# JASC 2433: DC Rectifier/Converter - Type: JASC system/component code (FAA) - ATA chapter: 24 Electrical Power - Title in the code table: DC RECTIFIER/CONVERTER - Service difficulty reports: 197 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=21 - Page: https://openairdocs.org/jasc/2433 ## What it covers The component which converts AC current for the using systems. ## Service difficulty reports (197, newest 50) - [SDR IXXA20260726062](https://openairdocs.org/sdr/IXXA20260726062), Jul 26, 2026: Boeing 767323. CDU. SHORTED. DURING PRE-FLIGHT CREW REPORTED CIRCUIT BREAKER A33 ON P11 HAS POPPED AND FLIGHT DECK SMELLS LIKE SMOKE/ELECTRICAL. REMO (N359AZ) - [SDR CALA2026072017885](https://openairdocs.org/sdr/CALA2026072017885), Jul 19, 2026: Boeing 777224. RELAY. FAULTED. CONDITIONAL INSPECTION REQUIRED FOLLOWING STRONG FUMES IN FLT DECK PLEASE FOLLOW TRM EC0500-01016 PERFORMED SMOKE IN CAB (N57016) - [SDR CALA2026072017898](https://openairdocs.org/sdr/CALA2026072017898), Jul 18, 2026: Boeing 777224. RELAY. FAULTED. ELEC STBY SYS FAIL AFTR ENG SHUTDOWN STRONG FUMES IN FLTDECK FLIGHT CREW REPORTED SMELL OF SMOKE, TURNED OFF RECIRC FAN (N57016) - [SDR YENA2026071700584](https://openairdocs.org/sdr/YENA2026071700584), Jul 14, 2026: Airbus A320232. TRU. FAILED. FLT 1761, LGA-PBI. ON WEEKLY CHK; EMERGENCY GEN SYS OPS CHK FAILED. ESS TR & OUTPUT AMPS IN AMBER ; REMOVED & REPLACED E (N598JB) - [SDR ABXA20260221075](https://openairdocs.org/sdr/ABXA20260221075), Feb 21, 2026: Boeing 767338. TRU. MALFUNCTIONED. APU FIRE LP I CREW DEFERRED PER MEL 26-15-1-1 PROBLEM IS POWER SWITCHING WITH RIGHT TRU. REMOVED AND REPLACED RIGHT TRU (N317CM) - [SDR CALA2025090808570](https://openairdocs.org/sdr/CALA2025090808570), Sep 6, 2025: Boeing 737924. TRU. DIRTY. ACRID/OZONE BURNING SMELL NOTICED BY ALL CREW MEMBERS ON ENTRY TO AIRCRAFT. TRU COVERED IN DUST, PERFORMED AMM 05-51-26- (N32404) - [SDR DALA2024101810198](https://openairdocs.org/sdr/DALA2024101810198), Oct 18, 2024: Airbus A319114. TRANSFORMER. LEAKING. SHIP 3139 DURING PUSHBACK AND ENGINE START, ENG 1 STARTED NORMALLY BUT ELEC TR 1 FAULT WAS ON ECAM WITH A VARIETY OF OTH (N339NB) - [SDR CALA2024072400275](https://openairdocs.org/sdr/CALA2024072400275), Jul 23, 2024: Boeing 767322. TRANS RECTIFIER. FAULTED. 767 FUEL FEED SYSTEM HEALTH CHECK - LH FWD BOOST PUMP - VOLTAGE INBALANCE OF FWD LH FUEL PUMP OUT OF TOLERANCE. LH TRANS (N652UA) - [SDR 2023FA0000051](https://openairdocs.org/sdr/2023FA0000051), Dec 20, 2022: Boeing 777*. INVERTER. BURNED. AIRCRAFT WAS IN THE HANGAR FOR SCHEDULED MAINTENANCE. AIRCRAFT WAS CONNECTED TO GPU AND POWERED UP. DURING AIRCRAFT FUNC - [SDR 2023FA0000050](https://openairdocs.org/sdr/2023FA0000050), Dec 20, 2022: Boeing 777*. STATIC INVERTER. BURNED. AIRCRAFT WAS IN THE HANGAR FOR SCHEDULED MAINTENANCE. AIRCRAFT WAS CONNECTED TO GPU AND POWERED UP. DURING AIRCRAFT FUNC - [SDR 2023FA0000049](https://openairdocs.org/sdr/2023FA0000049), Dec 20, 2022: Boeing 777*. STATIC INVERTER. BURNED. AIRCRAFT WAS IN THE HANGAR FOR SCHEDULED MAINTENANCE. AIRCRAFT WAS CONNECTED TO GPU AND POWERED UP. DURING AIRCRAFT FUNC - [SDR DXTA2022080267150](https://openairdocs.org/sdr/DXTA2022080267150), Aug 1, 2022: Emb EMB110*. NONE. NONE. AVIONICS POWER: AS WE WERE CLIMBING THROUGH THE MID 20S WE STARTED TO NOTICE A STRANGE SMELL, IT WAS FAINT BUT IT DEFINI (N330QS) - [SDR DALA2021042202354](https://openairdocs.org/sdr/DALA2021042202354), Apr 21, 2021: Boeing 767432ER. STATIC INVERTER. FAILED. SHIP 1814 - CREW REPORTS WHEN APPROACH SELECTED ENTIRE CABIN WENT DARK AND CAPT LOST FMA, FLIGHT DIRECTOR, STBY ADI, F/O (N838MH) - [SDR VQMA2021021800000](https://openairdocs.org/sdr/VQMA2021021800000), Feb 13, 2021: Gulstm GIV. CONVERTER. FAILED. DEPARTED YIP TO EYW. DURING TAKE-OFF AFTER V1 THE CREW EXPERIENCED A FAILURE OF THE LEFT CONVERTER (AC&DC). THE TAKE-OFF (N415MA) - [SDR UIEA2020052101088](https://openairdocs.org/sdr/UIEA2020052101088), May 18, 2020: Boeing 767306. TRU. MALFUNCTIONED. APU TRU INOPERATIVE.(

