# JASC 2350: Audio Integrating System

- Type: JASC system/component code (FAA)
- ATA chapter: 23 Communications
- Title in the code table: AUDIO INTEGRATING SYSTEM
- Service difficulty reports: 627
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=19
- Page: https://openairdocs.org/jasc/2350

## What it covers

For reports of the system components and parts including the control panel and amplifier which controls output of communications and navigation receivers into flight crew headphones and speakers. Also includes output from microphones into communications transmitters. Typical parts are microphones, cockpit speakers, and headphones, etc.

## Service difficulty reports (627, newest 50)

- [SDR YENA2026100200921](https://openairdocs.org/sdr/YENA2026100200921), Oct 1, 2026: Airbus A320232. IFE EQUIPMENT. ODOR. FLT 1033, MCO-SJU. REF LOG PAGE 4702454 ITEM 1. DURING CLIMB FA REPORT ELECTRICAL ODOR. COMPLIED WITH INFORMATION NOTICE (N588JB)
- [SDR DALA2026082604831](https://openairdocs.org/sdr/DALA2026082604831), Aug 25, 2026: Airbus A320212. SPEAKER. FAILED. DURING TAXI OUT IN MODERATE RAIN A LOUD SQUEALING SOUND STARTED THEN STOPPED AFTER 5 SECONDS. SHORTLY AFTER AN ARCHING S (N369NW)
- [SDR AALA202601274171](https://openairdocs.org/sdr/AALA202601274171), Jan 26, 2026: Boeing 737823. MICROPHONE. INOPERATIVE. AIRCRAFT WAS GROUNDED: FIRST OFFICER HEADSET JACK AND MICROPHONE INOPERATIVE. CANNOT PERFORM EMERGENCY PROCEDURES ON BLO (N909AN)
- [SDR HALA20250521145](https://openairdocs.org/sdr/HALA20250521145), May 20, 2025: Airbus A330243. SPEAKER. INOPERATIVE. ETOPS - LAV 4R OVERHEAD SPEAKER INOP. REPLACED SPEAKER IAW AMM 23-73-51. OP CHECK GOOD. (N380HA)
- [SDR AALA202505028562](https://openairdocs.org/sdr/AALA202505028562), May 1, 2025: Airbus A319112. AMU. INOPERATIVE. AIRCRAFT WAS GROUNDED: PHL RETURN DUE TO LOSS OF ACP 1. AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REPLACE (N177XF)
- [SDR 2025FA0000191](https://openairdocs.org/sdr/2025FA0000191), Mar 17, 2025: Piper PA24250. AUDIO PANEL. SMOKE. AUDIO PANEL EMITTED SMOKE, FILLING THE CABIN. PILOT WAS FORCED TO DEACTIVATE AIRCRAFT ELECTRICAL SYSTEM AND MAKE AN EMER (N8051P)
- [SDR QXEA2025011700009](https://openairdocs.org/sdr/QXEA2025011700009), Jan 15, 2025: Emb ERJ170200LR. INTERFACE MODULE. MALFUNCTIONED. FLIGHT 9988. STUCK MIC COM 1, INTERCOM TRANSMITTING OVER PA. CONSTANT TRIPPLE CHIME IN THE CABIN. REMOVED FROM SERVICE.  (N625QX)
- [SDR QXEA2024111500274](https://openairdocs.org/sdr/QXEA2024111500274), Nov 14, 2024: Emb ERJ170200LR. AUDIO PANEL. MALFUNCTIONED. FLIGHT 2003. WHILE IN CRUISE FLIGHT, AUDIO CONTROL PANEL( CAPTAINS SIDE) HAD A HIGH PITCHED SQUEAL FOLLOWED QUICKLY BY I (N629QX)
