# JASC 2431: Battery Overheat Warning System

- Type: JASC system/component code (FAA)
- ATA chapter: 24 Electrical Power
- Title in the code table: BATTERY OVERHEAT WARN. SYSTEM
- Service difficulty reports: 82
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=20
- Page: https://openairdocs.org/jasc/2431

## What it covers

The system parts that sense and warn/indicate of a battery overtemperature condition. Typical parts are sensor, lamp, gauge, etc.

## Service difficulty reports (82, newest 50)

- [SDR DXTA2025080804367](https://openairdocs.org/sdr/DXTA2025080804367), Jul 26, 2025: Emb EMB545. GENERATOR. FAULTED. AFTER TAKEOFF ABOUT 2000FT WE RECIEVED AN AMBER "BATT 2 DISCHARGING" WE RAN THE ELECTRONIC CHECKLIST WHICH HAD US CHECK  (N271QS)
- [SDR DXTA2025080404367](https://openairdocs.org/sdr/DXTA2025080404367), Jul 26, 2025: Emb EMB545. GENERATOR. FAULTY. AFTER TAKEOFF, AT ABOUT 2000FT, RECIEVED AN AMBER BATTERY 2 DISCHARGING. RAN THE ELECTRONIC CHECKLIST WHICH HAD US CHECK (N271QS)
- [SDR J7SA2025022100434](https://openairdocs.org/sdr/J7SA2025022100434), Feb 18, 2025: Emb EMB545. SHAFT. SHEARED. DIVERTED DUE TO GEN 2 BUS OFF CAS AND RELATED MESSAGES WHILE CLIMBING THROUGH FL430. THE SIC RAN THE CHECKLIST AND ATTEM (N416FX)
- [SDR J7SA2025030400435](https://openairdocs.org/sdr/J7SA2025030400435), Feb 3, 2025: Emb EMB550. GENERATOR. FAULTED. AIR TURN BACK DUE TO #1 BATT DISCHARGING CAS MESSAGE DURING CLIMB. CREW CONSULTED THE QRH, CONTACTED ATC, AND REQUESTED  (N602FX)
- [SDR J7SA2024051300398](https://openairdocs.org/sdr/J7SA2024051300398), May 4, 2024: Emb EMB505. GENERATOR. FAILED. ON DESCENT INTO KPHX AT AROUND 10,000FT, CREW NOTICED A LIGHT WHINING NOISE & FELT VIBRATION IN FLOOR & RUDDER PEDALS. R (N353FX)
- [SDR JJBA20220921028](https://openairdocs.org/sdr/JJBA20220921028), Sep 17, 2022: Emb EMB145XR. NONE. NONE. SUPPLEMENTAL (NEW) INFORMATION: FOUND EVIDENCE OF FIRE FROM #2 GEN. PERFORMED FIRE INSPECTION. FOUND LOWER COWLING TO HA (N27200)
- [SDR DXTA2022072566570](https://openairdocs.org/sdr/DXTA2022072566570), Jul 22, 2022: Cessna 560XL. BATTERY. ABNORMAL. BATTERY TEMP LIGHT: ON CLIMBOUT THE MASTER WARNING AND STEADY BATT O'TEMP ANNUNCIATOR LIGHTS ILLUMINATED. CARRIED OUT QR (N660QS)
- [SDR IPXA2022062413841](https://openairdocs.org/sdr/IPXA2022062413841), Jun 23, 2022: Boeing 74744AF. BATTERY. INOPERATIVE. ONE HOUR AFTER LEVEL-OFF, FL390 "BATT CHARGER APU" STATUS MESSAGE "APU BATTERY CHARGER FAIL (BCU-2)"<BR>MSG: 24099<BR>RE (N573UP)
- [SDR UIEA2022052300507](https://openairdocs.org/sdr/UIEA2022052300507), May 23, 2022: Boeing 76731A. TAPE. BROKEN. COCKPIT CAPTAIN'S EVAS TAMPER TAPE BROKEN-FOLLOW ACTIONS LISTED ON WORK CARD A-25-999-18-01 VERIFIED BLOWER BATTERY CHEC (N662GT)
- [SDR UIEA2022052300524](https://openairdocs.org/sdr/UIEA2022052300524), May 23, 2022: Boeing 76731A. BATTERY. FAULT MESSAGE. MAIN BATTERY CHARGER MSG .REMOVED AND REPLACED MAIN BATTERY IAW B767-300 AMM 24-31-01. MSG CLEARED . (N662GT)
