# JASC 2300: Communications System

- Type: JASC system/component code (FAA)
- ATA chapter: 23 Communications
- Title in the code table: COMMUNICATIONS SYSTEM
- Service difficulty reports: 1,971
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=18
- Page: https://openairdocs.org/jasc/2300

## What it covers

The units and components furnishing a means of communicating from one part of the aircraft to another and between the aircraft or ground stations, includes voice, data, continuous wave (C-W) communicating components, passenger announcement systems, intercom, inflight telephones, and tape reproducers-record player. Use this code when insufficient information is reported to file in a more specific JASC 2300 series code. Also for reports of units or parts common to more than one communication system.

## Service difficulty reports (1,971, newest 50)

- [SDR QR9R2026101900001](https://openairdocs.org/sdr/QR9R2026101900001), Oct 19, 2026: Bolkms BK117C2. TRANSCEIVER. INOPERATIVE. RADIO NR 4 INOPERATIVE, DURING START RUN-UP. REMOVED AND REPLACED TRANSCEIVER RT5000/P25; MOC SUCCESSFULLY COMPLETED.
- [SDR SIMA20261002001](https://openairdocs.org/sdr/SIMA20261002001), Oct 2, 2026: Emb ERJ170200LR. MODEM MANAGER. FAILED. FOUND MODEM MANAGER TO BE INOP WITH STRONG ELECTRICAL BURNING ODOR. WIFI INOP. ATTEMPTED RESET. IMMEDIATELY SMELLED FUME (N302RN)
- [SDR QR9R2026090300001](https://openairdocs.org/sdr/QR9R2026090300001), Sep 3, 2026: Bolkms BK117C2. TRANSCEIVER. FAULTY. DURING FLIGHT, #4 RADIO COULD RECEIVE BUT WAS INTERMITTENT ON TRANSMIT. REMOVED AND REPLACED TRANSCEIVER IAW CMM BK 117 
- [SDR CALA2026090119178](https://openairdocs.org/sdr/CALA2026090119178), Sep 1, 2026: Airbus A319131. DEU. FAULTED. ODOR SIMILAR TO PLASTIC, CHEMICAL LEAVING FL300. NEVER STRONG. OVEN WAS OFF. ONLY IN FD SUSPECT DEU A WPB U103160, DEU W (N851UA)
- [SDR AALA202609014484](https://openairdocs.org/sdr/AALA202609014484), Aug 30, 2026: Boeing 737823. SUPPRESSOR. INOPERATIVE. AIRCRAFT WAS GROUNDED: CLIMBING OUT OF LGA, FLT CONT CAUTION MESSAGE AND BOTH CA AND FO ELECTRICAL TRIM WOULD NOT FUNCTI (N907AN)
- [SDR QR9R2026082800001](https://openairdocs.org/sdr/QR9R2026082800001), Aug 28, 2026: Bolkms BK117C2. REU. FAILED. WHILE AT HOVER, COMM #2 WOULD NOT TRANSMIT FROM COPILOTS STATION, NO SIDE TONE OR TX INDICATED PILOTS STATION COULD XMIT
- [SDR CALA2026080918413](https://openairdocs.org/sdr/CALA2026080918413), Aug 7, 2026: Boeing 737824. CONTROL PANEL. FAULTY. ON TAKEOFF ROLL RADIOS WENT STATIC THEN LOUD HUM COULD NOT TRANS OR RECEIVE. DURING T/S NOTED THAT ACP NR 3 VHF 1 MIC SE (N14250)
- [SDR SWAA2026081082047](https://openairdocs.org/sdr/SWAA2026081082047), Aug 5, 2026: Boeing 7378. CIRCUIT BREAKER. FAULTED. FWD GALLEY, BLUE PAX CALL LIGHT IS ILLUMINATED AND WILL NOT EXTINGUISH. CYCLED CIRCUIT BREAKERS FOR FWD EXIT SIGN LIGHT  (N8876Q)
- [SDR DALA2026073004415](https://openairdocs.org/sdr/DALA2026073004415), Jul 27, 2026: Airbus A319114. MICROPHONE. INOPERATIVE. DURING PREFLIGHT, DISCOVERED FO O2 MASK BOOM MIC INOP. SWAPPED FO WITH 4TH OCCUPANT SEAT MASK PER A319 AMM 35-12. DEFERR (N315NB)
- [SDR DALA2026072804377](https://openairdocs.org/sdr/DALA2026072804377), Jul 25, 2026: Airbus A319114. AMU. FAILED. F/O O2 MASK NO AUDIO ON TEST. R & R AMU IAW AMM 23-51. PERFORMED BITE TEST OF THE AMU IAW AMM 23-51.TEST OK. PERFORMED O (N315NB)
