N12142 · Emb EMB145XR · Placards and Markings
  > RT EMERGENCY EXIT WINDOW INTERIOR PLACARD MISSING. INSTALLED RT EMERGENCY EXIT WINDOW INTERIOR PLACARD AS REQUIRED.
- [SDR JJBA20260805002](https://openairdocs.org/sdr/JJBA20260805002.md): Inverter · inoperative · Aug 4, 2026 · N12142 · Emb EMB145XR · Emergency Lighting
  > NR 2 EMERGENCY LIGHT BATTERY LOWER INVERTER INOPERATIVE. REMOVED AND REPLACED LOWER INVERTER AT NR 2 EMERGENCY LIGHT BATTERY. OPS CHKD GOOD.
- [SDR JJBA20260423017](https://openairdocs.org/sdr/JJBA20260423017.md): Battery Pack · misinstalled · Apr 22, 2026 · N12142 · Emb EMB145XR · Emergency Lighting
  > SEVERAL EMERGENCY LIGHTS INOPERATIVE. FOUND #3 BPS NOT INSTALLED CORRECTLY. REINSTALLED. OPS CHECK GOOD.
- [SDR JJBA20250623016](https://openairdocs.org/sdr/JJBA20250623016.md): Lamp · inoperative · Jun 17, 2025 · N12142 · Emb EMB145XR · Emergency Lighting
  > MCD EXTERNAL EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED MCD EXTERNAL EMERGENCY LIGHT LAMP. OPS CHECK FAILED. SUSPECT BAD HOUSING. REMOVED AND REPLACED LIGHT ASSEMBLY HOUSING. OPS CHECK SAT.
- [SDR JJBA20250623015](https://openairdocs.org/sdr/JJBA20250623015.md): Sign · inoperative · Jun 17, 2025 · N12142 · Emb EMB145XR · Emergency Lighting
  > EXIT LOCATING SIGN MID CEILING FWD INOPERATIVE. REMOVED AND REPLACED EXIT LOCATING SIGN FWD SIDE MID CEILING. OPS CHECK SAT.
- [SDR JJBA20250417059](https://openairdocs.org/sdr/JJBA20250417059.md): Lamp · inoperative · Apr 15, 2025 · N12142 · Emb EMB145XR · Emergency Lighting
  > SERVICE DOOR EMERGENCY LIGHT INOPERATIVE. FOUND LIGHT COVER BROKEN WHEN CHANGING BULB ON LIGHT. REMOVED AND REPLACED BULB AND LIGHT COVER ON SERVICE DOOR EMERGENCY LIGHT. OPS CHECK SAT.
- [SDR JJBA20250401039](https://openairdocs.org/sdr/JJBA20250401039.md): Lamp · inoperative · Mar 30, 2025 · N12142 · Emb EMB145XR · Emergency Lighting
  > LH AFT EXTERIOR EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED LH AFT EXTERIOR EMERGENCY LIGHT. OPS CHECK SAT.
- [SDR JJBA20250303008](https://openairdocs.org/sdr/JJBA20250303008.md): Lamp · inoperative · Mar 1, 2025 · N12142 · Emb EMB145XR · Emergency Lighting
  > LH LOWER EXT EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED LH LOWER EXT EMERGENCY LIGHT. OPS CHECK SAT.
- [SDR JJBA20241118005](https://openairdocs.org/sdr/JJBA20241118005.md): Battery Pack · inoperative · Nov 15, 2024 · N12142 · Emb EMB145XR · Emergency Lighting
  > SEVERAL EMERGENCY LIGHTS OUT. REMOVED AND REPLACED EMERGENCY BATTERY #2. OPS CHECK SAT.
