# Service difficulty reports: N945N, cancelled Aug 17, 2010 A list on [N945N, cancelled Aug 17, 2010](https://openairdocs.org/deregistered/N945N-2010-08-17.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 · 52 reports - [SDR DALA1015699922](https://openairdocs.org/sdr/DALA1015699922.md): Frame · damaged · Jul 2, 2010 · N945N · Doug DC932 · Fuselage Main, Frame > DURING GROUND OPERATIONS FORWARD NOSE LANDING GEAR FRAME DAMAGED AT BS 39 RBL 0 TO LBL 10.5. REPAIRED PER ERA 483286-14. - [SDR DALA1012339922](https://openairdocs.org/sdr/DALA1012339922.md): Battery Pack · inoperative · Jun 4, 2010 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK MX FOUND CEILING EMERGENCY SIGNS AT ROW 12 AND 14 INOP. MX REPLACED BATTERY PACKS FOR POWER SUPPLY UNITS AT B5-33 AND B5-25. OPS CHECK OF LIGHTS NOW CHECK GOOD. - [SDR NWAA092909922](https://openairdocs.org/sdr/NWAA092909922.md): Power Supply · discharged · Aug 12, 2009 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE LEFT SIDE EXTERIOR EMERGENCY FLOOD LIGHT WAS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT POWER SUPPLY AND OPERATIONALLY CHECKED THE SYSTEM. - [SDR NWAA092479922](https://openairdocs.org/sdr/NWAA092479922.md): Battery · misinstalled · Jul 9, 2009 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN THE GALLEY AND THE EXIT DOOR LIGHT WILL NOT ILLUMINATE. MAINTENANCE INSTALLED THE BATTERIES INTO THE POWER SUPPLY AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. - [SDR NWAA082816743](https://openairdocs.org/sdr/NWAA082816743.md): Hose · disconnected · Jun 18, 2008 · N945N · Doug DC932 · Air Distribution System > FLT WAS PASSING THROUGH FL 280 WHEN THE RED "CABIN PRESS" LIGHT AND YELLOW "MASTER CAUTION" LIGHT BOTH ILLUMINATED. CREW SAW CABIN PRESSURIZATION WAS AT 10,500 FT AND CLIMBING. COM PROCEDURES WERE APPLIED BUT CABIN PRESSURE WAS NOT CONTROLLABLE. COCKPIT CREW - [SDR 0601819922](https://openairdocs.org/sdr/0601819922.md): Unknown · malfunctioned · Aug 10, 2006 · N945N · Doug DC932 · Cabin Pressure Control System > AS THE AIRCRAFT WAS DESCENDING FROM FL250, CREW NOTICED RED -CABIN PRESS- LIGHT ILLUMINATED. CABIN VERTICAL AIRSPEED WAS CLIMBING IN EXCESS OF 1500 FPM BUT AN IMMEDIATE DESCENT TO 10,000 FT, SMOOTHLY PERFORMED BY F/O; ENABLED CREW TO KEEP CABIN AT NO HIGHER T - [SDR 0201169922](https://openairdocs.org/sdr/0201169922.md): Acm · damaged · Apr 15, 2002 · N945N · Doug DC932 · Cabin Cooling System > CREW WAS UNABLE TO COOL THE CABIN DOWN WITH AIR CONDITIONING PRIOR TO DEPARTURE. THEN, DURING CLIMBOUT, CABIN DISPLAYED NONSTANDARD CLIMB PROFILE. VERY SLOW CLIMB TO ABOUT 17,000 FEET AND AS MAX DIFFERENTIAL WAS OBTAINED CABIN CONTINUED TO CLIMB AT 1000 FPM. - [SDR 0104979922](https://openairdocs.org/sdr/0104979922.md): Pan · cracked · Jul 27, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > During M-ck in ATL, a crack was found at station 937 between longerons 26R and 27R. The crack was between marked holes "c" and "d" on the doorjamb pan. EA 99-181313 - [SDR 0104549922](https://openairdocs.org/sdr/0104549922.md): Spar · corroded · Jul 27, 2001 · N945N · Doug DC932 · Nacelle/Pylon, Main Frame > During an Mck in ATL, Corrosion was found in the left and right upper beaver tails. The Beaver tails