- [SDR SWIA2026070876733](https://openairdocs.org/sdr/SWIA2026070876733), Jul 8, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH FWD ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPLIED W (N146SY)
- [SDR SWIA2026070876732](https://openairdocs.org/sdr/SWIA2026070876732), Jul 8, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH RT SIDE ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS, AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPL (N146SY)
- [SDR SWIA2026070876731](https://openairdocs.org/sdr/SWIA2026070876731), Jul 8, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH LT SIDE ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS AND M-93 ERJ175-53-26-01 (EA ERJ4111-44) COMPLIE (N146SY)
- [SDR SWIA2026070876730](https://openairdocs.org/sdr/SWIA2026070876730), Jul 8, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH AFT ATG ANTENNA PERMANENT REPAIR REF. DRAWING 170-2365-02-RS AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPL (N146SY)
- [SDR 2026FA0000561](https://openairdocs.org/sdr/2026FA0000561), Jul 1, 2026: Boeing 7878. CONTROL PANEL. STUCK. LEFT ACP GETTING STUCK ON PA. LEFT ACP WAS SWAPPED WITH RIGHT ACP IAW AMM DMC-B787-A-23-51-03-00A-520A-A/720A-A (N792AV)
- [SDR ABXA20260630297](https://openairdocs.org/sdr/ABXA20260630297), Jun 30, 2026: Boeing 767300. SATCOM. WARNING MESSAGE. AFTER BLOCK OUT ON TAXI, RECIEVED DATA LINK LOSS MESSAGE. RAN QRH 5.1 AND CONSULTED MAINT DISCREPANCY FLOWCHART. RETURNE (N673AZ)
- [SDR QR9R2026062600001](https://openairdocs.org/sdr/QR9R2026062600001), Jun 26, 2026: Bolkms BK117C2. CONTROLLER. FAILED. DURING RUN-UPS RADIO WOULD NOT POWER UP. WOLFSBURG THEN STARTED TO HEAT UP. REMOVED AND REPLACED C-5000 CONTROLLER IAW C
- [SDR IPXA2026070121828](https://openairdocs.org/sdr/IPXA2026070121828), Jun 24, 2026: Boeing 76734AF. ANTENNA. ERODED. FOUND V.S.T HF ANTENNA (321E) EROSION. REMOVE THE EROSION MATERIALS AND CLEAN. BOND THE REPAIR PLIES WITH FILM ADHESIVE  (N304UP)
- [SDR IPXA2026062926186](https://openairdocs.org/sdr/IPXA2026062926186), Jun 24, 2026: Boeing 76734AF. ANTENNA. ERODED. VST HF ANTENNA (321E) ERODED. PANEL 321E, OK TO INSTALL CHKD OK. (N330UP)
- [SDR CALA2026062517350](https://openairdocs.org/sdr/CALA2026062517350), Jun 23, 2026: Boeing 7379. REU. FAULTED. BOTH HF INOP LOCKED LP FOR POSITIVE MX ACTION. REMOVED &REPLACED REMOTE ELECTRONICS UNIT REF AMM TASK 23-51-01-400-801.  (N27511)
- [SDR UIEA2026061500501](https://openairdocs.org/sdr/UIEA2026061500501), Jun 15, 2026: Boeing 777F. AMU. FAULTED. FO OXYGEN MASK MIC INOPERATIVE. R & R AMU & OPS CHK NORMAL IAW AMM 23-51-04/401 & IPC 23-51-04-01. (N712GT)
- [SDR IPXA2026062158828](https://openairdocs.org/sdr/IPXA2026062158828), Jun 14, 2026: Boeing 76734AF. ANTENNA. ERODED. FOUND VST HF ANTENNA (321E) ERODED. IAW NDT MANUAL PART 1, 51-01-01 & PART 4, 51-00-03, REV.143 TO PERFORM NDT/UT FOR TH (N334UP)
- [SDR IPXA2026061611571](https://openairdocs.org/sdr/IPXA2026061611571), Jun 11, 2026: Boeing 76734AF. ANTENNA. ERODED. FOUND V.S.T HF ANTENNA (321E) EROSION. (N353UP)
- [SDR QR9R2026061000001](https://openairdocs.org/sdr/QR9R2026061000001), Jun 10, 2026: Bolkms BK117C2. AUDIO CONTROL. NOISY. AUDIO CONTROL UNIT WAS RECEIVED NEW FROM AIRBUS. AFTER INSTALLATION, TECHNICIANS DETECTED LOUD STATIC NOISE ON ICS.
