# Service difficulty reports: JASC 2425

A list on [JASC 2425](https://openairdocs.org/jasc/2425.md).

Reports filed under 2425 · AC Indicating System, newest first.

Page 1 of 3 · 137 reports

- [SDR CALA2022101402803](https://openairdocs.org/sdr/CALA2022101402803.md): None · inoperative · Oct 14, 2022 · N58101 · Boeing 757200
  > AFT L LAV NOT FLUSHING NO MOTOR SOUND LAV SWITCH WAS CYCLED SEVERAL TIMES TO OPERATE. ORDERED LAV SWITCH AND WILL PASS IT TO DAY SHIFT SUPERVISOR. REMOVED AND REPLACED FLUSHING SWITCH REF AMM 24-25- OPS CHECK GOOD PLACKARD REMOVED OK FOR SERVICE.
- [SDR DALA2021110106720](https://openairdocs.org/sdr/DALA2021110106720.md): None · none · Oct 30, 2021 · N361NW · Airbus A320212
  > SHIP 3261 IN FLIGHT AT CRUISE, FL350, GEN 1 SHOWED AMBER XX'S FOR ALL INDICATIONS. GEN 1 WAS WORKING, ALL BUSSES WERE POWERED NORMALLY, AND NO ECAM MESSAGES. APPEARS TO BE AN INDICATION ANAMOLY ONLY. CORRECTIVE ACTION: R/R EGIU-1 PER A320 AMM 24-22-33. OPS CK
- [SDR CALA2021051000632](https://openairdocs.org/sdr/CALA2021051000632.md): Hydraulic Line · leaking · May 10, 2021 · N649UA · Boeing 767322
  > DURING CHECK NO 2 SERVICE HMG BLOCK 8 OPRATIONAL CHECK FOUND HYDRAULIC LEAK THRU BODY OF HMG. PERFORMED INTERIM REPAIR PER ECRA 2420-01623 PART 1. HYD LINES PLUGGED,UNIONS REMOVED NO LEAKS NOTED FROM HYDRAULIC LINES PRESSURIZED.INITIATE A DIP TO PERFORM PERMA
- [SDR UIEA2020052201098](https://openairdocs.org/sdr/UIEA2020052201098.md): Warning System · false activation · May 21, 2020 · N640GT · Boeing 7673S1
  > AFTER ENGINE START DURING TAXI RECEIVED LEFT AC BUS EICAS MESSAGE - QRH COMPLETED(<P>PERFORMED BPCU BITE PROCEDURE IAW B767 FIM 24-20 FT 801 SHEET 1 1, 2,12. NO FAULTS NOTED, SYS RESET, FAULT MESSAGE CLEARED.</P>)
- [SDR ASAA2019092930842](https://openairdocs.org/sdr/ASAA2019092930842.md): Warning System · false activation · Sep 29, 2019 · N579AS · Boeing 737890
  > #1 SOURCE OFF LIGHT ILLUMINATED AT TOP OF DESCENT. RAN QRH SOURCE OFF CHECKLIST. SOURCE OFF LIGHT EXTINGUISHED WHEN APU RUNNING AND ON BUS. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 24-21 TASK 823. ALL CHECK NORMAL DETERMINED TO BE AN INTERMITTENT FAULT. CREW
- [SDR ASAA2019092530823](https://openairdocs.org/sdr/ASAA2019092530823.md): Warning System · false activation · Sep 25, 2019 · N584AS · Boeing 737890
  > TRANSFER BUS OFF LIGHT #2 BEGAN TO FLICKER JUST AFTER TOP OF DESCENT TO JFK, IT WAS ALWAYS A VERY QUICK FLASH AND CAUSED THE MASTER CAUTION TO FLASH AS WELL. NO OTHER SYSTEMS SEEMED TO BE AFFECTED AND THE BUS SEEMED TO REMAINED POWERED CONTINUOUSLY. THE INTERM
