# Service difficulty reports: JASC 6520

A list on [JASC 6520](https://openairdocs.org/jasc/6520.md).

Reports filed under 6520 · Tail Rotor Gearbox, newest first.

Page 1 of 18 · 865 reports

- [SDR QMLA2026090620062](https://openairdocs.org/sdr/QMLA2026090620062.md): Gearbox · making metal · Sep 4, 2026 · N507AM · Snias AS350B3
  > TRGB CHIP LIGHT. INSPECTED AND CLEANED TGB CHIP DETECTOR. ALL MAINTENANCE COMPLETED.
- [SDR QR9R2026071600001](https://openairdocs.org/sdr/QR9R2026071600001.md): Chip Detector · faulted · Jul 16, 2026 · Bolkms BK117C2
  > INTERMITTENT TAIL ROTOR CHIP LIGHT. CAME ON 3X AND REMAINED ON FOR ABOUT 3 TO 4 SECONDS EACH TIME. REMOVED AND REPLACED T/R CHIP DETECTOR; OPERATIONAL CHECK COMPLETED GOOD.
- [SDR QMLA2026060120033](https://openairdocs.org/sdr/QMLA2026060120033.md): Chip Detector · contaminated · May 30, 2026 · N947MD · Bell 407
  > UPON LANDING TO TRANSLOAD A PATIENT, THE TGB CHIP LIGHT ILLUMINATED. DUE TO THIS INDICATION AND SUBSEQUENT ENGINE SHUTDOWN, WE WERE UNABLE TO COMPLETE THE TRANSPORT OF THE PATIENT. THE PATIENT WAS THEN MOVED BY AMBULANCE. CHIP DETECTOR CLEANED, FINDINGS INDICA
- [SDR HEEA202603170001](https://openairdocs.org/sdr/HEEA202603170001.md): Gearbox · indication · Mar 16, 2026 · N675P · Airbus H160B
  > TGB CHIP LIGHT. ENROUTE FROM MC809A TO HOUMA, TGB CHIP LIGHT CAME ON INTERMITTENTLY 4 TIMES. PILOTS DECIDED TO DEVIATE TO KGAO FOLLOWING THE EMERGENCY PROCEDURE.
- [SDR QR9R2025100200001](https://openairdocs.org/sdr/QR9R2025100200001.md): Gearbox · making metal · Oct 2, 2025 · Bolkms BK117C2
  > ABORTED TAKEOFF FOR T/R CHIP. CAUTION REMAINED ON AFTER ACTIVATING FUZZ BURN FOR ONE SECOND. CHIP FOUND DURING IGB CHIP DETECTOR INSP THAT REQUIRES REPLACEMENT OF GEARBOX IAW 65-32-00, 6-23 TABLE 1 ITEM D. REMOVED AND REPLACED GEARBOX IAW AMM 65-32-00, 4-1; MO
- [SDR GVNA202505280002](https://openairdocs.org/sdr/GVNA202505280002.md): Gearbox · no discrepancy · May 22, 2025 · N457JD · Bolkms BK117C2
  > SHORTLY AFTER TAKE-OFF, THE T/R CHIP CAUTION LIGHT ILLUMINATED IN CRUISE FLIGHT. THE PILOT PERFORMED ONE FUZZ BURNER ACTIVATION, BUT THE LIGHT CAME BACK ON. HE RETURNED TO BASE AND LANDED UNEVENTFULLY. MECHANIC CHECKED INT AND T/R GEARBOX CHIP PLUGS AND FOU
- [SDR 2025F00133](https://openairdocs.org/sdr/2025F00133.md): Gearbox · no discrepancy · May 22, 2025 · N457JD · Bolkms BK117C2
  > SHORTLY AFTER TAKE-OFF, THE T/R CHIP CAUTION LIGHT ILLUMINATED IN FLIGHT. PILOT PERFORMED ONE FUZZ BURNER ACTIVATION, BUT THE LIGHT CAME BACK ON. THE PILOT RETURNED TO BASE AND LANDED UNEVENTFULLY. MECHANIC CHECKED T/R AND INTERMEDIATE GEARBOXES FOR DEBRIS
- [SDR 6BMA202505150001](https://openairdocs.org/sdr/6BMA202505150001.md): Gearbox · warning light · May 13, 2025 · N145NE · Bolkms BK117D3
  > TAIL GEARBOX CHIP LIGHT ILLUMINATED ON GROUND DURING TRAINING.
