# JASC 2422: AC Inverter

- Type: JASC system/component code (FAA)
- ATA chapter: 24 Electrical Power
- Title in the code table: AC INVERTER
- Service difficulty reports: 557
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=20
- Page: https://openairdocs.org/jasc/2422

## What it covers

The component which converts direct current to alternating current.

## Service difficulty reports (557, newest 50)

- [SDR 2026FA0000256](https://openairdocs.org/sdr/2026FA0000256), Mar 27, 2026: Boeing 7378. STATIC INVERTER. FAILED. ELEC LIGHT ON, C/B RESET IAW AMM 24-31-00-740-801. STATIC INVERTER WAS REPLACED IAW AMM 24-34-21-000-801/400-801.
- [SDR DALA2025102107698](https://openairdocs.org/sdr/DALA2025102107698), Oct 19, 2025: Boeing 757231. INVERTER. ODOR. DIV/DE- TO SLC DUE TO ELECTRICAL SMELL IN THE FLIGHT DECK AND STANDBY INVERTER MESSAGE. REPLACED STANDBY INVERTER. (N721TW)
- [SDR 2025FA0000642](https://openairdocs.org/sdr/2025FA0000642), Sep 12, 2025: Bell 412EP. STATIC INVERTER. OVERHEATED. THE CREW CAME OUT FOR A TRAINING FLIGHT, STARTED THE AIRCRAFT JUST FINE AND IDLED ON DECK FOR A FEW MINUTES. UPON TAKE O (N282SD)
- [SDR DALA2024120211355](https://openairdocs.org/sdr/DALA2024120211355), Nov 30, 2024: Boeing 757232. INVERTER. ODOR. SHIP 683 WARN ELEX STANDBY STATUS MSG UNABLE TO CLEAN, SMELL OF ELECTRICAL BURNS IN COCKPIT, COMPLETED SMOKE /FUMES QUES (N683DA)
- [SDR UIEA2024101701050](https://openairdocs.org/sdr/UIEA2024101701050), Oct 17, 2024: Boeing 7673Y0. PACKING. LEAKING. FUEL LEAK IN MAIN FUEL BOOST PUMP WING RH(<P>THE PACKING AT THE MAIN FUEL BOOST PUMP WING RH WAS REPLACED. NO LEAKS WERE (N642GT)
- [SDR DALA2024041804560](https://openairdocs.org/sdr/DALA2024041804560), Apr 17, 2024: Boeing 757351. INVERTER. ODOR. SHIP 5807 STBY INVERTER STATUS MSG IN FLIGHT. CORRECTIVE ACTION: REMOVED & REPLACED STBY INVERTER REF B757 AMM 24-33. CH (N587NW)
- [SDR G1IA20240415163](https://openairdocs.org/sdr/G1IA20240415163), Apr 11, 2024: Beech C90A. STATIC INVERTER. FAILED. IN CRUISE THE #2 INVERTER FAILED IN DAY VMC DIRECT KGUP. AS PER THE QRH SELECTED THE OTHER INVERTER. (N734CB)
- [SDR FDEA202310301815](https://openairdocs.org/sdr/FDEA202310301815), Oct 30, 2023: Boeing 757200. STATIC INVERTER. BURNED. MDIS 938 24-22 9631 30OCT23 IND FACT U UPON POWERING UP AIRCRAFT, NOTICED AN ACRID SMELL IN COCKPIT WITH ASSOCIATED STBY (N938FD)
- [SDR CALA2023032700874](https://openairdocs.org/sdr/CALA2023032700874), Mar 25, 2023: Boeing 777222. IDG. UNKNOWN. REPLACE LEFT IDG IAW AMM 24-11-01-000-801-001 DUE TO OVERSERVICING AND GEN DROPPING OFFLINE IN FLIGHR LOCKED UNLOCKED RE (N792UA)