- [SDR UIEA2019071804789](https://openairdocs.org/sdr/UIEA2019071804789.md): Relay · faulty · Jul 16, 2019 · N1361A · Boeing 76731B
  > HYD GEN VAL MESSAGE(<P>LP 1072969 - M12: RECONNECTED HYDRAULIC MOTOR GENERATOR SHUTOFF VLV CANNON PLUG, TEST TO BE PERFORMED ON LP 1072969 - ITEM M11 PER AMM 24-25-03.<BR DATA-MCE-BOGUS="1" /></P><P>LP 1072969 - M11: T/S 'HYD GEN VAL" MSG, FOUND RELAY K860 TO
- [SDR UIEA2019050804148](https://openairdocs.org/sdr/UIEA2019050804148.md): Warning System · false activation · May 7, 2019 · N662GT · Boeing 76731A
  > LEFT IDG VALVE DISPLAYED.(<P>PERFORMED FIM 24-20 FT 802. NO FAULTS ON BPCU. CHECK CONTINUITY AT CONNECTOR D11 G45 IN IDG HEAT EXCHANGER VALVE. NO DISCREPANCIES NOTICED. CLEARED STATUS MSG IAW FIM 31-41-00/101, FIG 109. </P><P>LP 1009448 - M5: REMOVED K1033 REL
- [SDR QXEA2019012200039](https://openairdocs.org/sdr/QXEA2019012200039.md): Unknown · malfunctioned · Jan 19, 2019 · N447QX · Bombdr DHC8402
  > AFTER PUSH BACK, DURING THE AFTER START FLOW WE GOT ON THE PFD 2 A: 1. HDG FAIL, 2. WX FAIL, 3. TERR FAIL, & 4 TCAS FAIL MSG. AFTER RUNNING THE HDG FAIL CHECK LIST (4.18) AND DOING THE SPGRG AHRU RESET, MX REQUESTED TO RETURN TO GATE. DURING THE TAXI BACK TO
- [SDR UIEA2018091301963](https://openairdocs.org/sdr/UIEA2018091301963.md): Warning System · activated · Sep 13, 2018 · N249BA · Boeing 747409
  > ABORTED TAKE OFF FOR ELEC BUS ISLN 3 ADVISORY. APPLIED DDG 24-11-01A.
- [SDR I5PA201808170003](https://openairdocs.org/sdr/I5PA201808170003.md): Shutoff Valve · inoperative · Aug 17, 2018 · N888LT · Boeing 757230
  > HMG INOPERATIVE.
- [SDR ASAA2017012119479](https://openairdocs.org/sdr/ASAA2017012119479.md): Warning System · false activation · Jan 21, 2017 · N565AS · Boeing 737890
  > AFTER ENGINE START NR 2 ENGINE GEN OFF BUS AND SOURCE OFF LIGHTS ILLUMINATED. GEN TRIPPED OFF AFTER BEING CONNECTED TO BUS. GROUNDED - YES. ACCOMPLISHED NR 2 GENERATOR CONTROL UNIT BITE PROCEDURE. FOUND IDG FAULT LIGHT ILLUMINATED. RESET FAULT LIGHT. RE-CONNEC
- [SDR A6WA201644093](https://openairdocs.org/sdr/A6WA201644093.md): Warning System · activated · Jul 14, 2016 · N468AW · Cndair CL6002B19
  > NR 2 IDG CAUTION MSG, CW QRH NR 1 IDG ALREADY ON MEL. DIVERTED, LANDING WEIGHT APPROXIMATELY 43000 LBS, BRMS 4, 4, 4, 4.
- [SDR UIEA2016041600246](https://openairdocs.org/sdr/UIEA2016041600246.md): Warning System · activated · Apr 16, 2016 · N651GT · Boeing 767231
  > LOW SPEED ABORT FOR RT ENG GEN DRIVE, CAUTION MSG COMPLIED WITH QRH. TRANSFERRED TO MEL 24-00-01-03 MDDR 65929 CAT B.
