# Service difficulty reports: JASC 4500

A list on [JASC 4500](https://openairdocs.org/jasc/4500.md).

Reports filed under 4500 · Central Maintenance Computer, newest first.

- [SDR DALA2025060404255](https://openairdocs.org/sdr/DALA2025060404255.md): Controller · faulted · Jun 2, 2025 · N854NW · Airbus A330223
  > SHIP 3354 - ATO - AT 40 KTS DUE TO DATA LINK FAULT. CORRECTIVE ACTION: REPLACED ATSU AND ENSURED SOFTWARE WAS CORRECT. OK FOR SERVICE. (7031668)
- [SDR DALA2024050905065](https://openairdocs.org/sdr/DALA2024050905065.md): Printer · odor · May 4, 2024 · N416DX · Airbus A330941
  > SHIP 3416 ELECTRICAL FUME ODOR FLIGHT DECK IN CRUISE. DONNED OXY MASK. CORRECTIVE ACTION: REPLACED ACARS PRINTER. OK FOR SERVICE. (5270756)
- [SDR DALA2024042204641](https://openairdocs.org/sdr/DALA2024042204641.md): Printer · failed · Apr 20, 2024 · N420DX · Airbus A330941
  > SHIP 3420 - DIV - INTO KEF DUE TO ELECTRICAL BURNING SMELL IN FLIGHT DECK. CORRECTIVE ACTION: REPLACED ACARS PRINTER. OK FOR SERVICE. (5323135)
- [SDR YENA2024020500224](https://openairdocs.org/sdr/YENA2024020500224.md): Control Unit · failed · Feb 3, 2024 · N3121J · Airbus BD5001A11
  > FLT#771. BOS-CUN. (AIRCRAFT PERFORMED AN AIR TURN BACK TO BOS). 'AFTER FIRST ENGINE START, INFLIGHT CREW ALERTED US THAT THE CABIN CMS SCREEN WENT BLANK. WE UTILIZED THE CABIN COM RESET GUIDE, WAITED 8 MINS AND THE SYSTEM RESET AND FAULT CLEARED. ONCE AIRBORN
- [SDR DALA2022090605967](https://openairdocs.org/sdr/DALA2022090605967.md): None · none · Sep 3, 2022 · N404DX · Airbus A330941
  > SHIP 3404 SMELLED BURNING PLASTIC, THEN SHORTLY AFTER 30 SECONDS TO 1 MINUTE "PRINTER FAIL" APPEARED ON FMC#3. SMELL DISSIPATED. CORRECTIVE ACTION: VERIFIED PRINTER FAILED. REMOVED AND REPLACED PRINTER AS REQUIRED. OPS NRML. (8973768)
- [SDR DALA2022072005014](https://openairdocs.org/sdr/DALA2022072005014.md): Computer · installed · Jul 16, 2022 · N385DZ · Airbus A321211
  > C/W ER/A 600868-14 REV ORIG SEC I - A/C 3085 FOMAX 3 UPGRADE AND ACMS LOAD B 2.5 UPGRADE. C/W ER/A 600868-14 REV ORIG SEC I - A/C 3085 FOMAX 3 UPGRADE AND ACMS LOAD B 2.5 UPGRADE. C/W ER/A 600868-14 REV ORIG. FOMAX UPGRADE AND FDIMU S/W LOAD COMPLETE. (LP# 232
- [SDR SWIA2021090860820](https://openairdocs.org/sdr/SWIA2021090860820.md): Processor · faulted · Sep 7, 2021 · N306SY · Emb ERJ170200LR
  > AVNX MAU 1B FAIL DURING ARRIVAL INTO AIRPORT. DEGRADED NAVIGATION PERFORMANCE. LOSS OF CA AND FO PFD. LOSS OF NAV/COM 1. LOSS OF GPS 1. DECLARED IFE. THE FOLLOWING CAUTIONS, ADVISORY, AND MESSAGES WERE DISPLAYED ON EICAS: ICE DETECTOR 1 FAIL, VHF 3 FAIL, EME
- [SDR AALA202012059001](https://openairdocs.org/sdr/AALA202012059001.md): Monitor · malfunctioned · Dec 4, 2020 · N105UW · Airbus A320214
