# Service difficulty reports: JASC 2424

A list on [JASC 2424](https://openairdocs.org/jasc/2424.md).

Reports filed under 2424 · AC Regulator, newest first.

Page 1 of 10 · 480 reports

- [SDR TIMA20230224002](https://openairdocs.org/sdr/TIMA20230224002.md): None · none · Feb 19, 2023 · N216CS · Beech B99
  > STARTED TRAINING FLIGHT, DID TRIM RUNAWAY, STEEP TURNS, CRUISE STALL, APPROACH TO LAND STALL. ON APPROACH TO LAND STALL RECOVERY, NOSE GEAR INDICATOR STAYED GREEN, BOTH MAIN INDICATORS WENT OUT BUT IN TRANSIT RED HANDLE LIGHT STAYED ON. RECYCLED GEAR AFTER 2 M
- [SDR HALA2023021000021](https://openairdocs.org/sdr/HALA2023021000021.md): Unknown · unknown · Feb 9, 2023 · N388HA · Airbus A330243
  > ETOPS-ELEC APU GEN FAULT. REMOVED AND REPLACED APU GENERATOR IAW A330 AMM 24-23-51. OPS CHECK GOOD. NO FAULT NOTED. NO LEAKS NOTED. OK FOR SERVICE. GENERATOR, APU, OFF 33-2423-9-0001 04183 ON 33-2423-9-0001 05187
- [SDR HALA2023011800008](https://openairdocs.org/sdr/HALA2023011800008.md): Apu · shutdown · Jan 17, 2023 · N381HA · Airbus A330243
  > APU AUTO SHUTDOWN ON VERIFICATION FLIGHT. STILL IN WORK
- [SDR HALA2022112800301](https://openairdocs.org/sdr/HALA2022112800301.md): Generator · leaking · Nov 25, 2022 · N384HA · Airbus A330243
  > ETOPS- DIRYT SOCKS SMELL ON DECENT AND WHEN AT THE GATE WITH APU ON IN SEATTLE. INSPECTED #1 AND #2 ENGINE, RAN ENGINES, NO ODORS. INSPECTED APU, NOTICED ODOR FROM APU BLEED. TROUBLE SHOT PER TSM 05-50-00-810-829-A. TYPE 1. FOUND OIL LEAKING FROM APU GENERAT
- [SDR ENHA202290240002](https://openairdocs.org/sdr/ENHA202290240002.md): Regulator · abnormal · Aug 19, 2022 · N9651M · Cessna 207A
  > DURING FLIGHT RADIO AND ADSB STOPPED WORKING WHILE IN FLIGHT. MAINTENANCE INSPECTED AIRCRAFT AND REPLACED VOLTAGE REGULATOR AND MAIN BATTERY.
- [SDR HALA2022062700117](https://openairdocs.org/sdr/HALA2022062700117.md): None · none · Jun 24, 2022 · N383HA · Airbus A330243
  > ETOPS - FOUND APU GENERATOR LEAKING OIL // REMOVED AND REPLACED APU GEN. LEAKED AND OPS CHECKED GOOD. REF A330 AMM 24-23-51-000/400-801A GENERATOR, APU, OFF 33-2423-9-0001 S/N 05341 ON 33-2423-9-0001 S/N 04555
- [SDR HALA2022061600114](https://openairdocs.org/sdr/HALA2022061600114.md): None · none · Jun 15, 2022 · N382HA · Airbus A330243
  > ETOPS - APU GEN FAULT // REMOVED AND REPLACED APU GEN PER AMM 24-23-51-400-801-A. OPS SAME. REMOVED AND REPACED GAPCU PER AMM 24-41-34-400-901-801B OPS OK. NO LEAKS NOTED ON GENERATOR. A/C OK FOR SVC. GENERATOR, APU, OFF 33-2423-9-0001 S/N 03461 ON 33-2423-9-
- [SDR HALA2022052300101](https://openairdocs.org/sdr/HALA2022052300101.md): None · none · May 21, 2022 · N382HA · Airbus A330243
  > ETOPS - ELEC APU GEN FAULT ECAM // PERFORMED BITE OF EPGS REF. AMM 24-41-00-740-801-A. FAULT CODE 242317 WAS CAPTURED. CTA(21XS)/GAPCU(40XG). USING TSM 24-20-00-810-999-A FOUND GAPCU INOP. REMOVED & REPLACED GAPCU REF. AMM 24-41-34. OPS CHECK GOOD. BITE TEST