- [SDR A6WA201643765](https://openairdocs.org/sdr/A6WA201643765.md): Warning System · activated · Apr 8, 2016 · N426AW · Cndair CL6002B19
  > ABORTED TAKEOFF FOR IDG2 CAUTION MSG BELOW 80 KNOTS. NORMAL BTMS.
- [SDR UIEA2016040200228](https://openairdocs.org/sdr/UIEA2016040200228.md): Warning System · false activation · Apr 2, 2016 · N640GT · Boeing 7673S1
  > STATUS MSG RT IDG VLV. COMPLIED WITH FIM PROCEDURE 24-20 TREE 802, MSG CLEARED & NO HARD FAULT.
- [SDR UIEA2016010600004](https://openairdocs.org/sdr/UIEA2016010600004.md): Warning System · false activation · Jan 6, 2016 · N640GT · Boeing 7673S1
  > LEFT IDG VLV STATUS MSG. COMPLIED WITH FIM 24-20 FT 802. BUS POWER CONTROL UNIT INDICATED IDG HIGH, DELTA TEMP. COMPLIED WITH FAULT TREE 807, BUS POWER CONTROL UNIT WOULD NOT CONFIRM FAULT. CLEARED MSG IAW FT 807 AC GEN BITE PROCEDURE TABLE 102.
- [SDR HNAA2016010400001](https://openairdocs.org/sdr/HNAA2016010400001.md): Tru · malfunctioned · Jan 4, 2016 · N941 · Dhav DHC8102
  > DURING CRUISE, RT AC BUSS CAUTION LIGHT ILLUMINATED. FOLLOWING C/L'S ILL. R TRU, R ELEVATOR HORN HEAT, AND RT STALL WARNING, MAINTENANCE GROUND RAN ACFT.
- [SDR A6WA201543256](https://openairdocs.org/sdr/A6WA201543256.md): Warning System · activated · Nov 16, 2015 · N410AW · Cndair CL6002B19
  > ABORTED TO AT 55 KTS, DUE TO IDG 1 CAUTION. FOLLOWED BY GEN 1 CAUTION MSG.
- [SDR 2015FA0000617](https://openairdocs.org/sdr/2015FA0000617.md): Inverter · malfunctioned · Oct 23, 2015 · N131AJ · Lear 35A
  > PILOT REPORTED A VOLTAGE SPIKE FOR THE SECONDARY INVERTER INDICATOR.
- [SDR ASMF201510025](https://openairdocs.org/sdr/ASMF201510025.md): Warning System · false activation · Sep 30, 2015 · N851AM · Boeing 737752
  > AIRCRAFT RETURNED TO PLATFORM DUE TO DURING TAXING, THE ELEC LIGHT TURNED ON. PERFORMED RESEAT TO STANDBY POWER IAW AMM 24-21-00, NO CONFIRMING FAILURE, TESTED CORRECT.
- [SDR MTNA20150715001](https://openairdocs.org/sdr/MTNA20150715001.md): Warning System · false activation · Jul 14, 2015 · N721FX · Cessna 208B
  > DURING TAKEOFF, THE GEN OFF LIGHT INDICATOR ILLUMINATED & DID NOT RESET. IN ADDITION THERE WAS A BURNING SMELL IN THE COCKPIT. SYSTEM CHECKED, COULD NOT DUPLICATE DISCREPANCY, GENERATOR CABLES CHECKED FOR SECURITY, FOUND GOOD. OPERATION VERIFIED DURING FOUN
- [SDR A6WA201442170](https://openairdocs.org/sdr/A6WA201442170.md): Warning System · activated · Nov 16, 2014 · N471ZW · Cndair CL6002B19
  > AFTER TAKEOFF THRUST APPLIED RECEIVED IDG NR 2 CAUTION & GEN NR 2 CAUTION MSG. ABORTED TAKEOFF AT LESS THAN 20 KTS.
- [SDR UIEA2014102300503](https://openairdocs.org/sdr/UIEA2014102300503.md): Warning System · activated · Oct 23, 2014 · N642GT · Boeing 7673Y0
  > IDG OUT TEMP MX MSG. IN WORK ACFT IS IN A CHECK.