- [SDR QMLA2025032720042](https://openairdocs.org/sdr/QMLA2025032720042.md): Chip Detector · contaminated · Mar 25, 2025 · N901NM · Bell 407
  > T/R CHIP CAUTION LIGHT ILLUMINATED MOMENTARILY DURING FLIGHT. (10 SECONDS OR LESS) CLEANED CHIP DETECTOR. THIS AIRCRAFT HAS BEEN RETURNED TO REVENUE SERVICE, REF # MEC-007504.
- [SDR M3XA20240731010](https://openairdocs.org/sdr/M3XA20240731010.md): Gearbox · making metal · Jul 30, 2024 · N301MF · Urocop EC135P2
  > PILOT REPORTED A TAIL ROTOR GEARBOX CHIP LIGHT IN FLIGHT AND PERFORMED A PRECAUTIONARY LANDING AT IOWA CITY, IA AIRPORT. MECHANIC INSPECTED TAIL ROTOR CHIP DETECTOR AND FOUND A CAT D CHIP. PERFORMED MAINTENANCE IAW AMM 64-40-00, 6-1. PERFORMED MOC WITH NO F
- [SDR 2024FA0000270](https://openairdocs.org/sdr/2024FA0000270.md): Nut · loose · Mar 28, 2024
  > PRE-INSTALLATION INSPECTION BY A CANADIAN CUSTOMER FOLLOWING OVERHAUL BY AIRBUS HELICOPTERS CANADA IDENTIFIED THE INPUT FLANGE WAS LOOSE. THE TAIL GEARBOX WAS RETURNED TO AIRBUS HELICOPTERS CANADA FOR INVESTIGATION WHICH IDENTIFIED THE NUT DRAG TORQUE WAS NOT
- [SDR QMLA2023101920093](https://openairdocs.org/sdr/QMLA2023101920093.md): Chip Detector · unknown · Oct 16, 2023 · N11UQ · Urocop EC130T2
  > WHILE ENROUTE FROM HCNMC TO HLBB WHILE @ 5500MSL, 2000'AGL, 110KIAS; EXPERIENCED A FLICKERING TRGB CHIP CAUTION LIGHT. THIS OCCURRED 3 TIMES; PILOT MOVED COLLECTIVE THE LAST TIME AND THE LIGHT FLASHED AS HE MOVED THE COLLECTIVE. PILOT CONFIRMED THE LIGHT HAD F
- [SDR QMLA2023102120097](https://openairdocs.org/sdr/QMLA2023102120097.md): Gearbox · unknown · Oct 14, 2023 · N222SH · Urocop EC130T2
  > TAIL ROTOR CHIP LIGHT CAME ON AT TAKEOFF. REMOVED AND INSPECTED TAIL ROTOR CHIP DETECTOR. ONE PIECE OF FUSS WAS NOTED. BUT WAS UNABLE TO COLLECT. DRAINED AND FLUSHED TAIL ROTOR GEARBOX. PERFORMED 30 MINUTE GROUND RUN. NO DEFECTS NOTED. ALL WORK DONE IN ACCOR
- [SDR QMLA2023081920065](https://openairdocs.org/sdr/QMLA2023081920065.md): Gearbox · unknown · Aug 19, 2023 · N372AM · Bell 407
  > MAINTENANCE PERFORMED 60 MONTH INSPECTION ON THE TAIL ROTOR ASSEMBY AND REPLACED THE TAIL ROTOR GEARBOX FROM AN OVERHAULED ONE SENT FROM FAA REPAIR STATION J80R365Y EASA.145.5160 ARIZONA. ON 19 AUGUST APPROXIMATELY 0620 CREW EXPERIENCED AN INTERMITTENT T/R CHI
- [SDR YV3R2023063000573](https://openairdocs.org/sdr/YV3R2023063000573.md): Gearbox · defective · May 15, 2023 · Robsin R22BETAII
  > CUSTOMER REPORTED GEARBOX P/N: B021-1 HAD VIBRATION, OUTPUT SHAFT HARD TO TURN, AND LEAKING.