  > AIRCRAFT WAS GROUNDED. REJECTED TAKE OFF AT APPROXIMATELY 70 KNOTS DUE TO SPURIOUS ELECTRONIC CENTRALIZED AIRCRAFT MONITOR, CAUTION. AIR TRAFFIC SERVICES UNIT 1 FAULT. PERFORMED OPERATIONAL TEST OF AIR TRAFFIC SERVICES UNIT, PER AMM 46-21-00-710-001-A. CHE
- [SDR CA190802002](https://openairdocs.org/sdr/CA190802002.md): Data Unit · failed · Aug 1, 2019 · Boeing 7879
  > (CAN) AT TOP OF DECENT CREW HAS MSGS COME UP WITH AUTO BRAKES OFF. 2 LEFT BRAKES INOP, TRUST REVERSES INOP, NOSE WHEEL BYPASS SOLENOID INOP. FLIGHT DECLARED AN EMERGENCY. RESOLUTION REPLACED RDC #3 PER AMM 42-21-07, CHKD SERV. (TC# 20190802002)
- [SDR CALA2013100791797](https://openairdocs.org/sdr/CALA2013100791797.md): Computer · malfunctioned · Oct 5, 2013 · N178UA · Boeing 747422
  > IAW DF0504 CTR CDU INOPERATIVE, NEED TO REPLACE "RIGHT CMC" ON ACCNT "CMC-R FAIL" MESSAGE 45040 COMES UP. REPLACED RT CMC COMPUTER IAW AMM.
- [SDR SWAA2013062417451](https://openairdocs.org/sdr/SWAA2013062417451.md): Cradle · faulty · Jun 18, 2013 · N614SW · Boeing 7373H4
  > ON LANDING ROLL STRONG ELECTRICAL BURNING SMELL IN COCKPIT--OPC RADOME CIRCUIT BREAKER POPPED. OPC CHARGING CRADLE FOUND TO BE CAUSE. R&R OPC CRADLE IAW MM.
- [SDR SWAA2012120410218](https://openairdocs.org/sdr/SWAA2012120410218.md): Computer · failed · Dec 1, 2012 · N763SW · Boeing 7377H4
  > FUMES DETECTED ON AIRCRAFT. INSPECTED COMPUTER PER 05-51-56 FOUND OPC TO BE THE CAUSE OF ODOR.
- [SDR ZKFR201109286209](https://openairdocs.org/sdr/ZKFR201109286209.md): Circuit Card · failed · Sep 28, 2011 · N78KN · Hawbee 4000
  > FOUND CMC CARD TO BE FAILED. R & R CMC MODULE ASSY (CARD). OPS CHECKS GOOD.
- [SDR VNAA2011071500014](https://openairdocs.org/sdr/VNAA2011071500014.md): Computer · failed · Jul 11, 2011 · N242JS · Cndair CL6002B19
  > AT CLT, CREW REPORTED LIGHTNING STRIKE ON CAPTAIN’S SIDE LOWER LEFT CENTER OF WINDSCREEN IN FLIGHT. MAINTENANCE INSPECTED AIRCRAFT AND REMOVED AND REPLACED THE FOLLOWING COMPONENTS: MDC (MAINTENANCE DIAGNOSTIC COMPUTER), LOWER TAIL NAV LIGHT ASSEMBLY, FORWAR
- [SDR NWAA085043358](https://openairdocs.org/sdr/NWAA085043358.md): Printer · failed · Nov 9, 2008 · N858NW · Airbus A330223
  > PRINTER FAILED AND SMOKE CAME FROM PRINTER, TURNED OFF PRINTER AND SMOKE STOPPED. PRINTER REPLACED AND TEST NORMAL.
- [SDR 0502013265](https://openairdocs.org/sdr/0502013265.md): Printer · smoke · Dec 30, 2005 · N365NW · Airbus A320212
  > PRINTER STARTED SMOKING DURING FLIGHT. PULLED C/B AND LIFTED PRINTER COVER. NO FURTHER PROBLEMS. PRINTER REMOVED AND REPLACED. PRINTER REMOVED (NWA STK 32-3130-9-0006 S/N OFF 02352).

## 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 = '4500'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/4500/reports

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