TRANSFERRED TO MDDR 128522 IAW MEL 24-32-01B, CAT 'D'.

LP 1150932-3 - (20MAY20) - RE (N1399A) - [SDR UIEA2020051701064](https://openairdocs.org/sdr/UIEA2020051701064), May 17, 2020: Boeing 76736N. TRU. ACTIVATED. APU FAILED TO START ON 03 ATTEMPTS ON PRE-FLIGHT - FAULT LIGHT ON.(

ITEM TRANSFERRED TO MDDR 128488 IAW MEL 49-11-01A (N1093A) - [SDR UIEA2020050500935](https://openairdocs.org/sdr/UIEA2020050500935), May 1, 2020: Boeing 767306. TRU. MALFUNCTIONED. APU FAULT WHEN STARTING ON GROUND.(

TRANSFERRED APU TO MDDR #127810, CAT 'C', REF MEL 49-11-01A. DUE 11MAY.

LP 1 (N1427A) - [SDR UIEA2020031900492](https://openairdocs.org/sdr/UIEA2020031900492), Mar 18, 2020: Boeing 7673Y0. TRU. MALFUNCTIONED. APU TRU INOP.(

TRANSFERRED TO MEL NO. 24-32-01B, MDDR 125961, CAT 'D'.

LP 1167868: REMOVED & REPLACED APU ST (N1619A) - [SDR AALA202002049012](https://openairdocs.org/sdr/AALA202002049012), Feb 3, 2020: Airbus A319132. RECTIFIER. FAILED. AIRCRAFT IN BASE VISIT: EMER GEN TEST FAILED. REMOVED AND REPLACED DC ESSENTIAL TRANSFORMER RECTIFIER (1PE) IAW AMM 24-3 (N835AW) - [SDR FDEA2019120653183](https://openairdocs.org/sdr/FDEA2019120653183), Dec 5, 2019: Boeing 757236. TRU. MALFUNCTIONED. REPEAT WRITE UP. REJECTED TO AT 60KTS FMC MESSAGE "TAKEOFF SPEEDS DELETED" TAKEOFF SPEEDS DISAPPEARED. MULTIPLE EICAS CA (N977FD) - [SDR FDEA201912043169](https://openairdocs.org/sdr/FDEA201912043169), Dec 4, 2019: Boeing 757236. TRU. MALFUNCTIONED. REJECTED TAKEOFF INITIATED AT 40 KTS. MUTIPLE CAUTION EICAS ALERTS INCLUDING PROBE HEAT, R FWD FUEL PUMP, AUTOTHROT DISC (N977FD) - [SDR UIEA2019092905601](https://openairdocs.org/sdr/UIEA2019092905601), Sep 29, 2019: Boeing 7673Y0. PANEL. FAULTY. FOUND STBY POWER BATTERY TEST LIGHT NOT ILLUMINATED.(