- [SDR HALA2022040600085](https://openairdocs.org/sdr/HALA2022040600085.md): None · none · Apr 5, 2022 · N361HA · Airbus A330243
  > ETOPS - ECAM APU GEN FAULT AFTER APU START UP ON PDC // TROUBLESHOT PER TSM 24-20-51-810-804-A. NEED TO REPLACE GLC-APU (3XS). CJC 1865671 05APR22 REMOVED AND REPLACED APU GENERATOR LINE CONTACTOR (3XS) PER AMM 24-23-55. OPS CHECK PENDING. 1932291 05APR22. P
- [SDR HALA2022012400021](https://openairdocs.org/sdr/HALA2022012400021.md): Generator · inoperative · Jan 23, 2022 · N395HA · Airbus A330243
  > ETOPS - APU GEN FAULT // ACCOMPLISHED TSM 24-20-81-810-905-A. BITE TEST OF EPGSM TEST PASSED FOR GAPCU. TSM NEXT STEP IS REPLACE GENERATOR. 01/21/22 2557730 REMOVED APU GEN PER AMM 24-23-51 01/21/2022 995967 INSTALLED APU GEN PER AMM 24-23-51-400-801-A. FUNC
- [SDR HALA2022011900019](https://openairdocs.org/sdr/HALA2022011900019.md): Generator · defective · Jan 19, 2022 · N393HA · Airbus A330243
  > ETOPS - APU GEN FAULT BEFORE ENGINE START // PERFORMED FIM 24-20-00-810-985-A. REMOVED AND REPLACED APU GEN PER AMM UP TO STEP 4. C. 3. SIGNED 2069773 01/19/2022 INSTALLED INLET AND PERFORMED LEAK/OPS CHECK REF AMM 24-23-51-400-801-A FROM STEP 4.C.3. NO DEFECT
- [SDR YENA2022011800018](https://openairdocs.org/sdr/YENA2022011800018.md): Generator · failed · Jan 9, 2022 · N4058J · Airbus A321271N
  > FLT # 20, LHR-JFK. NO POWER FROM APU GENERATOR; R/R APU GENERATOR REF AMM 24-23-51. OPS CHECK NML. OK FOR SVC
- [SDR HALA2021092800126](https://openairdocs.org/sdr/HALA2021092800126.md): Generator · defective · Sep 27, 2021 · Airbus A330243
  > ETOPS - APU GENERATOR FAULT DURING MAINTENANCE NO POWER FROM GEN FAULT. // REMOVED AND REPLACED GAPCU PER AMM 24-41-34 FAULT PERSIST. ORIGINAL GAPCU REINSTALLED 2172396 PAUL JOHNSON 26SEP21. REF TSM 24-20-00. REMOVED AND REPLACED APU GEN REF A330 AMM 24-
- [SDR UIEA2021020100175](https://openairdocs.org/sdr/UIEA2021020100175.md): Gcu · failed · Feb 1, 2021 · N1487A · Boeing 76731K
  > DUE TO PREVIOUS FAULT CT LOOP FAIL, CHANGE APU GCU. R & R APU GCU IAW AMM 24-22-01, OPS CHECK OK.
- [SDR HALA2020091430182](https://openairdocs.org/sdr/HALA2020091430182.md): Generator · out of limits · Sep 11, 2020 · N379HA · Airbus A330243
  > DURING SERVICE CHECK APU GEN FAULT LIGHT NO OUTPUT POWER FROM APU, RPTD BY CHACON. GENERATOR APU, OFF 33-2423-9-0001 04304 ON 33-2423-9-0001 05088, CHECKS GOOD. VERIFIED NO VF NEEDED PER HAL MOPM, A02(5000VE). REPALCED APU GEN IAW A330 AMM 24-23. OPS AND L
- [SDR HYIA202009109002](https://openairdocs.org/sdr/HYIA202009109002.md): Volt Regulator · damaged · Sep 8, 2020 · N890CA · Cessna 402C
  > THE PILOT REPORTED A DUAL ALTERNATOR FAILURE AFTER TAKE-OFF. MAINTENANCE INSPECTED AND FOUND THE RIGHT HAND VOLTAGE REGULATOR WAS DEFECTIVE. THIS WAS REPLACED AND PARELLEDED. NO FURTHER DEFECTS NOTED.
