# Service difficulty reports: N967N, cancelled Jul 29, 2010 A list on [N967N, cancelled Jul 29, 2010](https://openairdocs.org/deregistered/N967N-2010-07-29.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 2 · 65 reports - [SDR DALA1015619917](https://openairdocs.org/sdr/DALA1015619917.md): Battery Pack · discharged · Jul 6, 2010 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK MAINTENANCE FOUND EMERGENCY CEILING LIGHTS AT ROW 11 INOP. MAINTENANCE REPLACED BATTERY PACK B5-33 PER AMM 33-53-00. OPERATIONAL CHECK OF LIGHTS NOW CHECK GOOD. - [SDR DALA1014929917](https://openairdocs.org/sdr/DALA1014929917.md): Battery Pack · inoperative · Jun 27, 2010 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MX FOUND EMERGENCY LIGHTS AT ROW 8, 9, & 9 INOP. MX REPLACED FUSE AT FWD OVERWING EMERGENCY EXIT BATTERY PACK IAW AMM 33-53-00. ALSO INSPECTED WIRING AT SEATS AND NO DEFECTS FOUND. OPS CHECK OF LIGHTS, NOW CHECK GOOD. - [SDR DALA1013579917](https://openairdocs.org/sdr/DALA1013579917.md): Fuse · inoperative · Jun 20, 2010 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK MX FOUND EMERGENCY LIGHTS AT ROWS 8-10 AND LT OVER WING EXIT SIGN INOP. MX REPLACED FUSE AT LT FORWARD EXIT SIGN LIGHT. OPS CHECK OF LIGHTS NOW CHECK GOOD. - [SDR DALA1012329917](https://openairdocs.org/sdr/DALA1012329917.md): Fuse · inoperative · Jun 5, 2010 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK MAINTENANCE FOUND EMERGENCY FLOOR LIGHTS IN ROW 8,9 AND 10 AND OVERWING HATCH EXIT LIGHT INOP. MAINTENANCE REPLACED FUSE IN LEFT FORWARD HATCH EXIT SIGN. OPS CHECK OF LIGHTS NOW CHECKS GOOD. - [SDR DALA104069917](https://openairdocs.org/sdr/DALA104069917.md): Door · damaged · Feb 22, 2010 · N967N · Doug DC932 · Cargo/Baggage Doors > DURING LINE CHECK FOUND DAMAGE TO FWD CARGO DOOR. REPAIRED IAW SRM 51-02. - [SDR DALA102439917](https://openairdocs.org/sdr/DALA102439917.md): Battery Pack · inoperative · Jan 29, 2010 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MX FOUND THAT THE LT FWD OVERWING INTERIOR EMERGENCY EXIT SIGN AND THE EMERGENCY PATHWAY LIGHTING IN 4 ROWS WERE INOPERATIVE. MX REPLACED THE BATTERIES AND THE FUSE IN THE POWER SUPPLY. OPS CHECK WAS GOOD. - [SDR NWAA094339917](https://openairdocs.org/sdr/NWAA094339917.md): Fuse · blown · Dec 15, 2009 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 8-10 AND THE LEFT OVERWING EMERGENCY EXIT SIGN AT ROW 11 WERE ALL INOPERATIVE. MAINTENANCE REPLACED THE FUSE IN THE EXIT SIGN AT ROW 11. OPERATIONAL CHECK WAS GOOD. - [SDR NWAA094059917](https://openairdocs.org/sdr/NWAA094059917.md): Fuse · blown · Nov 28, 2009 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 8-10 AND THE FORWARD OVERWING INTERIOR EMERGENCY EXIT SIGN WERE INOPERATIVE. MAINTENANCE REPLACED THE FUSE IN THE POWER SUPPLY. OPERATIONAL CHECK WAS GOOD. - [SDR NWAA093149917](https://openairdocs.org/sdr/NWAA093149917.md): Battery Pack · discharged · Sep 8, 2009 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPLACED THE AFT ACCESSORY COMPARTMENT BATTERY PACK AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. - [SDR NWAA083169917](https://openairdocs.org/sdr/NWAA083169917.md): Battery Pack · inoperative · Jul 19, 2008 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. (A) - [SDR NWAA082119917](https://openairdocs.org/sdr/NWAA082119917.md): Power Supply · inoperative · May 13, 2008 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY EXIT SIGN LIGHT FOR THE AFT EXIT DOOR WAS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT POWER SUPPLY AND OPERATIONALLY CHECKED THE SYSTEM. - [SDR NWAA080839917](https://openairdocs.org/sdr/NWAA080839917.md): Power Supply · inoperative · Mar 6, 2008 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY EXIT SIGN LIGHT FOR THE RIGHT OVERWING HATCH WAS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY EXIT SIGN POWER SUPPLY AND OPERATIONALLY CHECKED THE SYSTEM. THE AIRCRAFT HAS RETURNED TO SERVICE. - [SDR