REMOVED AND REPLACED STBY POWER BATTERY PANEL IAW AMM 24-33-04, (N1181A) - [SDR UIEA2019083105410](https://openairdocs.org/sdr/UIEA2019083105410), Aug 31, 2019: Boeing 767306. TRU. FAULTY. APU FAILED TO START, APU FAULT MESSAGE. TRANSFERRED TO MDDR 117125 IAW MEL 49-11-01A, CAT 'C', DUE 10-SEP-19. LP 1073215 (N1427A) - [SDR IPXA2019072945044](https://openairdocs.org/sdr/IPXA2019072945044), Jul 27, 2019: Boeing 76734AF. TRU. INOPERATIVE. INSPECTION TYPE:CK TRU (35 AMP) CIRCUIT BREAKER TRIPPED. FOUND DURING PS CHECK.REMOVED AND REPLACED APU TRU. SYSTEM OPS (N353UP) - [SDR JBZA20190722001](https://openairdocs.org/sdr/JBZA20190722001), Jul 18, 2019: Airbus EC135P3. CONVERTER. BURNED. ON SHORT FINAL STRONG ELECTRICAL BURNING SMELL WAS DETECTED IN COCKPIT AND CABIN AREA. COMPLETED LANDING AND SHUTDOWN AI (N323RX) - [SDR UIEA2019052904343](https://openairdocs.org/sdr/UIEA2019052904343), May 29, 2019: Boeing 7673S1. RELAY. FAULTY. STANDBY BUS OFF EICAS MESSAGE ON GROUND. (

ACCOMPLISHED FIM 24-33 FT 803 AND FOUND AC STBY BUS OFF RELAY K138 AT FAULT (N640GT) - [SDR UIEA2019050204100](https://openairdocs.org/sdr/UIEA2019050204100), May 2, 2019: Boeing 767306. TRU. MALFUNCTIONED. APU DOOR STATUS MESSAGE DISPLAYED(

APU PLACED ON MEL PER MEL 49-11-01A

LP 1058363-M5 FOUND APU TRU CB POPPING AL (N1321A) - [SDR UIEA2019050204102](https://openairdocs.org/sdr/UIEA2019050204102), May 1, 2019: Boeing 76736N. TRU. MALFUNCTIONED. APU FAIL TO START.(

REMOVED AND REPLACED APU TRANSFORMER RECTIFIER UNIT (TRU) IAW AMM 24-32-04.