- [SDR UIEA2020070901508](https://openairdocs.org/sdr/UIEA2020070901508.md): Gcu · failed · Jul 7, 2020 · N1489A · Boeing 76731K
  > LT AC BUS FAILED DURING POWER TRANSFER WHILE SHUTTING OFF ENGINES PERFORMED BITE TEST OF BPCU. LT GCU FAIL AND BTB SW/WIRWEI GCU MESSAGES. REMOVED AND REPLACED LT GCU PER AMM 24-22-02. OPS CHECK GOOD. FOUND LOOSE CONNECTOR J4 AT ELEC SYS CONTROL PANEL. RE
- [SDR UIEA2020062901453](https://openairdocs.org/sdr/UIEA2020062901453.md): Gcu · faulty · Jun 29, 2020 · N662GT · Boeing 76731A
  > R GEN OFF, SERVICED RT ENG IDG IAW AMM 12-13-03. ACCOMPLISHED BPCU TEST, FOUND GCU FAULT. REMOVED AND REPLACED GCU IAW AMM 24-22-02. RAN ENGINE, OPS CHECK OK IAW AMM 71-00-00.
- [SDR P5CA2020061500191](https://openairdocs.org/sdr/P5CA2020061500191.md): Gcu · malfunctioned · Jun 13, 2020 · N644GT · Boeing 7673JHF
  > AFTER ENG START L GEN OFF EICAS ANNUNCIATED. RESET L GEN CONTROL PER NON-NORMAL, OPS NORMAL REMAINDER OF FLIGHT. FOUND BPCN BITE NO FAULT, REMOVED AND REPLACED LEFT GCU BY MCC REQUEST THEN LEFT GENERATION SYS OPS NORMAL. ALSO FOUND NO FAULT WITH ENG RUNNING PE
- [SDR AXSA2020061200001](https://openairdocs.org/sdr/AXSA2020061200001.md): Control Unit · defective · Jun 11, 2020 · N119WA · Emb EMB110P1
  > LOST BOTH GENERATORS IN FLIGHT
- [SDR UIEA2020060101149](https://openairdocs.org/sdr/UIEA2020060101149.md): Gcu · malfunctioned · May 28, 2020 · N649GT · Boeing 767375
  > RIGHT IDG INOPERATIVE. TRANSFER TO MDDR #128942 IAW MEL 24-00-01-01 CAT B DUE DATE 31-MAY-2020 LOG PAGE 1138658. REMOVED AND REPLACED RT GCU IAW AMM 24-22-02. OPERATIONAL CHECK GOOD. THIS CLEARS MDDR 128942.
- [SDR UIEA2020060101163](https://openairdocs.org/sdr/UIEA2020060101163.md): Gcu · malfunctioned · May 27, 2020 · N1511A · Boeing 767383
  > LEFT UTILITY BUS INOPERATIVE. TRANSFERRED TO MDDR 128861 MEL 24-51-01, CAT C, DUE 04 JUNE 20, LOG PAGE 1143636. REMOVED AND REPLACED LEFT GCU IAW AMM 24-22-02. OPERATIONS CHECK GOOD. THIS CLEARS MDDR 128861.