- [SDR YENA2026061000470](https://openairdocs.org/sdr/YENA2026061000470), Jun 10, 2026: Airbus A321271NX. CONTROL PANEL. FAILED. FLT # 346, BCN-BOS. (ETOPS) "MULTIPLE DIGITS OUT ON CAPT RMP STBY FREQ. DISPLAY; REMOVED AND REPLACED #1 RMP IAW AMM 23- (N4048J)
- [SDR SWIA2026060276614](https://openairdocs.org/sdr/SWIA2026060276614), Jun 2, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH AFT ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS, AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPLIED  (N145SY)
- [SDR SWIA2026060276613](https://openairdocs.org/sdr/SWIA2026060276613), Jun 2, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH RH SIDE ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS, AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPL (N145SY)
- [SDR SWIA2026060276612](https://openairdocs.org/sdr/SWIA2026060276612), Jun 2, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH FWD ATG ANTENNA PERMANENT REPAIR REF. DWG 170-2365-02-RS AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPLIED  (N145SY)
- [SDR SWIA2026060276611](https://openairdocs.org/sdr/SWIA2026060276611), Jun 2, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH LT SIDE ATG ANTENNA PERMANENT REPAIR REF. DWG 170-2365-02-RS AND M-93 ERJ175-53-26-01 (EA ERJ4111-44). COMPL (N145SY)
- [SDR IPXA2026060462876](https://openairdocs.org/sdr/IPXA2026060462876), Jun 2, 2026: Boeing 767300. ANTENNA. ERODED. FOUND V.S.T HF ANTENNA ( 321E ) EROSION. PERFORMED NDT/UT FOR REWORKED AREA AND PLUS 6" AROUND HEATED AREA I.A.W. B767 N (N397UP)
- [SDR DALA2026052903250](https://openairdocs.org/sdr/DALA2026052903250), May 27, 2026: Airbus A319114. WARNING MESSAGE. ILLUMINATED. REJECTED TAKEOFF AT APPROX.30 KTS DUE TO A COMMUNICATION ECAM. (F/O'S PTT SWITCH.) MAINTENANCE IN PROGRESS. (LP: 1616037 (N355NB)
- [SDR SWIA2026052676306](https://openairdocs.org/sdr/SWIA2026052676306), May 26, 2026: Emb ERJ170200LR. ANTENNA. OUT OF LIMITS. COMPLY WITH RT SIDE ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS AND M-93 ERJ 175-53-26-01 (EA ERJ4111-44) COMPLI (N181SY)
- [SDR SWIA2026052676301](https://openairdocs.org/sdr/SWIA2026052676301), May 26, 2026: Emb ERJ170200LR. ANTENNA. OUT OF LIMITS. COMPLY WITH LH SIDE ATG ANTENNA PERMANENT REPAIR IAW DWG 170-2365-02-RS AND ERJ175-53-26-01 (EA ERJ4111-44). COMPLIED WI (N181SY)
- [SDR U0GA20260000431](https://openairdocs.org/sdr/U0GA20260000431), May 26, 2026: Agusta AW119MKII. RADIO. SHORTED. PILOT REPORT - WAS FLYING ALONG STRAIGHT AND LEVEL AND SUDDENLY SMELLED A PLASTICKY ELECTRIC SMELL. STARTED TO TROUBLE S (N330JN)
- [SDR QR9R2026051100001](https://openairdocs.org/sdr/QR9R2026051100001), May 11, 2026: Bolkms BK117C2. TRANSCEIVER. FAULTY. DURING RUN-UP RADIO CHECKS, THE #4 COMM WAS UNREADABLE WITH A LOT OF STATIC. REMOVED AND REPLACED TRANSCEIVER RT5000/P25
- [SDR SWIA2026042275981](https://openairdocs.org/sdr/SWIA2026042275981), Apr 22, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH AFT ATG ANTENNA PERMANENT REPAIR REF. DRAWING 170-2365-02-RS AND M-93 ERJ175-53-26-01. COMPLIED WITH AFT ATG (N402SY)
- [SDR SWIA2026042275980](https://openairdocs.org/sdr/SWIA2026042275980), Apr 22, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH FWD ATG ANTENNA PERMANENT REPAIR REF. DRAWING 170-2365-02-RS AND M-93 ERJ175-53-26-01. COMPLIED WITH FWD ATG (N402SY)