) (N1013A) - [SDR CA190429010](https://openairdocs.org/sdr/CA190429010), Apr 29, 2019: Emb ERJ190100IGW. TRANS RECTIFIER. ARCED. (CAN) UPON ARRIVAL AIRCRAFT EICAS MESSAGES AC STBY BUS OFF, FL CTRL NO DISPATCH AND ELECTRONIC CB`S EMRG FAN EBAY MID AN - [SDR YV3R2019012200029](https://openairdocs.org/sdr/YV3R2019012200029), Feb 19, 2019: Robsin R44RAVENII. CONVERTER. FAILED. CUSTOMER REPORTED CONVERTER (DC TO DC) P/N: LT-46D FAILED. - [SDR UIEA2019020103086](https://openairdocs.org/sdr/UIEA2019020103086), Feb 2, 2019: Boeing 767306. TRU. MALFUNCTIONED. APU FAILED TO START. REMOVED AND REPLACED TRU UNIT IAW AMM 24-32-04. OPS CHECK GOOD. (N1399A) - [SDR UIEA2018120302763](https://openairdocs.org/sdr/UIEA2018120302763), Nov 30, 2018: Boeing 76737D. TRU. INOPERATIVE. APU TRU INOP. REPLACED TRU IAW AMM 24-32-04 OPS CHECKS GOOD. (N1327A) - [SDR FDEA201810293037](https://openairdocs.org/sdr/FDEA201810293037), Oct 29, 2018: Doug MD1010F. TRU. MALFUNCTIONED. CALLED OUT BY CREW FOR SMOKE IN THE COCKPIT, REMOVED ALL ELECTRICAL POWER FROM AIRCRAFT. AIRCRAFT CLEARED BY FIRE DEPT, (N385FE) - [SDR UIEA2018100202168](https://openairdocs.org/sdr/UIEA2018100202168), Sep 28, 2018: Boeing 7673Y0. TRU. FAULTY. APU FAIL TO START AFTER LANDING. R&R APU TRU IAW AMM 24-32-04, OPS CKD GOOD. (N1619A) - [SDR P5CA2018092400292](https://openairdocs.org/sdr/P5CA2018092400292), Sep 23, 2018: Boeing 7673JHF. TRU. INOPERATIVE. APU TRU INOP. TRANSFER TO MDDR 100039 IAW MEL 24-32-01B CAT D. (N644GT) - [SDR UIEA2018091101940](https://openairdocs.org/sdr/UIEA2018091101940), Sep 11, 2018: Boeing 767306. TRU. FAULTY. UNABLE TO START APU EICAS APU FAULT. REMOVED AND REPLACED APU TRU IAW AMM 24-32-04 OPS CHECK GOOD. (N1409A) - [SDR P5CA2018073100171](https://openairdocs.org/sdr/P5CA2018073100171), Jul 29, 2018: Boeing 767306. INVERTER. NOT REPORTED. STBY INVERTER REMOVED AND REPLACED. STATIC INVERTER PER AMM 24-33-03. OPS CHECK OK. (N647GT) - [SDR UIEA2018071601469](https://openairdocs.org/sdr/UIEA2018071601469), Jul 16, 2018: Boeing 76736N. TRU. FAULTY. APU INOP ECU BITE FAULTING A/C START CIRCUIT AND MINI FLAGS 23,24. REMOVED AND REPLACED APU START TRU IAW AMM 24-34-04. (N1093A) - [SDR SIMA201807091005](https://openairdocs.org/sdr/SIMA201807091005), Jul 7, 2018: Emb ERJ170200LR. TRU. FAILED. ELECTRICAL ARC SMELL IN FORWARD CABIN AND SEEMS STRONGER IN COCKPIT. FOUND SMELL TO BE COMING FROM THE ESS TRU IN THE EI (N252NN) - [SDR HALA2018070100203](https://openairdocs.org/sdr/HALA2018070100203), Jul 1, 2018: Airbus A330243. RECTIFIER. FAILED. ATB, RETURNED TO HNL DUE TO NR 1 TR FAULT, ZERO AMPS, 30 VOLTS. REPLACED NR 1 TR. (N399HA) - [SDR CA180103003](https://openairdocs.org/sdr/CA180103003), Jan 3, 2018: Bombdr CL6002D15. TRU. FAILED. (CAN) WHILE WORKING ON A DEFECT IN THE COCKPIT, MTC RECEIVES A TRU FAN FAIL MESSAGE ON THE ICAS. SHORTLY AFTER, SMOKE IS - [SDR SWAA2017051713802](https://openairdocs.org/sdr/SWAA2017051713802), May 14, 2017: Boeing 7373H4. TRU. FOD. NR 2 TRANSFORMER BOX CLOGGED UP. R&R NR 2 TRANSFORMER RECTIFIER UNIT PER AMM. (N626SW) - [SDR SWAA2017051713801](https://openairdocs.org/sdr/SWAA2017051713801), May 14, 2017: Boeing 7373H4. TRU. FOD. NR 1 TRANSFORMER BOX CLOGGED UP. R&R NR 1 TRANSFORMER RECTIFIER UNIT PER AMM. (N626SW) - [SDR SWAA2017051713800](https://openairdocs.org/sdr/SWAA2017051713800), May 14, 2017: Boeing 7373H4. TRU. FOD. NR 3 TRANSFORMER BOX CLOGGED UP. R&R NR 3 TRANSFORMER RECTIFIER UNIT PER AMM. (N626SW) - [SDR YENA20160815732](https://openairdocs.org/sdr/YENA20160815732), Aug 15, 2016: Emb ERJ190100IGW. CONVERTER. FAILED. DIVERTED, AT 39,000 FT FLIGHT CREW EXPERIENCED SMOKE IN THE COCKPIT AND AN ELECTRICAL BURNING ODOR. CONDITIONS WERE EXPE (N229JB) - [SDR ABXA20140915293](https://openairdocs.org/sdr/ABXA20140915293), Sep 15, 2014: Boeing 767223. INVERTER. DAMAGED. CREW REPORTED EICAS MESSAGE STBY INVERTER DISPLAYED, SMOKE IN THE CABIN & A STRONG ELEC BURNING ODOR. THE FLIGHT WAS DIV (N315AA) - [SDR SWAA2014090231450](https://openairdocs.org/sdr/SWAA2014090231450), Aug 31, 2014: Boeing 7373H4. RECTIFIER. MALFUNCTIONED. AIR TURN BACK FLIGHT ATTENDANTS CALLED COMPLAINING OF AN ELEC ODOR. R & R NR 1 TRANSFORMER RECTIFIER IAW MM. (N632SW) - [SDR V0XD201402240025](https://openairdocs.org/sdr/V0XD201402240025), Feb 22, 2014: Cndair CL6002C10. TRU. OVERHEATED. TRU NR 2 0VERHEATED. R & R NR 2 TRU IAW CRJ 700 AMM 34-31-01, OPERATIONS CHECKED GOOD. (N317CA) - [SDR SWAA2014022425426](https://openairdocs.org/sdr/SWAA2014022425426), Feb 21, 2014: Boeing 7373H4. TRU. FAULTY. FOUL BURNING ODOR FROM RT PACK WHEN PROVIDING HEAT. R & R NR 1 & NR 2 TRANSFORMER RECTIFIERS IAW MM. (N361SW) - [SDR FDEA201402140320](https://openairdocs.org/sdr/FDEA201402140320), Feb 14, 2014: Airbus A310324. TRU. FAULTED. ESS TR INDICATED 4A NUMEROUS TIMES IN CRUISE. FOUND ONLY 4A ON ESS TR & I ESS TRANSFORMER RECTIFIER IAW MM 24-32-11-04. (N804FD) All 197: https://openairdocs.org/jasc/2433/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 (4,272 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 (1,120 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 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.