- [SDR FDEA2020052211014](https://openairdocs.org/sdr/FDEA2020052211014.md): Gcu · malfunctioned · May 21, 2020 · N689FE · Airbus A300F4605R
  > PDIS 689 24-20 1465 20MAY20 GENERATOR #2 FAULT @ CLIMB FROM FL 300 TO FL 330. TRIED RESET GENERATOR #2 WOULD NOT RESET.ATTEMPTED START OF APU @ FL 330 WOULD NOT START.DESCENDED TO FL250 TO ATTEMPT SECOND START OF APU. APU WOULD NOT START. DEC
- [SDR UIEA2020042700827](https://openairdocs.org/sdr/UIEA2020042700827.md): Gcu · faulty · Apr 24, 2020 · N1409A · Boeing 767306
  > R AC BUS EICAS MSG DURING DESCENT (<P>REPLACED RH GEN GCU. IAW AMM 24-22-02. OPS CHKS GOOD.</P>)
- [SDR UIEA2020042400824](https://openairdocs.org/sdr/UIEA2020042400824.md): Gcu · malfunctioned · Apr 24, 2020 · N1409A · Boeing 767306
  > R GEN TRIPPED OFF, RAN QRH, RECOVERED R GEN, BUT R UTILITY WOULD NOT COME ON LINE. POSITION 13000 FT MSL30 NM FROM ILN.(<P>ITEM PLACED ON MDDR 127461 IAW DDG 24-00-01-01, CAT 'B', DUE DATE 27AUG2020. AIRCRAFT REDUCED TO ER 120. MAINT. ACTIONS C/W. DISPATCH GTC
- [SDR VNAA2020040241102](https://openairdocs.org/sdr/VNAA2020040241102.md): Gcu · malfunctioned · Mar 31, 2020 · N608NN · Cndair CL6002D24
  > DURING CRUISE TO MKE THE CAPT REPORTED A IDG 1, GEN 1, AC BUS 1 MAGENTA FAULT. HE DIVERTED TO DAY PER OUR REQUEST. MX HAD TO TROUBLESHOOT, RE-RACKED IDG 1 AND IDG 2 GENERATOR CONTROL UNIT IAW CRJ 900 AMM. OPS TEST GOOD AT THIS TIME.
- [SDR UIEA2020031700452](https://openairdocs.org/sdr/UIEA2020031700452.md): Gcu · malfunctioned · Mar 14, 2020 · N662GT · Boeing 76731A
  > INFO ONLY, R GEN CAME OFFLINE BRIEFLY & RESET W/O ISSUE.(<P>ACCOMPLISHED BPCU BITE TEST. NO MESSAGES NOTED, REMOVED AND REPLACED GENERATOR CONTROL UNIT (GCU). OPS CHECK NORMAL I.A.W AMM 24-22-02 & I.A.W AMM 71-00-00. NOTE: ENG RUN C/BY CREW.</P>)
- [SDR CALA2020032000641](https://openairdocs.org/sdr/CALA2020032000641.md): Gcu · faulty · Mar 13, 2020 · N2748U · Boeing 777300ER
  > MOMENTARY LOSS OF ALL ELECTRICAL COMPONENTS PWR CYCLED TWICE SUSPECT GCU 2, REF FIM 24-13-00-810-809, SN5170 HAS FAULT HISTOR Y. REF TROUBLESHOOTING ON LOG PAGE 4726610, REMOVED AND REPLACED RIGHT GCU PER AMM 24-22-02-401. RAN #2 ENGINE ISOLATED AND POWERING B
- [SDR CALA2020032000640](https://openairdocs.org/sdr/CALA2020032000640.md): Gcu · faulty · Mar 13, 2020 · N2748U · Boeing 777300ER
  > THE TOMC CONTROLLER AND SENIOR MANAGER CONCUR THAT THE AIRCRAFT CAN BE RELEASED BACK TO SERVICE AFTER EXPERIENCING A DIVERSION OR AIR TURN BACK DUE TO A MECHANICAL REASON LOCKED BY SYSTEM. BASED ON POSITIVE ACTION TAKEN WITH INSPECTION OF #2 ENG GEN FEEDERS, H