- [SDR SWIA2026042275979](https://openairdocs.org/sdr/SWIA2026042275979), Apr 22, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH RH SIDE ATG ANTENNA PERMANENT REPAIR REF. DRAWING 170-2365-02-RS AND M-93 ERJ175-53-26-01. COMPLIED WITH RH  (N402SY)
- [SDR SWIA2026042275977](https://openairdocs.org/sdr/SWIA2026042275977), Apr 22, 2026: Emb ERJ170200LR. ANTENNA. DAMAGED. COMPLY WITH LH SIDE ATG ANTENNA PERMANENT REPAIR REF. DRAWING 170-2365-02-RS AND M-93 ERJ175-53-26-01. COMPLIED WITH LH  (N402SY)
- [SDR SWAA2026041588660](https://openairdocs.org/sdr/SWAA2026041588660), Apr 12, 2026: Boeing 7378. LAMP. INOPERATIVE. AFT F/A CALL LIGHT INOP (BLUE). RELAMPED EXIT SIGN AFT FLIGHT ATTENDANT CALL LIGHT BLUE IAW AMM 33-51-01. OPS CHECK GOOD (N8711Q)
- [SDR YENA2026040300367](https://openairdocs.org/sdr/YENA2026040300367), Apr 1, 2026: Airbus A321271NX. RADIO. FAILED. FLT # 178 LAS-BOS (ETOPS). FO SIDE STBY/CRS SEGMENT 1ST MISSING DIGIT. REMOVED AND REPLACED FO SIDE RADIO MANAGEMENT PAN (N2157J)
- [SDR 2A6R2026040175301](https://openairdocs.org/sdr/2A6R2026040175301), Apr 1, 2026: Urocop EC135P2. ANTENNA. WRONG PART. THE TECHNISONIC TDFM 9100 MULTI-BAND TRANSCEIVER AND RC-9100 REMOTE CONTROLLER SYSTEM WERE INSTALLED ON THIS ACFT UTILIZ (N917AC)
- [SDR 3EJA2026042800026](https://openairdocs.org/sdr/3EJA2026042800026), Mar 28, 2026: Cessna 525B. RADIO. MALFUNCTIONED. AT APPROXIMATELY FL230 CLIMBING, ENROUTE TO FRG, EXPERIENCED TOTAL PASS OF COMMS WHERE BOTH SEATS AND BOTH RADIO 1 AND C (N739JS)
- [SDR DALA2026032702030](https://openairdocs.org/sdr/DALA2026032702030), Mar 24, 2026: Airbus A350941. DISPLAY. FAULTED. ON INITIAL TAXI OUT THE SCREEN AT 2A POPPED, REBOOTED AND ACCOMPANIED WITH ELECTRICAL SMELL. RETURNED TO NORMAL AND RETU (N523DN)
- [SDR AALA202603209083](https://openairdocs.org/sdr/AALA202603209083), Mar 19, 2026: Boeing 737823. AUDIO PANEL. SMOKE. AIRCRAFT WAS GROUNDED: SMOKE COMING FROM CENTER CONSOLE ON LEFT SIDE. DISCOVER NUMBER 1 ACP VHF 2 VOLUME CONTROL KNOB IN (N934AN)
- [SDR UIEA2026030700079](https://openairdocs.org/sdr/UIEA2026030700079), Mar 7, 2026: Boeing 767324. MICROPHONE. INOPERATIVE. F/O O2 MASK MIC WOULD NOT TRANSMIT(<P>SWAPPED 2ND OBSERVER O2 ASSY TO F/O. OPS CHECK GOOD. LEAK CHECK GOOD IAW B767 AMM  (N645GT)
- [SDR YENA2026020600156](https://openairdocs.org/sdr/YENA2026020600156), Feb 6, 2026: Airbus A321271NX. CIDS. NO DISCREPANCY. FLT 2915, JFK (ETOPS). FWD AIP GREEN IND INOPERATIVE, CABIN INTERCOMMUNICATION DATA SYSTEM (CIDS) 2) ATTENDANT INDICATIO (N4076J)
- [SDR DALA2026020200762](https://openairdocs.org/sdr/DALA2026020200762), Jan 31, 2026: Airbus A321213. PANEL. FAULTED. DUE TO FAINT ELECTRICAL SMELL. FOUND CAM CARD 115RH IN FAP (120RH) PANEL FAULTING AND WITH HIGHER SCENT OF ELECTRICAL OD (N358DN)
- [SDR DALA2026020200758](https://openairdocs.org/sdr/DALA2026020200758), Jan 28, 2026: Boeing 717200. RADIO. ODOR. OOD SMELL IN FWD LAV AND EMERG EQUIP DOOR TO RIGHT OF LAV. ODOR LIKE A HOT ELECTRIC MOTOR OR ARMATURE. VERY FAINT ODOR B (N920AT)
- [SDR DXTA2026012706658](https://openairdocs.org/sdr/DXTA2026012706658), Jan 24, 2026: Bombdr BD1001A10. AUDIO CONTROL. FAULTED. AT CRUISE A VERY LOUD PULSATING ALARM SOUNDED THROUGH ALL CABIN AND GALLEY SPEAKERS. STARTED TO SMELL AN ODOR AFTER 30 M (N790QS)