- [SDR JJBA20240528059](https://openairdocs.org/sdr/JJBA20240528059.md): Duct · unsecure · May 25, 2024 · N12142 · Emb EMB145XR · Standard Practices/Structures
  > SMELL OF SMOKE (BURNING RUBBER) ON CLIMB OUT WITH EXCESSIVE AMOUNTS OF CONDENSATION FROM #1 PACK. FOUND BOTH NACA RAM AIR INLET DUCTS (191GL), NOT SECURED; RH PACK DUCT FROM NACA AIR INLET WAS TORN; REMOVED AND REPLACED DUCT. LH PACK DUCT FROM NACA AIR INLET W
- [SDR JJBA20240523058](https://openairdocs.org/sdr/JJBA20240523058.md): Floor Support · corroded · May 17, 2024 · N12142 · Emb EMB145XR · Fuselage Miscellaneous Structure
  > CENTER FUSELAGE 1 - RH OMEGA BEAM UPPER SURFACE - BETWEEN FR18 - FR19 - CORROSION. PROCEEDED TO FABRICATE DOUBLE AND INSTALLED DOUBLER.
- [SDR JJBA20230530020](https://openairdocs.org/sdr/JJBA20230530020.md): Sensor · inoperative · May 27, 2023 · N12142 · Emb EMB145XR · Flight Control System
  > FLAP FAILURE ON APPROACH, FLAP STOPPED AT 38 DEGREES. RESET FLAPS. EICAS MESSAGE CLEARED AND FLAPS OPS CHECKED NORMAL. PERFORMED GVI OF FFL. LH FLAP VELOCITY SENSOR CANNON PLUG BACKSHELL WAS FOUND LOOSE, RESECURED. REACTIVATED SYSTEM BY REINSTALLING CONNECTS P
- [SDR JJBA20230320026](https://openairdocs.org/sdr/JJBA20230320026.md): Lamp · inoperative · Mar 17, 2023 · N12142 · Emb EMB145XR · Emergency Lighting
  > MAIN CABIN DOOR EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED BULB ON MCD EMERGENCY LIGHT. OPS CHECK FAIL. LIGHT ASESEMBLY FOUND TO BE INOPERATIVE. REMOVED AND REPLACED MCD EMERGENCY LIGHT ASSEMBLY. OPS CHECK GOOD
- [SDR JJBA20230320025](https://openairdocs.org/sdr/JJBA20230320025.md): Battery Pack · inoperative · Mar 17, 2023 · N12142 · Emb EMB145XR · Lighting System
  > MULTIPLE EMERGENCY LIGHTS INOPERATIVE. DETERMINED FAULT TO BE BAD BATT 1 AND 4. REMOVED AND REPLACED BOTH BATTERIES. OPS CHECK SAT BATTERY PACK #4 PN: ABS-2013-1A SN 61249 TSN 3920.06 CSN: 3300 TIME SINCE: 3198.54
- [SDR JJBA20220921026](https://openairdocs.org/sdr/JJBA20220921026.md): None · failed · Sep 18, 2022 · N12142 · Emb EMB145XR · Landing Gear Steering System
  > SUPPLEMENTAL (NEW) INFORMATION: REMOVED AND REPLACED NOSE LANDING GEAR. OPS AND LEAK CHECK SAT.
- [SDR JJBA20220502012](https://openairdocs.org/sdr/JJBA20220502012.md): None · none · May 2, 2022 · N12142 · Emb EMB145XR · Fuselage Structure (General)
  > REAR FUSELAGE SKIN HAS CORROSION UNDER #2 RAT ANTENNA ON EXTERNAL AND INTERNAL SURFACES. REPAIRED REAR FUSELAGE SKIN UNDER #2 RAT ANTENNA.
- [SDR JJBA20220420009](https://openairdocs.org/sdr/JJBA20220420009.md): None · none · Apr 20, 2022 · N12142 · Emb EMB145XR · Fuselage Structure (General)
  > REAR FUSELAGE SKIN HAS CORROSION UNDER #2 RAR ANTENNA ON EXTERNAL AND INTERNAL SURFACES. REPAIRED REAR FUSELAGE SKIN UNDER #2 RAR ANTENNA.