- [SDR CALA2024111401139](https://openairdocs.org/sdr/CALA2024111401139), Nov 12, 2024: Boeing 7879. USB PORT. INOPERATIVE. SEAT AUDIO INOPERATIVE 20A FAULT CONFIRMED FOR USB INOP AT SEAT 20A. ATTEMPTED TO R&R USB PORT NO HELP. RETURNED PC TO O (N24974)
- [SDR AALA202402066618](https://openairdocs.org/sdr/AALA202402066618), Feb 5, 2024: Boeing 737823. FUSE. FAILED. AIRCRAFT IN BASE MAINTAINCE: L2 DOOR ESCAPE SLIDE EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT BATT (N991AN)
- [SDR HALA2022113000303](https://openairdocs.org/sdr/HALA2022113000303), Nov 29, 2022: Airbus A321271N. CONTROL VALVE. FAULTED. ETOPS- A/C PACK NR 2 REGULATOR FAULT DURING CLIMB THROUGH 14,000 FT. CABIN CREW STATED TEMP TOO WARM. REMOVED AND REPLAC (N209HA)
- [SDR AALA202208100185](https://openairdocs.org/sdr/AALA202208100185), Aug 9, 2022: Boeing 737. NONE. MISSING. AIRCRAFT WAS NOT GROUNDED: EMERGENCY FLOOR LIGHT HOUSING LOOSE AND MISSING HARDWARE ROW 14C,19C, 24C, 28C. REPLACED ALL  (N943NN)
- [SDR DALA2022031701780](https://openairdocs.org/sdr/DALA2022031701780), Mar 8, 2022: Airbus A320212. NONE. NONE. SHIP 3256- ATO - DUE TO ECAM MESSAGE COM MIC PTT STUCK AFTER TAKING RUNWAY. ATC CONFIRMED THE AIRCRAFT WAS TRANSMITTING. (N356NW)
- [SDR ASAA2022021437445](https://openairdocs.org/sdr/ASAA2022021437445), Feb 14, 2022: Boeing 737990ER. PANEL. INOPERATIVE. BOTH HF LIGHTS ON HF/SAT SELECT XFER ARE NOT ILLUMINATED IN AIR OR ON GROUND. LIGHTS TEST SHOWS LIGHTS ARE NOT BURNED OU (N471AS)
- [SDR 9JLA2021121731656](https://openairdocs.org/sdr/9JLA2021121731656), Dec 11, 2021: Gulstm 200. AUDIO CONTROL. INOPERATIVE. THE FLIGHT CREW REPORTED THE CO-PILOTS AUDIO PANEL COMMUNICATION INOPERATIVE WITH PILOT SIDE. THE MAINTENANCE TEAM TROUB (N1PK)
- [SDR DALA2020101203334](https://openairdocs.org/sdr/DALA2020101203334), Oct 10, 2020: Boeing 767432ER. AUDIO CONTROL. MALFUNCTIONED. PILOT REPORTED FLIGHT DECK CHIME IS EXTREMELY LOUD TO THE POINT OF BEING PAINFUL AND DISTRACTING, POTENTIAL SAFETY OF FL (N834MH)
- [SDR CALA2020091501097](https://openairdocs.org/sdr/CALA2020091501097), Sep 8, 2020: Boeing 737724. AUDIO CONTROL. INOPERATIVE. ALL RADIOS INTERMITTANT, HAD TO DISC ALL HEADSETS TO COMMUNICATE AND STILL INTERMIT. RTB IAH FOUND F/O'S ASP, I/C SWITCH (N23721)
- [SDR SCNA202009085051](https://openairdocs.org/sdr/SCNA202009085051), Sep 5, 2020: Boeing 7378. AUDIO PANEL. SMOKE. NR 1 RADIO PANEL SMOKING IN FLIGHT. DIVERSION TO IFP. SOURCE OF SMOKE DETERMINED ON NR 1 ACP, NR 1 ADF SELECTOR AND INDI (N5683A)
- [SDR FDIA2020060900001](https://openairdocs.org/sdr/FDIA2020060900001), Jun 7, 2020: Cessna 500CESSNA. AUDIO CONTROL. MALFUNCTIONED. PILOTS STARTED HAVING COMMUNICATION PROBLEMS AND THEN SMELLED SMOKE. THE CO-PILOT STILL HAD SOME COMMUNICATION CAPABILIT (N633AT)