were removed to accomplish corrosion removal. After the beaver tail removal it was noted that 11 fasteners common to the pylon spar were elongated. Repaired pe - [SDR 0104529922](https://openairdocs.org/sdr/0104529922.md): Pan · cracked · Jul 27, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > During Mck in ATL, A crack was found between 2 fasteners in the aft cargo doorjamb pan at sta 937, between longerons 26r and 27r. Material.050" 2024-t42 AL, and.090"2024-t42 AL. Repaired per EA 99-181313. - [SDR 0103199922](https://openairdocs.org/sdr/0103199922.md): Skin · damaged · Jul 27, 2001 · N945N · Doug DC932 · Nacelle/Pylon, Plate/Skin > DURING AN M-CHECK IN ATL, CORROSION WAS FOUND IN THE LEFT AND RIGHT UPPER BEAVER TAILS, P/N 5923937-501/502. THE BEAVER TAILS WERE REMOVED TO ACCOMPLISH CORROSION REMOVAL. AFTER THE BEAVER TAIL REMOVAL, IT WAS NOTED THAT 11 FASTENER HOLES COMMON TO THE PYLON - [SDR 0104989922](https://openairdocs.org/sdr/0104989922.md): Skin · cracked · Jul 24, 2001 · N945N · Doug DC932 · Fuselage Main, Plate/Skin > During MCK in ATL, a 1/4" long crack was found in the fuselage skin at staion 1019, between longerons 14L and 15L. The crack emanated from one fastener hole common to the upper attach angle and was removed using 1" diameter cut out. This EA provides instructio - [SDR 0104539922](https://openairdocs.org/sdr/0104539922.md): Skin · cracked · Jul 24, 2001 · N945N · Doug DC932 · Fuselage Main, Plate/Skin > During Mck in ATL a.25" crack was found in the fuselage skin at sta 1019, between longerons 14L and 15L. The crack emanated from one fastener hole common to the pylon upper attach angle and was removed using a 1" diameter cut out. Material.032 TI-6AI-4v. Rep - [SDR 0104999922](https://openairdocs.org/sdr/0104999922.md): Door Frame · cracked · Jul 19, 2001 · N945N · Doug DC932 · Fuselage Main, Plate/Skin > During an MCK in ATL, a.8" crack was found while accomplishing inspection of the lower aft corner of the forward cargo door doorjamb. This EA. 99-181281 provides repair of area. Material.050" 2014-t6 and.090" 2014-t6. - [SDR 0104569922](https://openairdocs.org/sdr/0104569922.md): Door Frame · cracked · Jul 19, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > DURING M-CK IN ATL, A.8 INCH CRACK WAS FOUND IN THE LOWER AFT CORNER OF THE FORWARD CARGO DOOR JAMB. REPAIRED PER EA 99-181281. - [SDR 0104479922](https://openairdocs.org/sdr/0104479922.md): Door Frame · cracked · Jul 19, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > DURING M-CK IN ATL, A.8 INCH CRACK WAS FOUND IN THE LOWER AFT CORNER OF THE FORWARD CARGO DOOR JAMB. REPAIRED PER EA 99-181281. - [SDR 0103139922](https://openairdocs.org/sdr/0103139922.md): Spar · damaged · Jul 18, 2001 · N945N · Doug DC932 · Elevator, Spar/Rib > DURING AN M-CHECK SHOP VISIT AT ATL MAINTENANCE BASE WHILE REMOVING THE FRONT SPAR FOR REPLACEMENT, SEVERAL FASTENER HOLES ON THE UPPER AND LOWER SKIN ASSEMBLY WERE FOUND TO BE DAMAGED (TOOLING DAMAGE). REPAIR TO DAMAGED SKIN ASSEMBLY WAS ACCOMPLISHED PER SEC - [SDR 0103129922](https://openairdocs.org/sdr/0103129922.md): Door Frame · damaged · Jul 16, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > DURING M-CHECK AT ATL AND WHILE ACCOMPLISHING A DOORJAMB PAN