- [SDR 2022FA0000660](https://openairdocs.org/sdr/2022FA0000660.md): Gearbox · making metal · Oct 28, 2022 · N140SF · Bolkms BK117C2
  > RECEIVE T\R CHIP WARNING. ON SHORT FINAL TO LANDING SO NO TIME TO BURN. FOUND A SMALL SLIVER ON THE 90 DEGREE G\B. FOLLOWED MANUFACTURES RECOMMENDED PROCEDURES. NO FURTHER ISSUES
- [SDR YV3R2022052600530](https://openairdocs.org/sdr/YV3R2022052600530.md): None · defective · May 17, 2022 · Robsin R44RAVENII
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX ASSEMBLY P/N: C021-1 LEAKED FROM THE INPUT CARTRIDGE SEAL.
- [SDR YV3R2022052600528](https://openairdocs.org/sdr/YV3R2022052600528.md): None · defective · Apr 9, 2022 · Robsin R22BETAII
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX ASSEMBLY P/N: B021-1 EXPERIENCE METAL CONTAMINATION. NOTE: CORRECTED UNIQUE CONTROL #YV3R2022052600528.
- [SDR YV3R2020052600528](https://openairdocs.org/sdr/YV3R2020052600528.md): None · defective · Apr 9, 2022 · Robsin R22BETAII
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX ASSEMBLY P/N: B021-1 EXPERIENCE METAL CONTAMINATION.
- [SDR QMLA2021110220058](https://openairdocs.org/sdr/QMLA2021110220058.md): Gearbox · none · Oct 29, 2021 · N145TJ · Bolkms BK117C2
  > ON FINAL APPROACH TO JEFFERSON UNIVERSITY HOSPITAL (9PA8), ROOFTOP PAD, TR CHIP LIGHT ILLUMINATED. PIC ABORTED THE LANDING, AND OPTED TO CUNDUCT A PRECAUTIONARY LANDING AT PENN'S LANDING HELIPORT (P72), LOCATED 1.25 MILES AWAY. **SUPPLEMENTAL INFORMATION** 1
- [SDR QMLA2021110120057](https://openairdocs.org/sdr/QMLA2021110120057.md): Gearbox · none · Oct 29, 2021 · N145T · Bolkms BK117C2
  > ON FINAL APPROACH TO JEFFERSON UNIVERSITY HOSPITAL (9PA8), ROOFTOP PAD, TR CHIP LIGHT ILLUMINATED. PIC ABORTED THE LANDING, AND OPTED TO CUNDUCT A PRECAUTIONARY LANDING AT PENN'S LANDING HELIPORT (P72), LOCATED 1.25 MILES AWAY.
- [SDR YV3R2021090700493](https://openairdocs.org/sdr/YV3R2021090700493.md): Gearbox · leaking · Aug 19, 2021 · Robsin R22BETAII
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX P/N: B021-1 INPUT SEAL LEAKING.
- [SDR AC2A2021051713902](https://openairdocs.org/sdr/AC2A2021051713902.md): Clamp · worn · May 15, 2021 · N139FW · Agusta AB139
  > CLAMPED ADAPTER P/N 3G6320A16551, S/N DAT197 AND ADAPTER CLAMPS P/N 3G6320A16651, S/N AVI 0406 WERE REMOVED FROM MGB 3G6320A00134, S/N V44 IN PREPARATION FOR SHIPMENT OF MGB IN FOR OVERHAUL. ADAPTER AND CLAMPS DISPLAY EVIDENCE OF SIGNIFICANT WEAR OF 0.010" ON
- [SDR AC2A2021051713901](https://openairdocs.org/sdr/AC2A2021051713901.md): Adapter · worn · May 15, 2021 · N139FW · Agusta AB139
  > CLAMPED ADAPTER P/N 3G6320A16551, S/N DAT197 AND ADAPTER CLAMPS P/N 3G6320A16661, S/N AVI 0406 WERE REMOVED FROM MGB 3G6320A001434, S/N V44 IN PREPARATION FOR SHIPMENT OF MGB IN FOR OVERHAUL. ADAPTER AND CLAMPS DISPLAY EVIDENCE OF SIGNIFICANT WEAR OF 0.010" O
- [SDR QMLA2020123020070](https://openairdocs.org/sdr/QMLA2020123020070.md): Chip Detector · contaminated · Dec 29, 2020 · N409GA · Bell 407
  > DURING FLIGHT THE TAIL ROTOR CHIP DETECTOR LIGHT TURNED ON. LANDED AT WICKENBURG AZ AIRPORT, REMOVED CHIP DETECTOR AND FOUND PASTE. REMOVED PASTE FROM CHIP DETECTOR AND FOLLOWED BHT 407 MM DMC-407-A-65-00-00-00A-310A-A (UNWANTED PARTICLES) AND DMC-407-A-65-
- [SDR QR9R20201215001](https://openairdocs.org/sdr/QR9R20201215001.md): Screw · sheared · Dec 15, 2020 · Bolkms BK117C2
  > A POSTFLIGHT INSPECTION REVEALED TWO STUD SCREWS OF THE TAIL ROTOR GEARBOX HAD SHEARED.