- [SDR AALA202212209900](https://openairdocs.org/sdr/AALA202212209900), Dec 17, 2022: Airbus A319112. GCU. FAULTY. AIRCRAFT WAS GROUNDED: DURING TAKE OFF AND CLIMB STRONG SMELL OF ELECTRICAL SMELL COMMING OUT OF FLIGHT DECK VENTS. CREW (N733UW)
- [SDR CALA2022102402932](https://openairdocs.org/sdr/CALA2022102402932), Oct 24, 2022: Boeing 767. GCU. FAILED. RT GEN OFF AFTER TAKE OFF. REMOVED AND REPLACED RIGHT ENG GCU, AFTER IDG REPLACED. ONLINE POWERING BUSSES. BPCU BITE TES (N76062)
- [SDR CALA2022082902218](https://openairdocs.org/sdr/CALA2022082902218), Aug 29, 2022: Boeing 767. BPCU. FAULTY. L/R UTILITY BUS LIGHTS ON. UNABLE TO RESET ACCURED AFTER T/O T/S BPCU AND FOUND FAULT CT LOOP GND FAULT IN APU POWER SYS (N642UA)
- [SDR FDEA202206131425](https://openairdocs.org/sdr/FDEA202206131425), Jun 13, 2022: Boeing 767300. STATIC INVERTER. FAILED. DURING EICAS BUS TIE TEST STANDBY INVERTER FAILED TO POWER UP. REPLACED STANDBY INVERTER REF B 767 AMM 24-33-03. (N152FE)
- [SDR CALA2022050901196](https://openairdocs.org/sdr/CALA2022050901196), May 9, 2022: Boeing 757. NONE. INOPERATIVE. BOTH UTIL BUS OFF AT THRUST ADVANCEMENT FOR TO ADDING PICTURE REPLACED BPCU REF AMM24-41-03 OPS CHK GOOD NO LATCHED FAUL (N78866)
- [SDR CALA2022050401127](https://openairdocs.org/sdr/CALA2022050401127), May 3, 2022: Boeing 767300. GENERATOR. LEAKING. L GEN DRIVE LIGHT. DISCONNECTED GEN PER QRC PER FIM 24-22-00, BITE OF BPCU SHOWED MSG ''SERVICE IDG'' FOR LEFT APPROX 1  (N685UA)
- [SDR CALA2022042101045](https://openairdocs.org/sdr/CALA2022042101045), Apr 21, 2022: Boeing 777224. BATTERY. DISCHARGED. MAIN BATTERY IS DISCHARGING AFTER ENGINE START SWAPPED A/C MAIN BATTERY AND BATTERY CHARGER WITH APU BATTERY 24-31-06. A (N74007)
- [SDR ABXA2022032836](https://openairdocs.org/sdr/ABXA2022032836), Mar 28, 2022: Boeing 767. NONE. NONE. R GEN DRIVE DISC LIGHT UPON START UP TAXI OUT. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE VERIFIED  (N317CM)
- [SDR HALA2021122000194](https://openairdocs.org/sdr/HALA2021122000194), Dec 18, 2021: Airbus A330243. INVERTER. DEFECTIVE. ETOPS - WORKING W/C 2518-01001-01 INSPECT STATIC INVERTER; REPLACE // REMOVED AND REPLACED (3NA) STATIC INVERTER PER A33 (N392HA)
- [SDR FDEA202112093053](https://openairdocs.org/sdr/FDEA202112093053), Dec 9, 2021: Doug MD11F. NONE. NONE. MDIS 523 24-22 9479 09DEC21 MEM OPEN U DURING MX PRE-FLIGHT GOT AN EMER LT BAT 1 LO ALERT WHEN PERFORMING EMER LT TEST.  (N523FE)
- [SDR UIEA2021101302226](https://openairdocs.org/sdr/UIEA2021101302226), Oct 13, 2021: Boeing 76737D. GCU. NONE. DURING PREFLIGHT FOUND L GEN FIELD LIGHT ON.(<P>PERFORMED BPCU BITE PER FIM 24-20 FT 801. FOUND LEFT GCU AT FAULT. REMOV (N1327A)