All 1,971: https://openairdocs.org/jasc/2300/reports.md

## Airworthiness concern sheets (1)

- [AIR760-2010-02-S-2300-ACS](https://openairdocs.org/acs/AIR760-2010-02-S-2300-ACS): Communications. Issued Apr 1, 2010

## Other codes in chapter 23

- [JASC 2310](https://openairdocs.org/jasc/2310): HF Communications System (1,684 reports)
- [JASC 2311](https://openairdocs.org/jasc/2311): UHF Communications System (69 reports)
- [JASC 2312](https://openairdocs.org/jasc/2312): VHF Communications System (1,271 reports)
- [JASC 2320](https://openairdocs.org/jasc/2320): Data Transmission Auto Call (106 reports)
- [JASC 2330](https://openairdocs.org/jasc/2330): Entertainment System (802 reports)
- [JASC 2340](https://openairdocs.org/jasc/2340): Interphone/Passenger Announcement (PA) System (755 reports)
- [JASC 2350](https://openairdocs.org/jasc/2350): Audio Integrating System (628 reports)
- [JASC 2360](https://openairdocs.org/jasc/2360): Static Discharge System (104 reports)
- [JASC 2370](https://openairdocs.org/jasc/2370): Audio/Video Monitoring (219 reports)
- [JASC 2397](https://openairdocs.org/jasc/2397): Communications System Wiring (430 reports)

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