- [SDR JJBA20220412008](https://openairdocs.org/sdr/JJBA20220412008.md): None · none · Apr 12, 2022 · N12142 · Emb EMB145XR · Fuselage Main, Bulkhead
  > LH OMEGA BEAM AT FR 38 - FR 44 HAS CORROSION AROUND SURFACE OF FASTENER HOLES. REMOVED AND REPLACED LH OMEGA BEAM.
- [SDR JJBA20220325011](https://openairdocs.org/sdr/JJBA20220325011.md): None · none · Mar 25, 2022 · N12142 · Emb EMB145XR · Fuselage Main, Bulkhead
  > CORROSION FOUND ON THE OMEGA BEAM LOCATED BETWEEN FR59 TO FR 61, Y.00-19. REPAIRED OMEGA BEAM AT FR 59 - FR61 AND Y.00-16
- [SDR JJBA20220325010](https://openairdocs.org/sdr/JJBA20220325010.md): None · none · Mar 25, 2022 · N12142 · Emb EMB145XR · Fuselage Main, Bulkhead
  > CORROSION FOUND ON THE OMEGA BEAM LOCATED BETWEEN FR59 TO FR 61. REPAIRED OMEGA BEAM AT FR 59 - FR61 AND Y.00+16
- [SDR JJBA20211024054](https://openairdocs.org/sdr/JJBA20211024054.md): Inverter · faulty · Oct 24, 2021 · N12142 · Emb EMB145XR · Emergency Lighting
  > EXIT MARKING ASSEMBLY FORWARD OF SEAT 3C INOPERATIVE. SWAPPED EXIT MARKING WITH EXIT SIGN ABOVE FA SEAT. FAULT DID NOT FOLLOW. SWAPPED EMERGENCY LIGHT DC/AC INVERTER. FAULT FOLLOWED #3 INVERTER. ALL PARTS RETURNED TO ORIGINAL POSITION. R&R EMERGENCY LIGHT INVE
- [SDR JJBA20210920031](https://openairdocs.org/sdr/JJBA20210920031.md): Battery · inoperative · Sep 20, 2021 · N12142 · Emb EMB145XR · Emergency Lighting
  > RH FWD EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED EMERGENCY EXIT LIGHT PLACARD ASSEMBLY. OPS CHECK BAD. R&R CHASSIS ASSEMBLY AND BATTERY PACK. OPS CHECK SAT
- [SDR JJBA20210316012](https://openairdocs.org/sdr/JJBA20210316012.md): Light · inoperative · Mar 12, 2021 · N12142 · Emb EMB145XR · Emergency Lighting
  > RH FWD WING TO FUSELAGE EMERGENCY LIGHT INOPERATIVE. R&R RH FWD WING TO FUSELAGE EMERGENCY LIGHT. OPS CHECK SAT.
- [SDR JJBA20211110012](https://openairdocs.org/sdr/JJBA20211110012.md): Seat · cracked · Jan 11, 2021 · N12142 · Emb EMB145XR · Passenger Compartment Equipment
  > SEATS 2A, 3A, 4A, 8A, 9A, 11A, 19A, 22A, AND 23A ALL HAVE A CRACK IN THE RADIUS OF THE BASE ASSEMBLY BELOW THE AISLE SIDE ARM REST. REPLACED SEATS 2A, 3A, 4A, 8A, 9A, 11A, 19A, 22A, AND 23A.
- [SDR JJBA20201229034](https://openairdocs.org/sdr/JJBA20201229034.md): Skin · dented · Dec 29, 2020 · N12142 · Emb EMB145XR · Fuselage Main, Plate/Skin
  > SUSPECTED DENT FOUND ON CENTER FUSE II, BETWEEN FR 27-28 AND BETWEEN STR 1L-2L. DENT ON CENTER FUSE II, BETWEEN FR 27-28 AND BETWEEN STR 1L-2L REPAIRED.