- [SDR 9JLA2021080527087](https://openairdocs.org/sdr/9JLA2021080527087), Jul 11, 2021: Beech 400A. STATIC INVERTER. FAILED. THE FLIGHT CREW REPORTED THAT THE NO2 INVERTER WAS INTERMITTENTLY FAILING DURING FLIGHT. THE MAINTENANCE TEAM REMOVED AN (N440LN)
- [SDR FDEA202104170945](https://openairdocs.org/sdr/FDEA202104170945), Apr 17, 2021: Boeing 7673S2F. STATIC INVERTER. FAULTED. ON FINAL APPROACH, CAPTAIN`S FLIGHT AND NAV DISPLAY WENT BLANK FOR 5 SECONDS AFTER APP TILE SELECTED. DISPLAY RETURNED T (N166FE)
- [SDR ASAA2021010933849](https://openairdocs.org/sdr/ASAA2021010933849), Jan 9, 2021: Boeing 737890. WARNING LIGHT. FALSE ACTIVATION. ELEC LIGHT ILLUMINATED ON GROUND. GROUNDED-YES. MESSAGE ON ELEC PANEL STATIC INV INO. PERFORMED B737-800 FIM 24-34 TASK  (N589AS)
- [SDR AALA202007209015](https://openairdocs.org/sdr/AALA202007209015), Jul 18, 2020: Boeing 737823. INVERTER. DEFECTIVE. AIRCRAFT WAS GROUNDED: PASSING 13,500 BAT DISCHARGE LIGHT ILLUMINATED . AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETUR (N940NN)
- [SDR ANCF2020030301](https://openairdocs.org/sdr/ANCF2020030301), Mar 3, 2020: Airbus A321231. STATIC INVERTER. MALFUNCTIONED. 03.MAR.2020 @ CTG -> FLIGHT AV8548 (BOG-CTG) PILOT REPORT WO 16056958: AFTER PARKING IN CTG THE CABIN WAS FULL OF SMOKE  (N821AV)
- [SDR SIMA202001221005](https://openairdocs.org/sdr/SIMA202001221005), Jan 21, 2020: Emb EMB145LR. STATIC INVERTER. FAILED. MECH. LANDED SAFELY NO EMERGENCY DECLARED. 115 VAC BUS OFF,GPWS INOP,WINDSHEAR INOP,TERR INOP ENROUTE FL320-C/A-RAR AC S (N923AE)
- [SDR 2020FA0000016](https://openairdocs.org/sdr/2020FA0000016), Nov 4, 2019: Braero HS125700A. INVERTER. FAILED. 10/29/2019 TRIP DATE, ON THE FIRST LEG OF A FOUR LET TRIP, THE INVERTER FAILED AND FAILED TO RESET. AS WE WERE DESCENDIN (N564BR)
- [SDR MUIA201906253001](https://openairdocs.org/sdr/MUIA201906253001), Jun 23, 2019: Cessna 208B. CONTROL UNIT. FAILED. FLIGHT CREW REPORTED STANDBY ALTERNATOR SYSTEM HAD FAILED. REPLACED STANDBY ALTERNATOR CONTROL UNIT AND SYSTEM FUNCTIONS (N942AC)
- [SDR FDEA201905301186](https://openairdocs.org/sdr/FDEA201905301186), May 30, 2019: Doug MD11F. RELAY. FAILED. PDIS 591 24-22 3282 30MAY19 MEM FACT U LOGPAGES:2989059 GOT LEVEL 1 EMERG PWR ON AFTER T/OFF. SELECTED EMERG PWR SWITCH  (N591FE)
- [SDR UIEA2019052804332](https://openairdocs.org/sdr/UIEA2019052804332), May 25, 2019: Boeing 767375. GCU. FAILED. RT GCU FAILS DURING ENGINE RUNS. (<P>REMOVED AND REPLACED RT GCU IAW AMM 24-22-02.</P>) (N649GT)