- [SDR 9JLA2014101307187](https://openairdocs.org/sdr/9JLA2014101307187.md): Diode · defective · Sep 18, 2014 · N304HE · Raythn HAWKER800
  > THE MULTIFUNCTION DISPLAY WENT BLANK. TROUBLESHOOTING FOUND THAT THE SG WAS INOPERATIVE. FURTHER TROUBLESHOOTING FOUND DIODES CR79 & CR80 DEFECTIVE. IT’S UNCLEAR IF THE DEFECTIVE SG TOOK OUT THE DIODES OR DIODES TOOK OUT THE SG. THE DIODES WERE REPLACED WI
- [SDR CALA2014091801255](https://openairdocs.org/sdr/CALA2014091801255.md): Warning System · activated · Sep 17, 2014 · N76508 · Boeing 737824
  > ON RUNWAY GOT GEN OFF LIGHT SOURCE LIGHT ON RT ENG TRIED TO RESET IAW QRH NO HELP. GOT IDG FAULT, DISCONNECTED IDG, CHECKED OIL LEVEL BOTH IDGS & OIL LEVEL AT APU PLACED ON MEL 24-01-2R. COMPLIED WITH DDPG PULLED BULBS FROM LIGHTS AS PRESCRIBED IAW MEL DDPG
- [SDR HNAA2014061800185](https://openairdocs.org/sdr/HNAA2014061800185.md): Monitor · inoperative · Jun 18, 2014 · N914HA · Dhav DHC8102
  > AC POWER MONITOR IS BLANK. R & R AC POWER MONITOR IAW 24-29-05. OPS CHECKED GOOD.
- [SDR CALA2014060291179](https://openairdocs.org/sdr/CALA2014060291179.md): Warning System · false activation · Jun 2, 2014 · N796UA · Boeing 777222
  > CREW REPORTS LT & RT ENG GEN CONTROL OFF LIGHTS CAME ON IN FLIGHT. AFTER CHECKLIST CARRIED OUT EVERYTHING WENT BACK TO NORMAL. ON ARRIVAL NO EXISTING FAULTS SHOWING ON MAT. CREW RAN LT & RT ENGS ON GND, WHEN ENG AT IDLE EXT POWER & APU POWER REMOVED. VERIF
- [SDR SIMA20131219003](https://openairdocs.org/sdr/SIMA20131219003.md): Warning System · false activation · Dec 19, 2013 · N515AE · Cndair CL6002C10
  > FLIGHT 3683 ACFT BUS 2 CAUTION MSG POSTED AFTER LANDING & NR 1 ENG SHUT DOWN. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED OPERATIONAL CHECK OF LT & RT GEN INTEGRATED DRIVE UNITS IAW CRJ700 AMM 24-11-01. OPERATIONS CHECKED GOOD. THE ACFT RETURN TO SERVICE.
- [SDR CALA2013090290936](https://openairdocs.org/sdr/CALA2013090290936.md): Light · no test · Aug 31, 2013 · N669UA · Boeing 767322
  > NO RT BUS OFF LIGHT INOPERATIVE WILL NOT TEST - AT DEPARTURE.
- [SDR UALA2013040802330](https://openairdocs.org/sdr/UALA2013040802330.md): Warning System · false activation · Apr 6, 2013 · N438UA · Airbus A320232
  > GEN 2 FAULT DISPLAYED ON UPPER ECAM. INSTALLED GCU, GOT GOOD VOLTS AND FREQS, BUT STILL WOULD NOT COME ONLINE. IDG OIL LEVEL GOOD. RE-INSTALLED OLD GCU AND DEFERRED REF MEL 2420D. INF-:PRIOR TO CLEARING THIS DF ITEM AND RESTORING IDG TO SVC, PYLON MOUNTED
- [SDR UALA2013040102085](https://openairdocs.org/sdr/UALA2013040102085.md): Controller · failed · Apr 1, 2013 · N598UA · Boeing 757222
  > HMG FAILED ACK OPS CK. REPLACED HMG CONTROLLER.