- [SDR JJBA20201216033](https://openairdocs.org/sdr/JJBA20201216033.md): Skin · dented · Dec 16, 2020 · N12142 · Emb EMB145XR · Fuselage Main, Plate/Skin
  > DENT ON LT FWD FUSE II, BETWEEN CUT OUT EXTERNAL POWER RECEPTACLE AND STR 15L. PAINT REMOVED AT DENTED AREA. AFTER INVESTIGATION, A CHAFING IS FOUND ON LT FWD FUSE 2, BETWEEN FR 6-7 AND BETWEEN STR 13L-15L. ON LT FWD FUSE II, BETWEEN CUT OUT EXTERNAL POWER
- [SDR ASOA202009124023S](https://openairdocs.org/sdr/ASOA202009124023S.md): Light · inoperative · Sep 12, 2020 · N12142 · Emb EMB145XR · Emergency Lighting
  > MAINTENANCE REMOVED AND REPLACED THE AFFECTED LIGHT ASSEMBLY FOR SEATS 19A-21A. OPERATIONALLY TESTED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
- [SDR ASOA2020091424023](https://openairdocs.org/sdr/ASOA2020091424023.md): Socket · burned · Sep 12, 2020 · N12142 · Emb EMB145XR · Flight Compartment Lighting
  > BHM-FLIGHT 4369, THE CREW REPORTED SMELL OF SMOKE AND VISIBLE SMOKE ON SIDEWALL LIGHT PANEL 20A WITH A VISIBLE BURN MARK. THE AIRCRAFT LANDED IN BHM WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT. DEACTIVATED LIGHT ASSEMBLY AT SEAT 20A AND PLACE I
- [SDR RAIA2020031100001](https://openairdocs.org/sdr/RAIA2020031100001.md): Support · corroded · Feb 28, 2020 · N12142 · Emb EMB145XR · Fuselage Miscellaneous Structure
  > DISCOVERED SURFACE CORROSION ON FUSELAGE SERVICE DOOR CUTOUT THRESHOLD SUPPORT STRUCTURE AROUND FLOOR TRIM NUTPLATE LOCATIONS----REMOVED AND REPLACED ITEM WITH NEW ITEM
- [SDR RAIA2020031080002](https://openairdocs.org/sdr/RAIA2020031080002.md): Shear Tie · cracked · Feb 28, 2020 · N12142 · Emb EMB145XR · Fuselage Internal Mounting Structure
  > SHEAR CLIP FRAME AT STR 18L-19L IS CRACKED......REMOVED AND REPLACED SHEAR CLIP AT STR 18L=19L
- [SDR RAIA2020031080001](https://openairdocs.org/sdr/RAIA2020031080001.md): Angle · corroded · Feb 28, 2020 · N12142 · Emb EMB145XR · Fuselage Miscellaneous Structure
  > CARGO Z ANGLE IS CORRODED..........REMOVED AND REPLACED CARGO Z ANGLE
- [SDR RAIA2019121760001](https://openairdocs.org/sdr/RAIA2019121760001.md): Unknown · odor · Dec 16, 2019 · N12142 · Emb EMB145XR · Air Distribution System
  > ELECTRICAL SMELL IN COCKPIT.CREW REPRTS A FAINT ELECTRICAL SMELL AND SMOKE VENTING INTO COCKPIT THROUGH CAPTS FWD WINDSHIELD SEAL ON THE LH SIDE.SMELL AND SMOKE DISSIPATED WITHIN 90 SEC. FA REPORTS THAT SHE COULD ONLY DETECT SMELL AT THE COCKPIT DOOR AND NOT T
- [SDR RAIA201907270002](https://openairdocs.org/sdr/RAIA201907270002.md): Thermostat · malfunctioned · Jul 27, 2019 · N12142 · Emb EMB145XR · Pneumatic Distribution System
  > BLEED 1 & 2 OVERTEMP DURING CLIMBOUT IN ICING( EMER DECLARED). R&R #2 FAN AIR VALVE HIGH TEMP THERMOSTAT AND #2 LOW TEMP THERMOSTAT INLET HOSE, ALL OPS CHECK GOOD.