- [SDR CA190523003](https://openairdocs.org/sdr/CA190523003), May 21, 2019: Dhav DHC8102. CONTROL BOX. SHORTED. (CAN) MULTIPLE INVERTER FAILURE `PRI INV`, `SEC INV`, `AUX INV`, `LVAC26` AND `R26VAC` CAUTION LIGHTS ILLUMINATED. LOST 
- [SDR 7C7A2019032000492](https://openairdocs.org/sdr/7C7A2019032000492), Mar 20, 2019: Dhav DHC8106. INVERTER. FAILED. PRIMARY INVERTER FAILED. (N893EA)
- [SDR DALA2019030801596](https://openairdocs.org/sdr/DALA2019030801596), Mar 7, 2019: Boeing 757232. INVERTER. MALFUNCTIONED. SHIP 661 SMOKE CAME OUT OF THE THROTTLE QUADRANT ELECTRICAL SMALL EICAS MESSGE STDY INVERTER. CORRECTIVE ACTION: FOUND S (N661DN)
- [SDR CALA2019030800369](https://openairdocs.org/sdr/CALA2019030800369), Mar 7, 2019: Boeing 737824. STATIC INVERTER. BURNED. STRONG SMELL OF BURNING ELECTRICAL PRESENT ON GROUND WITH PACKS OFF APU OFF AND NO GROUND. UPDATED MAA CODE FIX USING VE (N76532)
- [SDR RU3A20190312008](https://openairdocs.org/sdr/RU3A20190312008), Mar 6, 2019: Lear 60LEAR. STATIC INVERTER. MALFUNCTIONED. RIGHT INVERTER BLINKED OFF, VOLTS WENT TO ZERO, RED LIGHT CAME ON, ELECTRICAL POWER ANNUNCIATOR MASTER CAUTION CAME ON.  (N58)
- [SDR CA190226011](https://openairdocs.org/sdr/CA190226011), Feb 22, 2019: Dhav DHC8315. INVERTER. FAILED. (CAN) PILOT REPORTED : SMOKE SMELL IN THE COCKPIT, AND WE FOUND THAT THE SOURCE OF THE SMELL WAS THE PRIMARY INVERTER. W
- [SDR UIEA201812312963](https://openairdocs.org/sdr/UIEA201812312963), Dec 30, 2018: Boeing 76736N. GCU. INOPERATIVE. APU GEN INOP&NBSP;(<P>DEFERRED APU GEN IAW DDG 24-00-02A MDDR 105274&NBSP;</P><P><BR /></P><P>REMOVED &AMP; REPLACED APU (N1049A)
- [SDR 2019F00103](https://openairdocs.org/sdr/2019F00103), Dec 9, 2018: Airbus A330243F. GCU. ABNORMAL. GCU P/N 767584K S/N AAAY010940 FAILED DURING CRUISE, ATB IS PERFORMED BY PILOT, AT THE MOMENT MAINTENANCE PERSONNEL ARE  (N331QT)
- [SDR 9JLA201902147809](https://openairdocs.org/sdr/9JLA201902147809), Nov 26, 2018: Beech 400A. INVERTER. FAILED. DURING FLIGHT THE CREW REPORTED THAT THE INVERTER NO2 FAIL ANNUNCIATOR ILLUMINATED. THEY COMPLETED RELATED CHECKLIST ITE (N345HC)
- [SDR UIEA2018112102666](https://openairdocs.org/sdr/UIEA2018112102666), Nov 20, 2018: Boeing 767306. INVERTER. MALFUNCTIONED. MAJOR ELECTRICAL EVENT OCCURRED WHEN APP SWITCHED PUSHED. RESULT WAS TEMPORARY LOSS OF POWER TO FLIGHT DECK INSTRUMENTS  (N1321A)
- [SDR HNAA2018101100252](https://openairdocs.org/sdr/HNAA2018101100252), Oct 8, 2018: Emb EMB145LR. INVERTER. MALFUNCTIONED. 115 VOLT AC BUS OFF ON T/O ROLL, REJECTED T/O. R&R STATIC INVERTER IAW AMM 24-20-01-04. OPS CHECKS GOOD AT THIS TIME. (N647AE)