- [SDR SIMA202003198001](https://openairdocs.org/sdr/SIMA202003198001), Mar 18, 2020: Emb EMB135KL. AUDIO PANEL. FAILED. ELECTRICAL BURNING SMELL AS INDICATED ON PAGE 9134 MECH DISC #1-C/A-PERFORMED WORK SCOPE FROM MOC AND FIM TASK # 21-20-0 (N818AE)
- [SDR AALA202003069021](https://openairdocs.org/sdr/AALA202003069021), Mar 2, 2020: Airbus A321211. AMU. DEFECTIVE. AIRCRAFT WAS GROUNDED: UNABLE TO TRANSMIT OR RECIEVE ON #2 OR #3 RADIOS. **SUPPLEMENTAL ACTION SECT 4 AND 5: REPLACED AM (N186US)
- [SDR AALA202002069003](https://openairdocs.org/sdr/AALA202002069003), Feb 4, 2020: Boeing 737823. AMPLIFIER. FAILED. AIRCRAFT WAS GROUNDED: CAPTAINS COMMUNICATION COMPLETELY INOPERATIVE USING ANY HEADSET. INTERCOM LOUD BUZZ. ATC-VHF LOUD (N903AN)
- [SDR 120B2020011300006](https://openairdocs.org/sdr/120B2020011300006), Jan 13, 2020: Boeing 767323. MICROPHONE. INOPERATIVE. FIRST OFFICER'S HAND MIC IS INOPERATIVE. (N225NE)
- [SDR CALA2020010600084](https://openairdocs.org/sdr/CALA2020010600084), Jan 3, 2020: Boeing 737724. AUDIO PANEL. MALFUNCTIONED. CAPTS INTERCOM PANEL WILL NOT TRANSMITT ON AN Y RADIO FROM PTT SWITCH OR HAND MIC. REPLACED ACP PANEL. GROUND TEST GOOD  (N16701)
- [SDR AALA2019122649013](https://openairdocs.org/sdr/AALA2019122649013), Dec 22, 2019: Boeing 737823. JACK. FAULTY. AIRCRAFT NOT GROUNDED: PILOT REPORTS LOUD 400 MHZ TONE BLEED THRU AUDIO, SAFETY OF FLIGHT MAKES IT DIFFICULT TO HEAR ATC (N961AN)
- [SDR AALA201911049011](https://openairdocs.org/sdr/AALA201911049011), Oct 31, 2019: Airbus A320214. CONTROL PANEL. OUT OF TOLERANCE. AIRCRAFT NOT GROUNDED: CREW DECLARED AN EMERGENCY INTO DCA ON ACCOUNT OF VHF RADIO UNABLE TO TRANSMIT. MAINTENANCE REMOV (N109UW)
- [SDR AALA201909239027](https://openairdocs.org/sdr/AALA201909239027), Sep 22, 2019: Airbus A330243. AMU. FAILED. AIRCRAFT WAS GROUNDED: PILOT REPORTS HF DOES NOT TRANSMIT ON EITHER RADIO. RECIEVE IS OK ON BOTH. PROBLEM SURFACED AFTER (N280AY)
- [SDR SIMA201908054002](https://openairdocs.org/sdr/SIMA201908054002), Aug 4, 2019: Emb EMB145LR. CONTROL PANEL. FAILED. AFTER TAKEOFF, A STRONG STATIC NOISE TRANSMITTING TO ALL THREE HEADSETS MAKING IT IMPOSSIBLE TO COMMUNICATE WITH ATC. RE (N610AE)
- [SDR SWAA2019072335235](https://openairdocs.org/sdr/SWAA2019072335235), Jul 23, 2019: Boeing 7377H4. AUDIO PANEL. INOPERATIVE. AIR TURNBACK, #1 COMM RADIO WORKS ON GROUND, DURING CLIMB & CRUISE ITS INOP. R&R THE #1 AUDIO CONTROL PANEL PER AMM. (N751SW)