- [SDR RAIA2019032200001](https://openairdocs.org/sdr/RAIA2019032200001.md): Button · defective · Mar 22, 2019 · N12142 · Emb EMB145XR · Rudder Control System
  > RUDDER SYSTEM 1-2 INOP MESSAGE AFTER YAW DAMPER FAIL MESSAGE. WENT AWAY, CAME BACK THEN WENT AWAY. SYS 1 PRESSURE 3100. SYSTEM 2 3000. REFER TO DISCREPANCY 1, LOG PAGE 471478. R & R RUDDER SHUT OFF PUSH BUTTONS FOR SYSTEM 1 AND 2. OPS CHECK GOOD. MORE INFORMAT
- [SDR RAIA201812120001](https://openairdocs.org/sdr/RAIA201812120001.md): Connector · burned · Dec 12, 2018 · N12142 · Emb EMB145XR · Fire Protection System Wiring
  > LAV SMOKE EICAS ON TAKE OFF. FOUND CONNECTOR P8100 BURNT. R&R PLUG. OPS CHECK GOOD.
- [SDR RAIA2018090670001](https://openairdocs.org/sdr/RAIA2018090670001.md): Carbon Seal · leaking · Aug 7, 2018 · N12142 · Emb EMB145XR · Turbine Engine Oil System
  > AT 290 SMOKE IN CABIN AND FLT DECK. NOTE FILLED FROM AFT TO FORWARD. UPON INSPECTION FOUND 0 CARBON SEAL LEAKING AND SHAFT SEAL SPINNER LOOSE. REFERENCE STANDARD PAPERWORK FOR DISPOSITION. DETAILS OF THIS REPAIR HAVE BEEN EMAILED TO 9-AMC-SDR-PROGMGR@FAA.GOV,
- [SDR RAIA201801120001](https://openairdocs.org/sdr/RAIA201801120001.md): Sensor · dirty · Jan 12, 2018 · N12142 · Emb EMB145XR · Pneumatic Distribution System
  > NR 1 AND 2 BLEED OVERTEMP. CLEANED THE TEMP SENSORS AND PERFORMED AN OPS CHECKED GOOD.
- [SDR RAIA201709010002](https://openairdocs.org/sdr/RAIA201709010002.md): Bulb · inoperative · Sep 1, 2017 · N12142 · Emb EMB145XR · Emergency Lighting
  > CEILING AISLE FLOOD LIGHT AT ROW 12 INOPERATIVE. R & R THE BULBS, OPS CHECKED GOOD.
- [SDR RAIA201703120001](https://openairdocs.org/sdr/RAIA201703120001.md): Fcu · inoperative · Mar 12, 2017 · N12142 · Emb EMB145XR · Trailing Edge Flap Control System
  > FLAP FAIL MESSAGE INFLIGHT. R & R THE FECU, OPS CHECKED GOOD. ACFT FOR SERVICE.
- [SDR RAIA201612090001](https://openairdocs.org/sdr/RAIA201612090001.md): Power Supply · inoperative · Dec 9, 2016 · N12142 · Emb EMB145XR · Emergency Lighting
  > LEFT EXTERIOR FWD EMERGENCY LIGHT INOPERATIVE. R & R THE NR 1 BATTERY POWER SUPPLY, OPS CHECKED GOOD.
- [SDR ASOA20160329012](https://openairdocs.org/sdr/ASOA20160329012.md): Skin · damaged · Mar 28, 2016 · N12142 · Emb EMB145XR · Fuselage Main, Plate/Skin
  > LIGHTNING STRIKE AT FRAME 29 BETWEEN STR 15L AND 16L. CUTOUT DAMAGED AREA, FABRICATED DOUBLER AND FILLER. INSTALLED IAW SRM 53-22-01. ACFT RELEASED AND RETURNED TO SERVICE.