- [SDR ASAA2022050538206](https://openairdocs.org/sdr/ASAA2022050538206), May 5, 2022: Boeing 7379. ANNUNCIATOR. FAULTED. "ELEC" ANNUCIATOR ILLUMINATED AFTER LANDING. GROUNDED - YES. BITE PROCEDURE ACCOMPLISHED IAW B737-9 AMM 24-31-00 FAULT M (N935AK)
- [SDR CALA2022012400218](https://openairdocs.org/sdr/CALA2022012400218), Jan 24, 2022: Boeing 737900. BATTERY. DISCHARGED. MASTER CAUTION WITH ASSOCIATED BATTERY DISCHARGE LIGHT BATT AMP -5 WITH 27V REMOVED AND REPLACED MAIN BATTERY IAW AMM 24 (N67815)
- [SDR 2021FA0000347](https://openairdocs.org/sdr/2021FA0000347), Nov 30, 2021: Emb ERJ170200LR. NONE. NONE. BATT2 OVERTEMP AURAL WARNING. DIVERTED TO BHM AND DECLARED EMERGENCY. ACFT STILL OOS. (N85335)
- [SDR CALA2021101401883](https://openairdocs.org/sdr/CALA2021101401883), Oct 14, 2021: Boeing 7379. IDG. NONE. FOUND ON WALK AROUND. #1 ENGINE HAS EVIDENCE OF OIL LEAK ON OBOARD SIDE. FOUND IDG OIL LEVEL SHOWS NO OIL IN SIGHT GLASS (N37508)
- [SDR ABXA2021312018](https://openairdocs.org/sdr/ABXA2021312018), Mar 12, 2021: Boeing 767232. BATTERY. LOW VOLTAGE. MAIN BATTERY CHARGER STATUS MSG AFTER BLOCKOUT. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. INSTALLED NEW BATTER (N740AX)
- [SDR QXEA2018100500360](https://openairdocs.org/sdr/QXEA2018100500360), Oct 5, 2018: Bombdr DHC8402. GENERATOR. MALFUNCTIONED. RAMP REPORTED SPARKS COMING FROM #2 ENGINE. REMOVED FROM SERVICE. REMOVED AND REPLACED #2 DC GEN IAW Q400 AMM TASKS 24-3 (N450QX)
- [SDR QXEA2018042500160](https://openairdocs.org/sdr/QXEA2018042500160), Apr 24, 2018: Bombdr DHC8402. GENERATOR. INOPERATIVE. NR 1 DC GENERATOR CAUTION LIGHT ILLUMINATED IN FLIGHT. E/A CHECKLIST COMPLETED & DC GENERATOR WOULD NOT RESET IAW THE CH (N414QX)
- [SDR ASMF201710090001](https://openairdocs.org/sdr/ASMF201710090001), Sep 24, 2017: Boeing 737752. STATIC INVERTER. FAILED. CAPTAIN REPORTED THAT DURING TAXING TO PLATFORM, THE ELEC LIGHT TURNED ON. MAINTENANCE PERFORMED ELECTRICAL SYSTEM AUTO  (N906AM)
- [SDR FDEA201706281781](https://openairdocs.org/sdr/FDEA201706281781), Jun 28, 2017: Boeing 757204. BATTERY. THERMAL RUNAWAY. APU BATTERY THERMAL RUNAWAY. REPLACED APU BATTERY CHARGER AND APU BATTERY IAW AMM 24-31-04 & AMM 24-31-03 PERFORMED TEST (N923FD)
- [SDR HNAA2015031100084](https://openairdocs.org/sdr/HNAA2015031100084), Mar 11, 2015: Dhav DHC8102. GCU. WARNING LIGHT. DURING CLIMBOUT AT 13,000 FEET, NR 1 DC GENERATOR FAILED WITH CIRCUIT BREAKER E5 ADCI, E3 NAV SWITCH ANN, A3 O/H CONS AN (N941HA)
- [SDR A6WA201542286](https://openairdocs.org/sdr/A6WA201542286), Jan 2, 2015: Cndair CL6002B19. BUSS BAR. DAMAGED. AC ESS BUSS MESSAGE DISPLAYED INTERMITTENTLY. REPLACED AC ESS CIRCUIT BREAKER C2 & BUSS BAR A2B2C2 & B2. OPS CHECKED GOO (N435AW)
- [SDR BONA2014102000002](https://openairdocs.org/sdr/BONA2014102000002), Oct 16, 2014: Bombdr BD1001A10. GENERATOR. SEIZED. RIGHT MAIN GEN FAILED IN FLIGHT. REPORTING THE EVENT BECAUSE WHEN THE GEN SEIZED, THE QUILL SHAFT DID NOT BREAK AWAY. TH (N83JJ)
- [SDR HNAA2013102300545](https://openairdocs.org/sdr/HNAA2013102300545), Oct 23, 2013: Dhav DHC8311. WARNING LIGHT. ILLUMINATED. MASTER WARNING LIGHT FLASHED UPON GEAR RETRACTION, ALONG WITH NR 1 DC GENERATOR CAUTION LIGHT. R & R NR 1 DC GENERATOR I (N331EN)