- [SDR N6WA2013030201](https://openairdocs.org/sdr/N6WA2013030201.md): Display · inoperative · Mar 2, 2013 · N165GJ · Cndair CL6002C10
  > DURING TAKEOFF ROLL CAPT'S PFD AND MFD WENT BLANK AND YDI INOPERATIVE, STAB CHAN NR 2, R REV FAULT. R & R SSPC K 126 IAW AMM 24-62-11, OP'S CHECK GOOD.
- [SDR CA130225022](https://openairdocs.org/sdr/CA130225022.md): Indicator · fluctuates · Feb 25, 2013 · Bell 212
  > (CAN) AMPERE INDICATOR HAD FLUCTUATING INDICATIONS.
- [SDR VNAA2013021000009](https://openairdocs.org/sdr/VNAA2013021000009.md): Warning System · false activation · Feb 10, 2013 · N244PS · Cndair CL6002B19
  > CREW REPORTED GEN 2 AMBER CAS MESSAGE ON CLIMBOUT. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT USING FIM (FAULT ISOLATION MANUAL). MAINTENANCE FOUND IDG (INTEGRATED DRIVE GENERATOR) OIL LEVEL FULL, INSPECTED WIRING AND PERFOR
- [SDR ASAA12511001](https://openairdocs.org/sdr/ASAA12511001.md): Warning System · false activation · Jan 26, 2012 · N519AS · Boeing 737890
  > AFTER START THE NR 1 ENGINE GENERATOR WOULD NOT GO ONLINE. DURING 1ST ATTEMPT THE VOLTS AND FREQUENCY WAS NORMAL. ON 2ND ATTEMPT TO CONNECT THE GENERATOR IT SHOWED 0 VOLTS AND FREQUENCY. PERFORMED GENERATOR CONTROL UNIT BITE PROCEDURE PER FIM TASK 24 21 00
- [SDR MYWA120008](https://openairdocs.org/sdr/MYWA120008.md): Unknown · malfunctioned · Jan 19, 2012 · N733MA · Boeing 73781Q
  > ETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE DRIVE LIGHT IS NOT ILLUMINATED ON THE GROUND WHEN ENGINE NOT RUNNING. PERFORMED BITE TEST OF NR 2 GCU NO FAULTS DETECTED IAW 24-11 TASK 801 LIGHT ILLUMINTED ON GROUND. ACCOMPLISHED IDG SCAVENGE FILTER INSPECTION IAW 737
- [SDR REXA201200022](https://openairdocs.org/sdr/REXA201200022.md): Warning System · intermittent · Dec 30, 2011 · N8908D · Cndair CL6002B19
  > AIR RETURN FOR IDG NR 2 CAUTION MSG INTERMITTENT ON CLIMBOUT.
- [SDR UALA2011083104688](https://openairdocs.org/sdr/UALA2011083104688.md): Generator · faulty · Aug 30, 2011 · N215UA · Boeing 777222
  > ELECTRICAL BACKUP GENERATOR RT OFF. ONE RESET. OFF AGAIN. MULTIPLE CHRONIC. REPLACED RT ELECTRICAL BACK UP GENERATOR, OPS & LEAK CHECKED GOOD.
- [SDR UALA2011072103705](https://openairdocs.org/sdr/UALA2011072103705.md): Transformer · faulty · Jul 20, 2011 · N598UA · Boeing 757222
  > HMG FAILS A-CHECK. MEASURED VOLTAGE IS 34.4 VDC. REQUIRED VOLTAGE IS 28VCD +-3. REPLACED HMG TRANSFORMER POWER SUPPLY T10060, HMG CHECKS OKAY.
- [SDR ASAA1159643](https://openairdocs.org/sdr/ASAA1159643.md): Unknown · malfunctioned · May 13, 2011 · N519AS · Boeing 737890
  > IDG "DRIVE" LIGHT NOT ON DURING PREFLIGHT. PER FLT CREW DRIVE LT OPERATED NORMALLY. SUSPECT BATTERY SW WAS IN OFF POSITION CAUSING NR 1 DRIVE LT TO EXTINGUISH. NORMAL OPERATION REF MM 24 11 11 700 801 STEP E1. NO HISTORY PAST 30 DAYS.