- [SDR JIKA20200317301](https://openairdocs.org/sdr/JIKA20200317301.md): Gcu · out of adjust · Mar 13, 2020 · N225BH · Beech C99
  > ENROUTE TO PHX FROM OLS WHEN CREW WAS ADVISED TO HOLD FOR WEATHER AROUND THE SAMETIME THE AIRCRAFT LOST SEVERAL INSTRUMENTS AND LIGHTING, AND RECEIVED INSTRUMENT INOP FLAGS ON CAPTAIN SIDE INCLUDING BUT NOT LIMITED TO, THE ALTIMETER INOP FLAG, TURN COORDINATOR
- [SDR UIEA2020031300440](https://openairdocs.org/sdr/UIEA2020031300440.md): Gcu · malfunctioned · Mar 12, 2020 · N640GT · Boeing 7673S1
  > APU GENERATOR DROPPED OFF LINE, APU RUNS OK (ELECTRIC INOP), BPCU FAULTS GEN TRIP AND GEN.(<P>DEFERRED APU GENERATOR INOP AS PER MEL 24-00-02B, CAT 'B': MDDR 125698.</P><P>LP <SPAN>1045963: </SPAN><SPAN>REMOVED AND REPLACED APU GENERATOR IAW B767 AMM REF 24-21
- [SDR G1IA2020031300000](https://openairdocs.org/sdr/G1IA2020031300000.md): Gcu · contaminated · Mar 10, 2020 · N351SA · Beech B200
  > FAR 1135.415 REPORT. PILOT REPORTS "LH GENERATOR DROPPED OFFLINE CAUSING A MASTER CAUTION. TRIED ONE RESET, BOTH VOLTMETERS STARTED FLUCTUATING. TURNED LH GEN BACK OFF AS PER CHECKLIST". MAINTENANCE INSPECTED LH STARTER/GENERATOR AND CONTROL SYSTEM. WHEN CENTE
- [SDR UIEA2020010800035](https://openairdocs.org/sdr/UIEA2020010800035.md): Gcu · malfunctioned · Jan 5, 2020 · N640GT · Boeing 7673S1
  > REPEATS OF RT GENERATOR DISCONNECT ON RT ENGINE START.(<P>REMOVED AND REPLACED RIGHT GENERATOR CONTROL UNIT IAW B767 AMM 24-22-02. OPS CHECK OK.</P>)
- [SDR UIEA2019110505860](https://openairdocs.org/sdr/UIEA2019110505860.md): Gcu · malfunctioned · Nov 5, 2019 · N1373A · Boeing 76731K
  > MOMENTARY GEN DRIVE EICAS AFTER START.(<P>REMOVED AND REPLACED L GEN CONTROL UNIT IAW AMM 24-22-02, OPS CHECK GOOD AND NO DEFECTS NOTED. RAN ENGINES IAW AMM 71-00-00, NO MSG OBSERVED, OPS CHECK GOOD.</P>)
- [SDR QXEA2019093000373](https://openairdocs.org/sdr/QXEA2019093000373.md): Gcu · malfunctioned · Sep 27, 2019 · N427QX · Bombdr DHC8402
  > #1 AC GEN CAUTION LIGHT ILLUMINATED BEGINNING INTERMITTENTLY AT APPROXIMATELY 20,000FT LIGHT EVENTUALLY REMIANED ILLUMIATED CONTINUOUSLY INCLUDING AFTER COMPLETION OF CHECKLIST. REMOVED FROM SERVICE. REMOVED AND REPLACED GCU #1 REF Q400 AMM 24-21-06-000-801 AN
- [SDR AALA201909259001](https://openairdocs.org/sdr/AALA201909259001.md): Gcu · failed · Sep 23, 2019 · N956UW · Emb ERJ190100IGW
  > AIRCRAFT WAS GROUNDED: PILOT REPORTS DURING CRUISE "IDG 1 OFF BUS" FORCED ELEC EMERGENCY CONDITION. APU STARTED SUCCESSFULLY TO RESTORE POWER, IDG 1 OFF BUS REMAINED. MAINTENANCE REPLACED #1 GCU IAW AMM 24-21-19. TEST OK IAW AMM 24-21-19. #1 IDG TEST OK IAW AM