- [SDR 3RAA2018101013883](https://openairdocs.org/sdr/3RAA2018101013883), Oct 3, 2018: Casa C212CC. INVERTER. FAILED. NR 2 AC INVERTER FAILED IN FLIGHT FOLLOWED BY A SMOKE SMELL IN THE COCKPIT. THE SMELL QUICKLY DISSIPATED AND CONTINUED T (N495CS)
- [SDR HALA0218080800362](https://openairdocs.org/sdr/HALA0218080800362), Aug 5, 2018: Boeing 717200. STATIC INVERTER. MALFUNCTIONED. DURING EMERGENCY POWER TEST, A BUZZING SOUND WAS OBSERVED FROM THE EE COMPARTMENT AND ACCOMPANIED BY AN EMERGENRY POWER  (N493HA)
- [SDR HALA2018072300330](https://openairdocs.org/sdr/HALA2018072300330), Jul 21, 2018: Boeing 717200. INVERTER. INOPERATIVE. WHEN TESTING ELEC EMERGENCY POWER GOT A/C EMER BUS OFF LT. REMOVED AND REPLACED STATIC INVERTER PER AMM 24-24-01. OPS CH (N489HA)
- [SDR EVCA201806141](https://openairdocs.org/sdr/EVCA201806141), Jun 13, 2018: Bell 206L4. INVERTER. ODOR. CREW REPORTED DURING FLIGHT A QUICK FLASH OF LIGHT. QUOTING WRITTEN DISCREPANCY: SOFTBALL SIZE YELLOW FLAME EMITTED FROM (N447AE)
- [SDR 2018FA0000347](https://openairdocs.org/sdr/2018FA0000347), Jun 10, 2018: Beech A36. ALTERNATOR. FAILED. DURING DESCENT, LOSS OF ELECTRIC POWER. SELECTED STANDBY ALTERNATOR. UNABLE TO EXTEND GEAR ELECTRICALLY. MANUALLY EXTEND (N3217M)
- [SDR DXTA2018032000740](https://openairdocs.org/sdr/DXTA2018032000740), Mar 20, 2018: Amd FALCON2000. INVERTER. FAULTY. FA SMELLED A FIRE SMELL IN CABIN. GOT UP TO CHECK AND SMELLED SOMETHING HOT. UPON RETURNING TO COCKPIT NOTICED THE CAB A (N284QS)
- [SDR 7C7A2018013000359](https://openairdocs.org/sdr/7C7A2018013000359), Jan 30, 2018: Dhav DHC8106. INVERTER. FAILED. STRONG ODOR EMANATING FROM THE COCKPIT. REPLACED THE INVERTER. (N885EA)
- [SDR 2018FA0000087](https://openairdocs.org/sdr/2018FA0000087), Jan 8, 2018: Cessna 310R. REGULATOR. MALFUNCTIONED. DETERMINED THE LEFT ALTERNATOR WAS OVERCHARGING THE SYSTEM RESULTING IN TRIPPING OF THE OVERVOLTAGE RELAY, DRAINING OF T (N68310)
- [SDR VE7A2018010700001](https://openairdocs.org/sdr/VE7A2018010700001), Jan 7, 2018: Urocop EC135P2. STATIC INVERTER. FAILED. PILOT AND MEDICAL PERSONNEL ALL SMELLED SOMETHING BURNING AND THE ODOR BECAME MORE INTENSE IN THE AFT CABIN. ONE OF THE  (N388PH)

All 557: https://openairdocs.org/jasc/2422/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 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 (1,120 reports)
- [JASC 2431](https://openairdocs.org/jasc/2431): Battery Overheat Warning System (82 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)

---
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.