- [SDR CALA2013090490961](https://openairdocs.org/sdr/CALA2013090490961), Sep 3, 2013: Boeing 777222. BATTERY. FAULTY. MAIN BATTERY CHARGE IS 11 AMPS 28 VOLTS ENTIRE FLIGHT. REPLACED MAIN BATTERY PER AMM, MAIN BATTERY CHECKED NORMAL. (N772UA)
- [SDR DXTA2012111905184](https://openairdocs.org/sdr/DXTA2012111905184), Nov 16, 2012: Cessna 560XL. GCU. FAILED. ON THE GROUND WITH THE APU RUNNING AND GENERATOR ONLINE, THE COCKPIT LIGHT STARTED GETTING BRIGHT AND THE AVIONICS FAN S (N635QS)
- [SDR UALA2011042101922](https://openairdocs.org/sdr/UALA2011042101922), Apr 20, 2011: Boeing 777222. CHARGER. FAILED. BAT CHARGER MAIN BATTERY CHARGER FAILURE. STATUS MSG01- ACTIVE TAXI OUT HARD; MAIN BATTERY IS WEAK. DB- ELMS P310 ELECTR (N776UA)
- [SDR SWIA201023774](https://openairdocs.org/sdr/SWIA201023774), Feb 27, 2010: Cndair CL6002B19. GENERATOR. MALFUNCTIONED. APU GENERATOR INOPERATIVE, LEADS T2 AND T3 BURNED. (FLT 5859) REPLACED APU GENERATOR. (N936SW)
- [SDR J1QA20081019001](https://openairdocs.org/sdr/J1QA20081019001), Oct 19, 2008: Gulstm 200. SENSOR. FAILED. AIRCRAFT DEPARTED KPSP, DURING CLIMB OUT AT 14,000 FEET THE AMBER "EMERGENCY BATTERY OVERHEAT" LIGHT CAME ON. CREW CHECK (N272J)
- [SDR J00A200706001](https://openairdocs.org/sdr/J00A200706001), Aug 9, 2007: Cessna 750. SENSING ELEMENT. DELAMINATED. AC RETURNED TO DEPARTURE AIRPORT IMMEDIATELY IAW EMERGENCY PROCEDURES. BATTERY OVERTEMP RT EICAS MESSAGE. FOUND THE OVER (N706VP)
- [SDR AMWA84889BC](https://openairdocs.org/sdr/AMWA84889BC), May 25, 2007: Beech 1900D. POWER UNIT. WORN. AFTER TAKEOFF, BATTERY CHARGE ANNUN ILLUM. AC CONTINUED TO LIT AND LANDED WITH NO FURTHER INCIDENT. THIS BATTERY CHARGE  (N133YV)
- [SDR DXTA200601760](https://openairdocs.org/sdr/DXTA200601760), Nov 28, 2006: Cessna 750. BATTERY. OVERTEMP. A/C WAS ENROUTE, ON A REPOSITIONING FLIGHT WHEN (BATT NR1 O TEMP) ILLUMINATED. DEVERTED, WHEN TEMPERATURE BEGAN TO RISE  (N923QS)
- [SDR DL73G040979](https://openairdocs.org/sdr/DL73G040979), Oct 13, 2004: Boeing 73735B. CHARGER. UNSERVICEABLE. CREW REPORTED SMELL IN COCKPIT. BATTERY OVERHEATED AND VOLTAGE APPROXIMATELY 18 VOLTS. SMOKE COMING FROM TOP OF BATTERY. (N224DA)
- [SDR DXTA200400309](https://openairdocs.org/sdr/DXTA200400309), May 11, 2004: Cessna 560CESSNA. SENSOR. MALFUNCTIONED. BATTERY TEMP INDICATOR IN FLIGHT INDICATED 180ºF VARIED SLOWLY TO 160ºF, EMEGENCY DECLARED. INDICATION DURING 2 PREVIOUS (N312QS)
- [SDR RAIA00404014](https://openairdocs.org/sdr/RAIA00404014), Apr 23, 2004: Emb EMB145. BATTERY. OVERHEATED. BAT 1 OVHT MESSAGE ON EICAS. MAINTENANCE REMOVED AND REPLACED NR 1 BATTERY. (N821HK)
- [SDR AUS20030632](https://openairdocs.org/sdr/AUS20030632), Jun 20, 2003: Dhav DHC8202. BATTERY. OVERHEATED. (AUS) MAIN BATTERY OVERHEATED.
- [SDR HEEA087005](https://openairdocs.org/sdr/HEEA087005), Jun 4, 2003: Bell 407. CONNECTOR. CRACKED. BATTERY TEMP CONNECTOR CRACKED. REPAIRED. (N467PH)
- [SDR HNAA0200046](https://openairdocs.org/sdr/HNAA0200046), Jun 16, 2002: Dhav DHC8102. MONITOR. INOPERATIVE. MAIN AND AUX BATTERY HOT LIGHTS ILLUMINATED IN FLIGHT. AIRCRAFT RETURNED TO TPA. REPLACED BATTERY TEMP MONITOR. (N906HA)