- [SDR AALA201909179006](https://openairdocs.org/sdr/AALA201909179006.md): Gcu · failed · Sep 16, 2019 · N165US · Airbus A321211
  > AIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO BNA ON ACCOUNT OF APU SHUT DOWN AND NUMBER TWO GENERATOR ON PLACARD. AN EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE #2 ENGINE GCU IAW AMM 24-22-34. OPS CHECK OK. REMOVED AND REPLACED LOW OIL PRESSURE S
- [SDR FDEA201909062113](https://openairdocs.org/sdr/FDEA201909062113.md): Relay · faulty · Sep 6, 2019 · N590FE · Doug MD11F
  > TEST FLIGHT - WHEN CHECKING THE ADG, YOU PULL L EMER AC BUS C/B (UPPER MAIN B-14) TRIPPING THE EMER PWR SWITCH FROM ARM TO ON. DOES NOT AUTOMATICALLY SWITCH TO ON. CAPT LOSES HIS 3 DISPLAY. YOU CAN SELECT EMER PWR SWITCH TO ON & REPOWERS CAPT'S DISPLAYS. LEFT
- [SDR Q2SA20190702423](https://openairdocs.org/sdr/Q2SA20190702423.md): Gcu · malfunctioned · Jul 2, 2019 · N5153A · Boeing 73783N
  > AIRCRAFT GROUNDED. DURING THE "BEFORE START CHECKLIST", THE APU GEN TRIPPED OFF AND A STRONG ELECTRICAL SMELL FILLED THE COCKPIT. RESET APU GCU IAW AMM 24-21-81. VERIFIED ALL SYSTEMS OP CHECK GOOD.
- [SDR FDEA201903010529](https://openairdocs.org/sdr/FDEA201903010529.md): Gcu · inoperative · Mar 1, 2019 · N731FD · Airbus A300F4605R
  > PDIS 731 24-20 2134 01MAR19 CLE FACT U LOGPAGES:2733993 DURING CLIMBOUT FROM KPIT @ 14000' GEN 1 FAULTED. ATTEMPTED TO RESET GEN 1 PER ECAM BUT IT REMAINED FAULTED. FOLLOWED ECAM/QRH PROTOCOL AND DIVERTED TO KCLE. NO WATER INTRUSION FOUND. FACT 02MAR19 0
- [SDR QXEA2019021100069](https://openairdocs.org/sdr/QXEA2019021100069.md): Gcu · malfunctioned · Feb 10, 2019 · N427QX · Bombdr DHC8402
  > A/C GEN CAUTION ILLUMINATED FLICKERED ABOUT 10 TIMES BEFORE STAYING ON. REMOVED FROM SERVICE. INTERROGATED CDS AND NO FAULTS WERE LOGGED. INTERROGATED EPCU, FAULT 27 LOGGED. CHECKED NR 1 AC GEN CHIP DETECTOR, NO CHIPS NOTED. OPS TESTED AC GEN SYSTEM, OPS CHECK
- [SDR UIEA2019011500091](https://openairdocs.org/sdr/UIEA2019011500091.md): Gcu · malfunctioned · Jan 15, 2019 · N1487A · Boeing 76731K
  > LEFT ENG GEN OFF LIGHT (<P>TRANSFERRED TO MDDR # 105940 AS PER MEL 24-00-01-01 CAT B </P><P>LOG PAGE 706715 ACCOMPLISHED BPCU BITE PER FIM 24-20/801 NO FAULTS NOTED, SERVICE LEFT IDG PER AMM 12-13-03, RAN ENGINES PER AMM 71-00-00 NO FAULTS, REMOVED AND REPLAC
- [SDR SIMA20181212004](https://openairdocs.org/sdr/SIMA20181212004.md): Gcu · failed · Dec 12, 2018 · N623AE · Emb EMB145LR
  > GEN1-4 OFF BUS EICAS MESSAGE DISPLAYED INTERMITTENTLY THEN RETURNED TO GEN 1 OFF BUS WHICH IS NORMAL CONDITION DUE TO CURRENT MEL. REMOVED AND REPLACED NR 4 GCU IAW AMM 24-31-02. OPS CHECK GOOD.