NWAA072819917](https://openairdocs.org/sdr/NWAA072819917.md): Attach Angle · cracked · Aug 7, 2007 · N967N · Doug DC932 · Wing, Landing Gear Attach Fittings > DURING "H" CHECK, FOUND CRACK IN LT TRAPEZOIDAL PANEL ATTACH ANGLE AT L20L. ANGLE HAS 11 HOLES FROM PREVIOUS TRAPEZOIDAL PANEL REPAIR. CRACK WAS DISCOVERED BEYOND THE 11TH HOLE. REPAIRED PER EA 99-210170. - [SDR 0600169917](https://openairdocs.org/sdr/0600169917.md): Clamp · broken · Jan 16, 2006 · N967N · Doug DC932 · Cabin Pressure Control System > THE RED (CABIN PRESS) WARNING LIGHT ILLUMINATED AND THE CABIN DIFFERENTIAL INDICATED OVER 1000. THE AMBER (CABIN PRESS AUTO FAIL) LIGHT DID NOT ILLUMINATE AND THE MASKS DID NOT DEPLOY. CREW PERFORMED A RAPID DESCENT TO 9000 FEET. BOTH PACKS WERE OPERATING NORM - [SDR 060016917](https://openairdocs.org/sdr/060016917.md): Clamp · broken · Jan 16, 2006 · N967N · Doug DC932 · Cabin Cooling System > THE RED (CABIN PRESS) WARNING LIGHT ILLUMINATED AND THE CABIN DIFFERENTIAL INDICATED OVER 1000. THE AMBER (CABIN PRESS AUTO FAIL) LIGHT DID NOT ILLUMINATE AND THE MASKS DID NOT DEPLOY. CREW PERFORMED A RAPID DESCENT TO 9000 FEET. BOTH PACKS WERE OPERATING NORM - [SDR 0104599917](https://openairdocs.org/sdr/0104599917.md): Duct · loose · Dec 1, 2001 · N967N · Doug DC932 · Cabin Cooling System > IN CRUISE FLIGHT, THE AUTO TEMPERATURE WAS NOT WORKING. CREW WENT TO MANUAL TO COOL THE CABIN AND THE CABIN ALTITUDE CLIMBED TO 10,000 FT. AN EMERGENCY WAS DECLARED, DESCENDED TO 25,000 FT, AND MADE AN UNEVENTFUL LANDING AT CLT. MSP MAINTENANCE FOUND A DUCT - [SDR 0104949917](https://openairdocs.org/sdr/0104949917.md): Angle · corroded · Jul 19, 2001 · N967N · Doug DC932 · Fuselage Main, Structure > During Hck in ATL, corrosion was found on the horizontal flange of the fuselage cusp angle at station 120. Repair Material.071 7075-t6 Aluminum and.020" 7075-t6 Aluminum. Repaired per EA 99-181362. - [SDR 0104519917](https://openairdocs.org/sdr/0104519917.md): Angle · corroded · Jul 19, 2001 · N967N · Doug DC932 · Fuselage Main, Structure > During Hck in ATL, Corrosion was found on the horizontal flange of the fuselage cusp angle at sta 120. Due to depth of corrosion, it was elected to trim the flange to remove the damaged area. Material.071 7075-t6 AL,.020 7075-t6 Al. Repaired per EA 99-181362 - [SDR 0103099917](https://openairdocs.org/sdr/0103099917.md): Angle · corroded · Jul 19, 2001 · N967N · Doug DC932 · Fuselage Miscellaneous Structure > DURING AN H CHECK IN ATLANTA, CORROSION WAS FOUND ON THE HORIZONTAL FLANGE OF THE FUSELAGE CUSP ANGLE AT STATION 120 (RT). DUE TO DEPTH OF CORROSION, IT WAS ELECTED TO TRIM THE FLANGE TO REMOVE THE DAMAGED AREA AND REPAIR ACCOMPLISHED PER EA 99-181362 LOG PAG - [SDR 9904769917](https://openairdocs.org/sdr/9904769917.md): Battery Pack · discharged · Nov 2, 1999 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT TAIL COMPARTMENT CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9808489917](https://openairdocs.org/sdr/9808489917.md): Power Supply · failed · May 5, 1998 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND RIGHT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9806489917](https://openairdocs.org/sdr/9806489917.md): Power Supply · inoperative · Apr 12, 1998 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND CATWALK EMERGENCY EXIT LIGHTING INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9804059917](https://openairdocs.org/sdr/9804059917.md): Wire · broken · Mar 8, 1998 · N967N · Doug DC932 · Light System Wiring > DURING LINE MAINTENANCE INSPECTION, FOUND TAIL CONE EMERGENCY LIGHTS INOPERATIVE. FOUND POWER SUPPLY DISARM WIRE BROKEN IN TAIL CONE AREA. REPAIRED WIRE AND REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9801499917](https://openairdocs.org/sdr/9801499917.md): Batteries · discharged · Jan 24, 1998 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS BETWEEN ROWS 5 THRU 9 INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9721319917](https://openairdocs.org/sdr/9721319917.md): Wire · broken · Nov 12, 1997 · N967N · Doug DC932 · Light System Wiring > DURING LINE CHECK, FOUND EMERGENCY LIGHT AT ROW 13 INOPERATIVE. MAINTENANCE REPAIRED WIRE UNDER SEAT AT ROW 13, OPERATIONAL CHECK OK. - [SDR 9719189917](https://openairdocs.org/sdr/9719189917.md): Out Flow Valve · malfunctioned · Oct 11, 1997 · N967N · Doug DC932 · Cabin Pressure Control System > LOSS OF CABIN PRESSURIZATION OCCURRED AT 35,000 FEET EN ROUTE. CREW PERFORMED RAPID DESCENT TO 10,000 FEET AND FLIGHT WAS DIVERTED TO BIL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CABIN PRESSURE AMPLIFIER AND OUTFLOW VALVE ACTUATOR, OPERATIONA - [SDR 9717849917](https://openairdocs.org/sdr/9717849917.md): Battery · discharged · Sep 19, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECITON, FOUND COCKPIT, GALLEY AND FORWARD ENTRY OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES AND POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9715539917](https://openairdocs.org/sdr/9715539917.md): Wire · broken · Aug 13, 1997 · N967N · Doug DC932 · Light System Wiring > DURING LINE MAINTENANCE INSPECTION, FOUND MID SECTION OF CABIN FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REPAIRED GROUND WIRE, OPERATIONAL CHECK NORMAL. - [SDR 9715179917](https://openairdocs.org/sdr/9715179917.md): Batteries · discharged · Aug 5, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS BETWEEN ROWS 14 THRU 17 INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9714049917](https://openairdocs.org/sdr/9714049917.md): Batteries · discharged · Jul 20, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND RIGHT AFT EMERGENCY EXIT AND 12 THROUGH 16 DISCO LIGHTS DIM QUICKLY. REPLACED BATTERIES AND OPERATION CHECKS GOOD. - [SDR 9714069917](https://openairdocs.org/sdr/9714069917.md): Battery · discharged · Jul 18, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND EMERGENCY LIGHT EXIT SIGN BELOW RIGHT AFT OVERWING EXIT INOPERATIVE. REPLACED BATTERIES IN BATTERY PACK AND OPERATION CHECKS GOOD. - [SDR 9713859917](https://openairdocs.org/sdr/9713859917.md): Battery Pack · discharged · Jul 16, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY EXIT SIGN LIGHT AT ROW 12DEF INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9713729917](https://openairdocs.org/sdr/9713729917.md): Fuse · blown · Jul 11, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND MID CABIN AND RIGHT AFT OVERWING LOWER EMERGENCY LIGHTING INOPERATIVE. REPLACED BLOWN FUSE AND RESEATED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9713509917](https://openairdocs.org/sdr/9713509917.md): Fuse · failed · Jul 7, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND RIGHT AFT OVERWING EMERGENCY EXIT SIGN LIGHT INOPERATIVE. REPLACED BLOWN FUSE. OPERATIONAL CHECK NORMAL. - [SDR 9713229917](https://openairdocs.org/sdr/9713229917.md): Fuse · blown · Jul 5, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS BETWEEN ROWS 14 AND 17 INOPERATIVE. REPLACED BLOWN FUSE, OPERATIONAL CHECK NORMAL. - [SDR 9712109917](https://openairdocs.org/sdr/9712109917.md): P/D Valve · malfunctioned · Jun 19, 1997 · N967N · Doug DC932 · Fuel Controlling System > AS THROTTLES WERE ADVANCED FOR TAKEOFF, THE LEFT ENGINE WAS UNRESPONSIVE AND REMAINED AT IDLE RPM. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED P AND D VALVE, INSPECTED POWER LEVER RIGGING AND OPERATIONAL CHECK OK. - [SDR 9705099917](https://openairdocs.org/sdr/9705099917.md): Batteries · discharged · Mar 10, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN OVERHEAD EMERGENCY LIGHTS DIM. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9705089917](https://openairdocs.org/sdr/9705089917.md): Battery Pack · discharged · Mar 10, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND INTERIOR OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9703289917](https://openairdocs.org/sdr/9703289917.md): Batteries · discharged · Feb 14, 1997 · N967N · Doug DC932 · Emergency Lighting > DURING PERIODIC CHECK, FOUND OVERWING EMERGENCY LIGHTS AT ROWS 2 AND 3 DIM. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9703579917](https://openairdocs.org/sdr/9703579917.md): Pressure Panel · cracked · Feb 12, 1997 · N967N · Doug DC932 · Fuselage Miscellaneous Structure > DURING L-CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEELWELL HORIZONTAL PRESSURE PANEL ON LEFT SIDE AT FS 83. REPAIRED PER EA 99-112082. - [SDR 9703449917](https://openairdocs.org/sdr/9703449917.md): Pressure Panel · cracked · Feb 12, 1997 · N967N · Doug DC932 · Fuselage Miscellaneous Structure > DURING L-CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEELWELL HORIZONTAL PRESSURE PANEL ON RIGHT SIDE AT FS 83. REPAIRED PER EA 99-112089. - [SDR 9703189917](https://openairdocs.org/sdr/9703189917.md): Clips · out of adjust · Feb 11, 1997 · N967N · Doug DC932 · Aerodynamic Fairings > DURING L-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO PULL RELEASE HANDLE FROM CLIPS. ADJUSTED CLIP PRESSURE. - [SDR 9702959917](https://openairdocs.org/sdr/9702959917.md): Slide Battery · discharged · Feb 11, 1997 · N967N · Doug DC932 · Escape Slide > DURING PERIODIC CHECK, GALLEY SERVICE DOOR EVACUATION SLIDE FAILED BATTERY TEST. REPLACED SLIDE. - [SDR 9702939917](https://openairdocs.org/sdr/9702939917.md): Slide Battery · discharged · Feb 11, 1997 · N967N · Doug DC932 · Escape Slide > DURING PERIODIC CHECK, MAIN CABIN DOOR EVACUATION SLIDE FAILED BATTERY TEST. REPLACED SLIDE. - [SDR 9703079917](https://openairdocs.org/sdr/9703079917.md): Fitting · cracked · Feb 10, 1997 · N967N · Doug DC932 · Cargo/Baggage Doors > DURING L-CHECK, FOUND CRACK IN NR 5 BEAM END FITTING IN FORWARD CARGO DOOR. REPLACED FITTING PER SRM 51-30-5. - [SDR 9702559917](https://openairdocs.org/sdr/9702559917.md): Fitting · cracked · Feb 7, 1997 · N967N · Doug DC932 · Fuselage Miscellaneous Structure > DURING L-CHECK, FOUND CRACK IN LEFT OUTBOARD SEAT TRACK SUPPORT FITTING (P/N 3916209-501) FS 680. REPLACED FITTING PER SRM. - [SDR 9702569917](https://openairdocs.org/sdr/9702569917.md): Fitting · cracked · Feb 6, 1997 · N967N · Doug DC932 · Fuselage Miscellaneous Structure > DURING L-CHECK, FOUND CRACK IN RIGHT OUTBOARD SEAT TRACK SUPPORT FITTING AT FS 680. REPLACED FITTING (P/N 3916209-502N) PER SRM. - [SDR 9700519917](https://openairdocs.org/sdr/9700519917.md): Retract Mech · lack of lube · Jan 11, 1997 · N967N · Doug DC932 · Landing Gear Retraction/Extension System > LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF AND CABIN DID NOT PRESSURIZE. GROUND SHIFT FAILED TO SHIFT TO FLIGHT MODE. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE CYCLED GEAR SEVERAL TIMES ON GROUND. DISCREPANCY COULD NOT BE DUPLICATED - [SDR 9625559917](https://openairdocs.org/sdr/9625559917.md): Fuel Pump · failed · Dec 1, 1996 · N967N · Doug DC932 · Engine Fuel Pump > DURING TAKEOFF ROLL, A/C EXPERIENCED A UNDETERMINED ENGINE STALL. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE INSPECTED ENGINE INLETS, OUTLETS AND PS3 SCREENS ON BOTH ENGINES. THE NUMBER ONE ENGINE FUEL PUMP ASSEMBLY WAS REPLACED, OPS AND LEAK CH - [SDR 9623159917](https://openairdocs.org/sdr/9623159917.md): Uplock Switch · malfunctioned · Oct 30, 1996 · N967N · Doug DC932 · Landing Gear Position and Warning > DURING CLIMBOUT FROM ORD, THE LEFT MAIN GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. COCKPIT OPERATING MANUAL PROCEDURES WERE FOLLOWED AND LIGHT STAYED ON. FLIGHT WAS CONTINUED TO DESTINATION (MSP) AT REDUCED SPEED AND LANDED WITHOUT INCIDENT. MA Next page: https://openairdocs.org/deregistered/N967N-2010-07-29/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 n_number = 'N967N' AND deregistration_id = 'N967N-2010-07-29' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N967N-2010-07-29/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.