- [SDR COMA0110145](https://openairdocs.org/sdr/COMA0110145), Sep 25, 2001: Emb EMB120RT. CIRCUIT BREAKER. FLIGHT #5057. DURING PRE-FLIGHT CREW DISCOVERED THE CIRCUIT BREAKER FOR THE FLIGHT IDLE STOP SOLENOID TRIPPED.PERFOMRED  (N463CA)
- [SDR CA010813003](https://openairdocs.org/sdr/CA010813003), Jul 31, 2001: Braero BAE125800A. BATTERY. OVERHEATED. (CAN) DURING CRUISE NR 2 BATTERY OVERHEAT INDICATED IN COCKPIT, CREW DIVERTED TO CYXU, BATTERY WAS REPLACED WITH SERVICA
- [SDR CA010313024](https://openairdocs.org/sdr/CA010313024), Mar 9, 2001: Cessna 172L. BATTERY. FAILED. (CAN) PILOT ENCOUNTERED COMPLETE (GREATER THAN 50 PERCENT) ELECT. FAILURE IN FLT. AFTER ATTEMPTING TO GET A/C RADIOS TO 
- [SDR 20010413CW001](https://openairdocs.org/sdr/20010413CW001), Feb 28, 2001: Cessna 650. SENSOR. DEFECTIVE. TEMPERATURE SENSOR CONNECTOR PINS FOUND TO BE RECESSED EXCESSIVELY. DEFECT FOUND DURING INSPECTION OF BATTERY. THIS COND (N790QS)
- [SDR CA010226002](https://openairdocs.org/sdr/CA010226002), Feb 15, 2001: Cessna 560XL. TERMINAL. FAILED. (CAN) AIRCRAFT ARRIVED AT ST. HUBERT (YHU) PILOTS SHUT DOWN ENGINES AND APU, HAD NO POWER ON AIRCRAFT WITH BATTERY SWITC
- [SDR CA010208013](https://openairdocs.org/sdr/CA010208013), Jan 23, 2001: Braero BAE125800A. BATTERY. OVERHEATED. (CAN) ENGINE ROTATION TOO SLOW AT START ATTEMPTS FOR SUCCESSFUL ENGINE LIGHT OFF. BATTERY VENTED EXCESSIVE AMOUNTS OF SM
- [SDR DLL19010014](https://openairdocs.org/sdr/DLL19010014), Jan 4, 2001: Lkheed 10113853. CIRCUIT BREAKER. FAILED. BATTERY CONDITION LIGHT ON CAT. REPLACED C/B AND REPAIRED WIRE TO C/B. (N765DA)
- [SDR 20010411CW015](https://openairdocs.org/sdr/20010411CW015), Jan 3, 2001: Amd FALCON20. BATTERY. IMPROPER PART. IMPROPER TEMPERATURE PROBE INSTALLED FOR THIS PN BATTERY. TEMERATURE PROBES HAVE BEEN ROUTINELY INSTALLED WITHOUT SPECIF (N312K)
- [SDR 20010207SG006](https://openairdocs.org/sdr/20010207SG006), Dec 27, 2000: Swrngn SA227AC. CONNECTOR. CORRODED. BIL - FLT 2585 - RIGHT BATTERY OVERHEAT LIGHT CAME ON ABOUT 20 MINUTES AFTER DEPARTURE WHILE CLIMBING. CREW FOLLOWED EME (N27465)
- [SDR CA010111012](https://openairdocs.org/sdr/CA010111012), Dec 12, 2000: Pilats PC1245. SENSOR. FAILED. (CAN) BATTERY WAS INSTALLED AFTER SERVIC AND HOT LIGHT WAS ON. TROUBLESHOOTING REVEALED TEMPERATURE SENSOR WAS UNSERVICE
- [SDR RAIA0011001](https://openairdocs.org/sdr/RAIA0011001), Nov 1, 2000: Jetair JETSTM4101. BATTERY. FAILED. 7023-STL- LEFT BATTERY CAPTION ILLUMINATED DURING TAXI. MAINTENANCE INSPECTED AND REPLACED LEFT BATTERY. (N552HK)
- [SDR 20001027SH001](https://openairdocs.org/sdr/20001027SH001), Oct 4, 2000: Cessna 750. SENSOR. FAULTY. AGC - FLT 14740 - AFTER TAKEOFF WHILE IN CRUISE, CREW REPORTED THE NR 1 BATTERY AS INDICATING AN OVERHEAT CONDITION. THE (N5114)
- [SDR 20000810SH010](https://openairdocs.org/sdr/20000810SH010), Jul 6, 2000: Swrngn SA227AC. CONNECTOR. DAMAGED. DFW - FLT 1325 - BATTERY OVERHEAT LIGHTS CAME ON IN-FLIGHT. WHEN BATTERY WAS SHUT OFF BY CREW USING EMERGENCY CHECKLIST  (N160MC)