- [SDR QR9R20201211001](https://openairdocs.org/sdr/QR9R20201211001.md): Screw · broken · Dec 11, 2020 · Bolkms BK117C2
  > A POSTFLIGHT INSPECTION REVEALED TAIL ROTOR GEARBOX SCREW HAD BROKEN.
- [SDR YV3R2020120200397](https://openairdocs.org/sdr/YV3R2020120200397.md): Gearbox · defective · Nov 12, 2020 · Robsin R44RAVENII
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX P/N: C021-1 CHIP LIGHT ILLUMINATED, AND UPON INSPECTION AN OVERSIZED CHIP WAS FOUND.
- [SDR YV3R2020112500394](https://openairdocs.org/sdr/YV3R2020112500394.md): Gearbox · making metal · Nov 11, 2020 · Robsin R22BETAII
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX P/N: B021-1 WAS MAKING METAL.
- [SDR QMLA2020092520048](https://openairdocs.org/sdr/QMLA2020092520048.md): Gearbox · making metal · Sep 24, 2020 · N530H · Snias AS350B3
  > PILOT REPORTED A TAIL ROTOR CHIP LIGHT DURING CRUISE FLIGHT. IT FLICKERED AT FIRST, AND AFTER ABOUT 30 SECONDS CAME ON SOLID. THE PILOT IMMEDIATELY DIVERTED TO THE CLOSEST AIRPORT. ONCE SAFELY ON THE GROUND, HE CONTACTED MAINTENANCE. THE MECHANIC ARRIVED A
- [SDR 2020FA0000360](https://openairdocs.org/sdr/2020FA0000360.md): Gear · sheared · Aug 5, 2020 · N405AT · Hughes 369D
  > TAIL ROTOR TRANSMISSION P/N 369D25400 SERIAL NUMBER 1539 WAS RECEIVED FOR UNIT MAKING METAL. UPON INSPECTION AND DISASSEMBLY IT WAS NOTED THAT THE 369D25434 INPUT GEAR SERIAL NUMBER 5304-1950 WAS SHEARED AT THE LOCATION OF THE ROLL PIN INSTALLATION POINT ON T
- [SDR YV3R2020060300281](https://openairdocs.org/sdr/YV3R2020060300281.md): Seal · leaking · May 27, 2020 · N4876J · Robsin R44
  > CUSTOMER REPORTED TAIL ROTOR GEARBOX PN C021-1 INPUT SEAL WAS LEAKING.
- [SDR AC2A2020041013901](https://openairdocs.org/sdr/AC2A2020041013901.md): Intermed Gearbox · worn · Apr 10, 2020 · N639GG · Agusta AW139
  > INTERMEDIATE GEARBOX (IGB) INPUT FLANGE P/N 3G6521A00232 S/N HCA3715 WAS WORN SPLINES TO LIMITS.
- [SDR AC2A2020020713901](https://openairdocs.org/sdr/AC2A2020020713901.md): Chip Detector · unbonded · Feb 7, 2020 · N639MM · Agusta AW139
  > THE INTERMEDIATE GEARBOX (IGB) CHIP DETECTOR HAS ROTATIONAL MOVEMENT AT THE PIN FOLLOWER RETAINING RING COLLAR.