- [SDR SIMA20190628004](https://openairdocs.org/sdr/SIMA20190628004), Jun 28, 2019: Emb EMB135KL. BUTTON. DEFECTIVE. CABIN CHIME WOULD NOT STOP DINGING IN FLIGHT. COULD NOT HEAR ATC AND CREW COULD NOT ESTABLISH COMM BETWEEN THE TWO OF US (N846AE)
- [SDR CA190524023](https://openairdocs.org/sdr/CA190524023), May 17, 2019: Agusta AW139. CAPSULE. STUCK. (CAN) DEFECT: NO AUDIO WARNING ON SHUTDOWN. RECTIFICATION: 1. FUSE F506 DISCOVERED BLOWN. AURAL WARNING GENERATOR IN MAU
- [SDR CA190605012](https://openairdocs.org/sdr/CA190605012), May 8, 2019: Aerosp ATR42300. RELAY. WRONG PART. (CAN) (*SUP*) RCAU PN CAU2583AB03 S/N 108 RECEIVED FOR REPAIR (CMM 23-51-81). PREVIOUSLY REPAIRED BY PRECISION ELECTRONI
- [SDR F3LA2019040400030](https://openairdocs.org/sdr/F3LA2019040400030), Apr 2, 2019: Airbus A319112. AUDIO PANEL. BURNED. DISCREPANCY: REFERENCE LP1185665-1. PERFORMED AIR TURN BACK IN KLAS ON TAKE OFF, FIRST OFFICER REPORTED LOUD ELECTRONIC  (N910FR)
- [SDR CA190402006](https://openairdocs.org/sdr/CA190402006), Mar 31, 2019: Dhav DHC8102. CONTROL PANEL. ODOR. (CAN) ON INITIAL CLIMB OUT FLIGHT CREW REPORTED LIGHT ELECTRICAL BURN SMELL. MAINTENANCE IDENTIFIED THAT THE SMELL WAS C
- [SDR YV3R2019030100036](https://openairdocs.org/sdr/YV3R2019030100036), Feb 27, 2019: Robsin R44RAVENII. AUDIO CONTROL. MALFUNCTIONED. CUSTOMER REPORTED AUDIO CONTROL PANEL LIGHT REMAINED OFF AFTER ENGINE START, BOTH INTERCOM AND RADIO TELECOMMUNICATIONS 
- [SDR 2018F00133](https://openairdocs.org/sdr/2018F00133), Oct 16, 2018: Doug MD83. SPEAKER. FAILED. DURING OPERATIONAL CHECK OF THE COCKPIT SPEAKER, THE UNIT FAILED TO FUNCTION. (N83GF)
- [SDR CA180423022](https://openairdocs.org/sdr/CA180423022), Apr 23, 2018: Dhav DHC6300. AUDIO CONTROL. MALFUNCTIONED. (CAN) IT HAS BEEN DISCOVERED THAT WHEN BOTH AUDIO PANEL MIC SELECTIONS ARE SELECTED TO COM POSITION 3 A PTT TRANSMIT ON 
- [SDR XGKR2018022600004](https://openairdocs.org/sdr/XGKR2018022600004), Feb 15, 2018: Cessna T240. AUDIO PANEL. FAILED. LOSS OF COMMUNICATION. COMPLETE LOSS OF COMMUNICATION RADIO TRANSMIT AND RECEIVE AND INTERCOM FUNCTION. (N240DW)
- [SDR YENA201711250961](https://openairdocs.org/sdr/YENA201711250961), Nov 25, 2017: Airbus A320232. AMU. FAULTY. FLT 88, FLL-ALB. COMM 1 & 2 ONLY TRANSMIT ON 119.3 RECEIVE ON ALL FREQ. T/S AND FOUND F/O'S BOOMSET DEFECTIVE, REPLACED  (N606JB)
- [SDR REXA2017091901014](https://openairdocs.org/sdr/REXA2017091901014), Sep 19, 2017: Cndair CL6002B19. MICROPHONE. INOPERATIVE. OBSEVER OXYGEN MASK MICROPHONE INOPERATIVE. R & R THE OXYGEN MASK IAW AMM 35-11-12. PERFORMED AN OPS CHECK IAW AMM 23-51 (N8886A)
- [SDR SWAA2017092016463](https://openairdocs.org/sdr/SWAA2017092016463), Sep 18, 2017: Boeing 7378H4. AUDIO PANEL. MALFUNCTIONED. AIR RETURN/DECLARED EMERGENCY, SMOKE IN COCKPIT. FIRST OFFICER'S AUDIO SELECT PANEL SMOKING. R&R AUDIO SELECT PANEL PER  (N8319F)