All 82: https://openairdocs.org/jasc/2431/reports.md

## Other codes in chapter 24

- [JASC 2400](https://openairdocs.org/jasc/2400): Electrical Power System (1,186 reports)
- [JASC 2410](https://openairdocs.org/jasc/2410): Alternator-Generator Drive (891 reports)
- [JASC 2420](https://openairdocs.org/jasc/2420): AC Generation System (1,302 reports)
- [JASC 2421](https://openairdocs.org/jasc/2421): AC Generator-Alternator (4,273 reports)
- [JASC 2422](https://openairdocs.org/jasc/2422): AC Inverter (557 reports)
- [JASC 2423](https://openairdocs.org/jasc/2423): Phase Adapter (15 reports)
- [JASC 2424](https://openairdocs.org/jasc/2424): AC Regulator (480 reports)
- [JASC 2425](https://openairdocs.org/jasc/2425): AC Indicating System (137 reports)
- [JASC 2430](https://openairdocs.org/jasc/2430): DC Generating System (1,121 reports)
- [JASC 2432](https://openairdocs.org/jasc/2432): Battery/Charger System (2,249 reports)
- [JASC 2433](https://openairdocs.org/jasc/2433): DC Rectifier/Converter (197 reports)
- [JASC 2434](https://openairdocs.org/jasc/2434): DC Generator-Alternator (849 reports)
- [JASC 2435](https://openairdocs.org/jasc/2435): Starter-Generator (2,052 reports)
- [JASC 2436](https://openairdocs.org/jasc/2436): DC Regulator (313 reports)
- [JASC 2437](https://openairdocs.org/jasc/2437): DC Indicating System (98 reports)
- [JASC 2440](https://openairdocs.org/jasc/2440): External Power System (169 reports)
- [JASC 2450](https://openairdocs.org/jasc/2450): AC Power Distribution System (872 reports)
- [JASC 2460](https://openairdocs.org/jasc/2460): DC Power Distribution System (608 reports)
- [JASC 2497](https://openairdocs.org/jasc/2497): Electrical Power System Wiring (2,202 reports)

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