- [SDR CA190726010](https://openairdocs.org/sdr/CA190726010.md): Indicator · malfunctioned · Jul 22, 2019 · Bell 206B
  > (CAN) INDICATOR FOUND TO BE ROTATED IN TAIL ROTOR GEARBOX HOUSING. SIGHT GLASS REMOVED AND INDICATOR FOUND INSTALLED UPSIDE DOWN. UPSIDE DOWN INSTALLATION OCCURRED AT OVERHAUL OF TAIL ROTOR GEARBOX. UPSIDE DOWN INSTALLATION OF INDICATOR NEGATES THE LOCKING MEC
- [SDR 7AJA2019040200001](https://openairdocs.org/sdr/7AJA2019040200001.md): Gearbox · warning light · Mar 29, 2019 · N892GT · Urocop EC130T2
  > TGB CHIP LIGHT ILLUMINATED IN LEVEL FLIGHT EN ROUTE. LIGHT FLICKERED AND THEN EXTINGUISHED AND REMAINED OFF FOR THE REST OF THE FLIGHT FOLLOWING POWER REDUCTION PER RFM. MAINTENANCE PERFORMED PROCEDURES IAW EC130T2 AMM 05-50-00, 6-1. NO CHIPS OR DEFECTS FOU
- [SDR CA190312016](https://openairdocs.org/sdr/CA190312016.md): Bearing · making metal · Mar 11, 2019 · Snias AS350BA
  > (CAN) GEARBOX GENERATING METAL FLAKE. GEARBOX REPAIRED BY ORIGINAL EQUIPMENT MANUFACTURER WITHIN 8 HOURS. GEARBOX REMOVED AND RETURNED TO ORIGINAL EQUIPMENT MANUFACTURER COMPONENT SHOP FOR FURTHER INVESTIGATION AND REPAIR.
- [SDR 8HBR20190211021](https://openairdocs.org/sdr/8HBR20190211021.md): Seal · damaged · Feb 10, 2019 · N508AD · Robsin R22BETAII
  > TAIL ROTOR GEAR BOX INPUT SEAL LEAKING OIL FROM GEAR BOX.
- [SDR QMLA2018120768130](https://openairdocs.org/sdr/QMLA2018120768130.md): Gearbox · chipped · Dec 6, 2018 · N135CH · Urocop EC135P2
  > AIRCRAFT SINGLE ENGINE TAKE OFF #1 ENGINE AT FLY # 2 ENGINE AT IDLE. TRGB HAD A CHIP WHICH REQUIRED TRGB CHANGE. SDR SUBMITTED PER COMPANY POLICY.
- [SDR QMLA2018081318094](https://openairdocs.org/sdr/QMLA2018081318094.md): Pinion Gear · worn · Aug 11, 2018 · N150AM · Bell 407
  > DURING PRE-TAKEOFF FOR A SECOND FLIGHT OF THE DAY. THE PILOT NOTICED THE TAIL ROTOR CHIP LIGHT ILLUMINATED. PILOT COMPLETED SHUTDOWN OF AIRCRAFT WITHOUT INCIDENT. ON INITIAL INSPECTION OF CHIP DETECTOR THE NORMAL FUZZ WITH SLUDGE APPEARED. AFTER FURTHER INS
- [SDR QMLA2018072418088](https://openairdocs.org/sdr/QMLA2018072418088.md): Gearbox · making metal · Jul 22, 2018 · N145SU · Bolkms BK117C2
  > TAIL ROTOR CHIP CAUTION IN HOVER PRIOR TO DEPARTURE. FOUND METAL ON CHIP DETECTOR. REPLACED IGB.
- [SDR CA180706011](https://openairdocs.org/sdr/CA180706011.md): Gearbox · loose · Jul 3, 2018 · Bell 429
  > (CAN) THE FOLLOWING WAS REPORTED TO BELL: UPON UNSCHEDULED INSPECTION OF THE TAILROTOR GEARBOX BY RECOMMENDATION OF BELL CSR, THE OPERATOR DISCOVERED PLAY BETWEEN THE TAILROTOR GEARBOX AND THE TAIL BOOM. THE AIRCRAFT HAS APPROXIMATELY 1400 FLIGHT HOURS LOGGED
- [SDR QMLA2018052118061](https://openairdocs.org/sdr/QMLA2018052118061.md): Case · damaged · May 21, 2018 · N511SL · Agusta A119
  > ON REMOVING THE TAIL ROTOR GEARBOX COWLING TO PERFORM AN INSPECTION, NOTED DAMAGE TO THE GEARBOX CASE CAUSED BY IMPROPER HARDWARE LOCATION. DAMAGE WAS NOTED TO BE 3.34MM DEEP.