- [SDR REXA2017061200701](https://openairdocs.org/sdr/REXA2017061200701), Jun 12, 2017: Cndair CL6002B19. CONNECTOR. LOOSE. OBSERVER OXYGEN MASK MICROPHONE INOPERATIVE. CONNECTED THE CONNECTOR ON OBSERVERS O2 MASK CASE. PERFORMED AUDIO INTEGRAT (N8783E)
- [SDR REXA2017041300503](https://openairdocs.org/sdr/REXA2017041300503), Apr 13, 2017: Cndair CL6002B19. CONTROL UNIT. LOOSE. FIRST OFFICER`S OXYGEN MASK FAILED TO TEST OVER THE SPEAKER. REPLACED THE OXYGEN BOX IAW AMM 35-11-15. DURING OPERATIONA (N8886A)
- [SDR AALA201704119025](https://openairdocs.org/sdr/AALA201704119025), Apr 10, 2017: Doug MD83. BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS INOP AT MID GALLEY OVERHEAD . R&R BATT PACK B5-107 IAW MM 33-53-00. EMERGENCY LT OP OK. THE AIRCRAFT WA (N9617R)
- [SDR AALA201703299018](https://openairdocs.org/sdr/AALA201703299018), Mar 25, 2017: Boeing 737823. AUDIO PANEL. SHORTED. AFTER BRIEF ELECTRICAL ODOR AND CRACKLING IN FO HEADSET THE FO COMM PANEL WAS INOPERATIVE IN NORMAL. ALT OK. REMOVED AND (N982NN)
- [SDR DALA2017032302352](https://openairdocs.org/sdr/DALA2017032302352), Mar 22, 2017: Doug MD88. HANDSET. ODOR. FWD FA HANDSET INOP AND HAS SLIGHT ELECTRICAL ODOR. REPLACED HANDSET. CKS GOOD. (N974DL)
- [SDR JIKA2016101301](https://openairdocs.org/sdr/JIKA2016101301), Oct 13, 2016: Swrngn SA227AT. CONTROL PANEL. FAILED. AUDIO CONTROL PANEL FAILED AND PRODUCED SMOKE AND TRIPPED THE CIRCUIT BREAKER. THE AUDIO CONTROL PANEL, WAS REMOVED AND  (N249DH)
- [SDR REXA2016100801919](https://openairdocs.org/sdr/REXA2016100801919), Oct 8, 2016: Cndair CL6002B19. MICROPHONE. INOPERATIVE. CAPTAIN`S OXYGEN MASK MICROPHONE INOPERATIVE. FOUND CAPTAINS OXYGEN MASK BOX UNDERSIDE AUDIO CONNECTOR TO BE DISCONNECTE (N8924B)
- [SDR VNAA2016082200029](https://openairdocs.org/sdr/VNAA2016082200029), Aug 22, 2016: Cndair CL6002C10. AUDIO PANEL. INOPERATIVE. CAPTAIN`S AUDIO CONTROL PANEL FAILED IN FLIGHT, OBSERVERS AUDIO CONTROL PANEL WAS ALREADY DEFERRED. CREW DIVERTED AND LA (N503AE)
- [SDR ASAA2016070117217](https://openairdocs.org/sdr/ASAA2016070117217), Jul 1, 2016: Boeing 737990ER. ELECTRONIC UNIT. FAILED. SATCOMS 1 AND 2 COULD DIAL AND RECEIVE DISPATCH COMMUNICATION, BUT COULD NOT TRANSMIT SUCCESSFULLY. ACCOMPLISHED QRH FOR (N431AS)

All 627: https://openairdocs.org/jasc/2350/reports.md

## Other codes in chapter 23

- [JASC 2300](https://openairdocs.org/jasc/2300): Communications System (1,971 reports)
- [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 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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