- [SDR ASAA2018121127357](https://openairdocs.org/sdr/ASAA2018121127357.md): Gcu · faulty · Dec 11, 2018 · N479AS · Boeing 737990ER
  > NR 1 TRANSFER BUS OFF LIGHT ILLUMINATED AT CRUISE FL230. ACCOMPLISHED QRH, BUS WOULD NOT RESET, TRANSFERRED TO APU BUS. GROUNDED - YES. REMOVED AND REPLACED #1 GENERATOR CONTROL UNIT REF AMM 24-21-81/401. INSTALLATION TEST PASSED. PERFORMED OPERATIONAL TEST OF
- [SDR AALA2018121809002](https://openairdocs.org/sdr/AALA2018121809002.md): Circuit Breaker · faulty · Dec 8, 2018 · N772AN · Boeing 777223
  > THE AIRCRAFT WAS GROUNDED. AC DIVERTED TO ORD ON ACCOUNT 7 TIMES DURING DESCENT FROM 18,000 FEET THROUGHOUT TOUCHDOWN - LOUD RELAY ELECTRIC CLOSING / OPENING AND UPPER EICAS DISPLAY SCREEN WENT BLANK FOR 2-3 SECONDS. PER FAULT ISOLATION MANUAL MESSAGE 24-11100
- [SDR AALA201812039014](https://openairdocs.org/sdr/AALA201812039014.md): Gcu · failed · Dec 2, 2018 · N959UW · Emb ERJ190100IGW
  > FLT 1869 EN-ROUTE MCI - PHL. THE AIRCRAFT WAS GROUNDED. IDG 2 OFF BUS CAUTION MSG OCCURRED IN FLIGHT COMPLIED WITH QRH MESSAGE REMAINED ON. THE FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO IND WITHOUT FURTHER INCIDENT. MAINTENANCE INSTALLED SERVICEABLE NR
- [SDR FDEA201812013411](https://openairdocs.org/sdr/FDEA201812013411.md): Gcu · malfunctioned · Dec 1, 2018 · N661FE · Airbus A300F4605R
  > OPERATING UNDER MEL 49-33-12 (NO APU GEN AVAILABLE) DURING TAKEOFF AT V1 FO PFD FLICKERED, ALT FLAT. AT APPROXIMATELY 1000 AGL GEN 2 FAULT AND AC BUS 2 FAIL ON ECAM AND OVERHEAD PANEL. GEN 2 DID NOT RESET AND COULD NOT POWER AC BUS 2. ATB TO KDEN. DURING ATB
- [SDR ASAA2018112727132](https://openairdocs.org/sdr/ASAA2018112727132.md): Gcu · failed · Nov 27, 2018 · N479AS · Boeing 737990ER
  > TRANSFER OF POWER AFTER LANDING TO APU NR 1 TRANSFER BUS OFF LIGHT CAME ON. GROUNDED - YES. ACCOMPLISHED TRANSFER BUS OFF LIGHT ILLUMINATION FIM TASK 24-21-00-810 FOUND BTB FAULT AT NR 1 GENERATOR CONTROL UNIT. REMOVED AND REPLACED GCU 1 REF AMM 24-21-81. OPS
- [SDR CALA2018111902403](https://openairdocs.org/sdr/CALA2018111902403.md): Wire · arced · Nov 19, 2018 · N439UA · Airbus A320232
  > MULTPLE SYSTEMS POWERED BY AC BUS 1 FAILED DURING FLIGHT RELATED TO AC BUS 1. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN ARCING. INSPECT #1 ENGINE IDG CABLE CONNECTOR AT PYLON FOR SIGNS OF MAC RELATED WORK ORDER 000000001649277 AND PRTR FOUND ARCING AT PLYLO
- [SDR CALA2018101502120](https://openairdocs.org/sdr/CALA2018101502120.md): Gcu · inoperative · Oct 15, 2018 · N77871 · Boeing 75733N
  > EICAS WENT BLANK AFTER T/O THEN R HYD ELEC PUMP AUTOTHROTTLE DISC FOUND C/B OPEN/POPPED, P31 L GEN PWR PNL. CB 115 VAC BUS L, SECT 1. C/B RESET, BUT NO TIME TO T/S FAULT CHECKED THE AREA INSIDE P31 PANEL, ALL NORMAL, REPLACED CB AT P31 PANEL C313, REF WD 24-51

Next page: https://openairdocs.org/jasc/2424/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE jasc_code = '2424'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2424/reports

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