- [SDR QMLA2018022718023](https://openairdocs.org/sdr/QMLA2018022718023.md): Gearbox · cracked · Feb 26, 2018 · N270SL · Bolkms BK117B2
  > THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION. THE AFT VERTICAL FIN SPAR WAS CLEANED TO PERFORM AD 1998-24-13. THE FOLLOWING DAY A VERY SMALL SPOT OF OIL WAS NOTICED ON THE SPAR BELOW THE LEFT SIDE OF THE T/R GEARBOX. THE GEARBOX WAS REMO
- [SDR 2018FA0000096](https://openairdocs.org/sdr/2018FA0000096.md): Bushing · backed out · Sep 7, 2017 · N614HH · Snias AS350B3
  > DURING PREFLIGHT INSPECTION, NOTICED THAT THE TAIL ROTOR GEARBOX CONTROL LEVER LOWER BUSHING HAD BACK OUT OF ITS HOLE A FEW THOUSANDTHS OF AN INCH. THE LEVER HAD BEEN REPLACED 86.9 HOURS PREVIOUSLY FOR THE SAME PROBLEM. THIS IS A RECURRING PROBLEM.
- [SDR 2018FA0000094](https://openairdocs.org/sdr/2018FA0000094.md): Bushing · backed out · Aug 25, 2017 · N519FF · Snias AS350B3
  > DURING A PREFLIGHT INSPECTION, NOTICED THAT THE TAIL ROTOR GEARBOX CONTROL LEVER LOWER BUSHING HAD BACKED OUT OF ITS HOLE A FEW THOUSANDTHS OF AN INCH. THIS LEVER HAD BEEN REPLACED 82.5 HOURS PREVIOUSLY FOR THE SAME PROBLEM.
- [SDR JYDR20170817227](https://openairdocs.org/sdr/JYDR20170817227.md): Gearbox · overserviced · Aug 15, 2017 · N176AC · Skrsky S64E
  > INTERMEDIATE GEAR BOX CHIP LIGHT WHILE FIGHTING FIRE. PILOTS IMMEDIATELY RETURNED TO BASE. GEAR BOX REMOVED FROM AIRCRAFT. INTERMEDIATE GEAR BOX OIL WAS DRAINED AND CAPTURED. THE IGB WAS FOUND TO HAVE ALMOST 3 US GALLONS OF OIL. THIS DOES NOT TAKE INTO ACCOU
- [SDR 2018FA0000095](https://openairdocs.org/sdr/2018FA0000095.md): Bushing · backed out · Aug 10, 2017 · N614HH · Snias AS350B3
  > DURING A PREFLIGHT INSPECTION, NOTICED THAT THE TAIL ROTOR GEARBOX CONTROL LEVER LOWER BUSHING HAD BACKED OUT OF ITS HOLE A FEW THOUSANDTHS OF AN INCH.
- [SDR 2018FA0000092](https://openairdocs.org/sdr/2018FA0000092.md): Bushing · backed out · Jul 11, 2017 · N519FF · Snias AS350B3
  > DURING DAILY PREFLIGHT INSPECTION, NOTICED THAT THE TAIL ROTOR GEARBOX CONTROL LEVER LOWER BUSHING HAD BACKED OUT OF ITS HOLE A FEW THOUSANDTHS OF AN INCH. THIS IS A RECURRING PROBLEM.
- [SDR QMLA2017070317063](https://openairdocs.org/sdr/QMLA2017070317063.md): Warning Light · false activation · Jul 3, 2017 · N578AM · Bolkms BK117C2
  > UPON ARRIVING AT A SCENE JUST AS WE BEGAN THE OVERHEAD RECON THE TAIL ROTOR CHIP LIGHT ILLUMINATED. EXECUTED THE EP IAW THE AIRCRAFT EMERGENCY PROCEDURE, THE LIGHT CAME ON AGAIN AFTER THE SECOND ATTEMPT TO BURN OFF. THE FLIGHT WAS ABORTED, AIRCOM AND GROUND

Next page: https://openairdocs.org/jasc/6520/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 = '6520'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/6520/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.