- [SDR ASOA20160301016H](https://openairdocs.org/sdr/ASOA20160301016H.md): Power Supply · inoperative · Mar 1, 2016 · N12142 · Emb EMB145XR · Emergency Lighting
  > THE LT FWD EMERGENCY LIGHT ON PANEL 191 WAS FOUND TO BE INOPERATIVE. MAINTENANCE R & R THE NR 1 EMERGENCY LIGHT POWER SUPPLY, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
- [SDR ASOA20160105001](https://openairdocs.org/sdr/ASOA20160105001.md): Tank · chafed · Jan 5, 2016 · N12142 · Emb EMB145XR · Fuel Storage
  > ACFT IS IN FOR A C-CHECK INSPECTION. INSPECTION FOUND THE VENTRAL TANK CHAFE AT A PREVIOUS LOWER SKIN PATCH BETWEEN TANK DRAINS. THE OLD DOUBLER HAS BEEN REMOVED AND BLENDED SMOOTH, FABRICATED A NEW DOUBLER FOLLOWING THE INSTRUCTIONS OUTLINED ON EC 2015-145-
- [SDR ASOA20141021119](https://openairdocs.org/sdr/ASOA20141021119.md): Wire Harness · odor · Oct 21, 2014 · N12142 · Emb EMB145XR · Light System Wiring
  > CREW REPORTED A BURNING ODOR NEAR SEAT 4A DURING TAKEOFF AND LANDING. MAINTENANCE R & R THE CABIN LIGHT WIRE HARNESS WITH OPS CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.
- [SDR ASOA20140922106](https://openairdocs.org/sdr/ASOA20140922106.md): Charger · inoperative · Sep 22, 2014 · N12142 · Emb EMB145XR · Emergency Lighting
  > DURING MX INSPECTION, THE FWD LT SIDE EXTERIOR EMERGENCY LIGHT WAS FOUND INOPERATIVE. MX R & R THE NR 1 EMERGENCY LIGHT SYS BATTERY CHARGER ASSY WITH OPS CHECKED GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.
- [SDR ASOA201400710213](https://openairdocs.org/sdr/ASOA201400710213.md): Inverter · inoperative · Jul 10, 2014 · N12142 · Emb EMB145XR · Emergency Lighting
  > DURING RON ROUTINE MAINTENANCE, SEVERAL EMERGENCY LIGHTS IN THE COCKPIT AND FORWARD CABIN WERE FOUND INOPERATIVE DURING FUNCTIONAL TEST. MAINTENANCE R & R THE NR 1 EMERGENCY LIGHT INVERTER IAW AMM 33-50-11. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
- [SDR ASOA20131123445](https://openairdocs.org/sdr/ASOA20131123445.md): Floor Support · cracked · Nov 23, 2013 · N12142 · Emb EMB145XR · Fuselage Miscellaneous Structure
  > RT OMEGA BEAM OTBD CRACKED AT FRAME 47. R & R OMEGA BEAM.
- [SDR ASOA20131123444](https://openairdocs.org/sdr/ASOA20131123444.md): Floor Support · cracked · Nov 23, 2013 · N12142 · Emb EMB145XR · Fuselage Miscellaneous Structure
  > RT OMEGA BEAM, INBD, AT FRAME 47 CRACKED. R & R OMEGA BEAM.
- [SDR ASOA20131123443](https://openairdocs.org/sdr/ASOA20131123443.md): Frame · cracked · Nov 23, 2013 · N12142 · Emb EMB145XR · Fuselage Main, Frame
  > WHILE INSTALLING SHEAR TIE FOUND CRACK IN FRAME 25 BETWEEN STRINGER 15 & 16R. TRIMMED CRACK, FABRICATED AND INSTALLED REPAIR DOUBLER/FILLER IAW ETD2013-145-059433A.
- [SDR ASOA20131123442](https://openairdocs.org/sdr/ASOA20131123442.md): Shear Tie · cracked · Nov 23, 2013 · N12142 · Emb EMB145XR · Fuselage Internal Mounting Structure
  > SHEAR TIE CRACKED AT FRAME 25 BETWEEN STRINGER 15 & 16R. R & R SHEAR TIE

Next page: https://openairdocs.org/aircraft/N12142/reports.md?page=2

## 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 = 'N12142' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N12142/reports

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