- [SDR UALA2011032801468](https://openairdocs.org/sdr/UALA2011032801468.md): Converter · faulty · Mar 27, 2011 · N210UA · Boeing 777222
  > LEFT BACKUP GENERATOR IS OFF OR HAS FAILED. ELECTRICAL BACKUP GENERATOR LT EICAS MESSAGE. ATTEMPTED RESET. MESSAGE RE-APPEARED. REPLACED BUG CONVERTER PER MM. NO FAULT NOTED.
- [SDR UALA2011031401207](https://openairdocs.org/sdr/UALA2011031401207.md): Converter · faulty · Mar 12, 2011 · N216UA · Boeing 777222
  > BOTH BACKUP GEN LIGHTS CAME ON SAME TIME. RESET PER CHECKLIST. ALL OK. REPLACED BACKUP GEN CONVERTER PER MM. GROUND CHECKS PASSED.
- [SDR REXA201100033](https://openairdocs.org/sdr/REXA201100033.md): Warning System · activated · Jan 9, 2011 · N8709A · Cndair CL6002B19
  > NR 2 GEN OFF CAUTION MESSAGE, DEFERRED PER MEL 24-11-11.
- [SDR UALA2010101803858](https://openairdocs.org/sdr/UALA2010101803858.md): Converter · faulty · Oct 17, 2010 · N223UA · Boeing 777222
  > BACKUP CONVERTER FAILURE. ACCOMPLISHED ALL WIRE CHECKS, NO DEFECTS FOUND. REPLACED CONVERTER, GROUND TEST AND ENG TEST PASS, NO STATUS MESSAGE.
- [SDR UALA2010101503824](https://openairdocs.org/sdr/UALA2010101503824.md): Converter · tripped · Oct 14, 2010 · N223UA · Boeing 777222
  > BOTH BACKUP GENS TRIPPED OFF IN DESCENT. RESET OK. REPLACED BACKUP GEN FREQ CONVERTER, CK'D OK AND TEST PASSED.
- [SDR REXA201000139](https://openairdocs.org/sdr/REXA201000139.md): Warning System · activated · Sep 15, 2010 · N8560F · Cndair CL6002B19
  > ACESS BUS CAUTION MESSAGE. AIRCRAFT STILL IN WORK.
- [SDR UALA2010061602124](https://openairdocs.org/sdr/UALA2010061602124.md): Converter · faulty · Jun 14, 2010 · N769UA · Boeing 777222
  > VSCF, BEPS STATUS MSG. CONVERTER FOUND FAULTY. REPLACED BACK UP CONVERTER. ENGINE RUN PERFORMED. OPS CHECK TEST PASSED.
- [SDR UALA2010041301250](https://openairdocs.org/sdr/UALA2010041301250.md): Generator · faulty · Apr 11, 2010 · N229UA · Boeing 777222
  > LT ENGINE BACKUP GENERATOR FILTER BLOCKED MESSAGE ON MAINT PAGE. DPI POPPED, ALSO LEAKING OIL BY HSG. REPLACED IAW AMM. RAN ENGINES, BUG HELD LOADS, RESERVICED. BUG CHECKED NORMAL.
- [SDR UALA2010031000825](https://openairdocs.org/sdr/UALA2010031000825.md): Generator · failed · Mar 10, 2010 · N206UA · Boeing 777222
  > ELEC BACKUP GEN R RIGHT BACKUP GENERATOR IS OFF OR HAS FAILED. SERVICED BACK UP GENERATOR RT OIL TO FULL. REPLACED RT BACKUP GENERATOR. PERFORMED ENG RUN PER JRH. ALL OPS AND INDICATIONS NORMAL. NO LEAKS FOUND.

Next page: https://openairdocs.org/jasc/2425/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 = '2425'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2425/reports

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