SPLICE REPAIR PER SRM 53-05, FIG 44, EIGHT.1875 INCH DIA HOLES WERE FOUND WITH SHORT ON-CENTER DISTANCE IN THE VERTICAL FLANGE OF FRAME STA 896 P/N 9958214-29 AS SHOWN IN FIGURE 1. THE FASTENER HOL - [SDR 0104969922](https://openairdocs.org/sdr/0104969922.md): Spar · corroded · Jul 12, 2001 · N945N · Doug DC932 · Wing Miscellaneous Structure > During Mck in ATL, corrosion was found in the left and right beaver tails. The beaver tails were removed to accomplish corrosion removal. After the beaver tail removal, it was noted that 11 fastener holes common to the pylon front spar were elongated on each s - [SDR 0103119922](https://openairdocs.org/sdr/0103119922.md): Frame · damaged · Jul 12, 2001 · N945N · Doug DC932 · Fuselage Main, Frame > DURING AN M1-CHECK IN ATL, STATION 579 FRAME REINFORCEMENT STRAPS 2800206-8 AND -9 WERE CUT FOR ACCESS AT LOCATION BETWEEN L-28 LT AND L-29 RT. ADDITIONAL DAMAGE WAS FOUND AT L-24 RT ON STRAP 2800206-8. THE EA 99-181344 (LOG PAGE 1640709) PROVIDES A SPLICE R - [SDR 0105019922](https://openairdocs.org/sdr/0105019922.md): Intercostal · cracked · Jul 9, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > During MCK in ATL, a crack was found in the outboard end of intercostal 9923484-9 at sta 180 and at X=-20. Repaired per EA 99-1813231. - [SDR 0104449922](https://openairdocs.org/sdr/0104449922.md): Intercostal · cracked · Jul 9, 2001 · N945N · Doug DC932 · Fuselage Main, Structure > During M ck in ATL, A crack was found in the outboard end of the 923484-9 intercostal at station 180 at x=-20. Material 7075-t6 AL. Repaired per EA 99-181321. - [SDR 0105009922](https://openairdocs.org/sdr/0105009922.md): Rib · cracked · Jul 6, 2001 · N945N · Doug DC932 · Nacelle/Pylon, Main Frame > During Mck in ATL, the aft portion of the lower cap of the pylon closing rib was found cracked. The crack is.6" long and extends from a fasterner hole 3.7" forward from the aft end of the cap. Repaired per EA 99-181307. - [SDR 0104409922](https://openairdocs.org/sdr/0104409922.md): Doubler · cracked · Jul 5, 2001 · N945N · Doug DC932 · Fuselage Main, Plate/Skin > During an Mck in ATL the production finger doubler along Longeron 18L was found with a cracked finger sta 850. Material.025" 2014-t6 AL. Repaired per EA 99-181280. - [SDR 0103189922](https://openairdocs.org/sdr/0103189922.md): Bulkhead · gouged · Jun 28, 2001 · N945N · Doug DC932 · Fuselage Main, Bulkhead > DURING AN M-CHECK IN ATL, A GOUGE WAS FOUND IN THE STATION 604 BULKHEAD TEE AT LONGERON 27L. THE GOUGE WAS LOCATED IN THE AFT FACE OF THE WEB FLANGE AND WAS BLENDED OUT TO A MATERIAL THICKNESS OF 0.058 INCH. - [SDR 0001429922](https://openairdocs.org/sdr/0001429922.md): Battery · discharged · Apr 18, 2000 · N945N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9900029922](https://openairdocs.org/sdr/9900029922.md): Indicator · malfunctioned · Jan 4, 1999 · N945N · Doug DC932 · Trailing Flap Position Indicating System > FLAPS WOULD NOT EXTEND BEYOND 25 DEGREES ON LANDING. FLIGHT CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED FLAP POSITION INDICATOR, OPERATIONAL CHECK NORMAL. - [SDR 9811019922](https://openairdocs.org/sdr/9811019922.md): Battery · discharged · Dec 24, 1998 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND FIRST CLASS SECTION SEAT MOUNTED EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9810289922](https://openairdocs.org/sdr/9810289922.md): Air Dist · odor · Oct 17, 1998 · N945N · Doug DC932 · Air Distribution System > DURING CLIMBOUT AT FL29O, BOTH PILOTS AND A FLIGHT ATTENDANT REPORTED AN ELECTRICAL ODOR IN THE FLIGHT DECK. FLIGHT DIVERTED TO DFW AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED ALL WIRING AND COMPONENTS, BOTH FORWARD AND MAIN ELECTRICAL COMPARTMENTS AN - [SDR 9805969922](https://openairdocs.org/sdr/9805969922.md): Batteries · discharged · Apr 6, 1998 · N945N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9721089922](https://openairdocs.org/sdr/9721089922.md): Battery Pack · discharged · Nov 10, 1997 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND OVERWING EMERGENCY EXIT LIGHTS AND SIGNS INOPERATIVE. MAINTENANCE INSTALLED NEW BATTERY PACK, OPERATIONAL CHECK OK. - [SDR 9721029922](https://openairdocs.org/sdr/9721029922.md): Lights · miswired · Nov 9, 1997 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND AFT AIRSTAIR SIDEWALL EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REROUTED WIRING PER WIRING DIAGRAM, OPERATIONAL CHECK OK. - [SDR 9715559922](https://openairdocs.org/sdr/9715559922.md): Power Supply · inoperative · Aug 14, 1997 · N945N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND VENTRAL STAIR AND TAIL CONE DOME EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9711199922](https://openairdocs.org/sdr/9711199922.md): Aug Valve · malfunctioned · Jun 8, 1997 · N945N · Doug DC932 · Pneumatic Distribution System > TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT RETURNED TO YWG AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT AUGMENTATION VALVE, OPERATIONAL CHECK NORMAL. - [SDR 9710779922](https://openairdocs.org/sdr/9710779922.md): Clamp · loose · Jun 3, 1997 · N945N · Doug DC932 · Pneumatic Distribution System > TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LARGE AIR LEAK AT RIGHT AUGMENTATION VALVE INBOARD CLAMP. TIGHTENED CLAMP, LEAK AND OPERATIONAL CHECK NORMAL. - [SDR 9709349922](https://openairdocs.org/sdr/9709349922.md): Power Supply · inoperative · May 11, 1997 · N945N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND RIGHT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9706259922](https://openairdocs.org/sdr/9706259922.md): Fitting · cracked · Mar 21, 1997 · N945N · Doug DC932 · Fuselage Miscellaneous Structure > DURING L-CHECK, FOUND CRACK IN LEFT OUTBOARD SEAT TRACK SUPPORT FITTING FS 680. REPLACED FITTING PER SRM 51-30-5. - [SDR 9623749922](https://openairdocs.org/sdr/9623749922.md): Press Amplifier · malfunctioned · Nov 6, 1996 · N945N · Doug DC932 · Cabin Pressure Control System > LOSS OF CABIN PRESSURIZATION OCCURRED DURING FLIGHT AT 35,000 FEET. CABIN ALTITUDE REACHED 10,000 FEET WITH MASTER WARNING/CABIN PRESSURE ANNUNCIATOR LIGHTS ILLUMINATED. CAPTAIN DECLARED AN EMERGENCY AND SUCCESSFUL DESCENT WAS MADE TO 16,000 FEET. FLIGHT CO - [SDR 9623469922](https://openairdocs.org/sdr/9623469922.md): Relay · malfunctioned · Nov 5, 1996 · N945N · Doug DC932 · Landing Gear Position and Warning > DURING DESCENT INTO EWR, THE LANDING GEAR WARNING CIRCUIT BREAKER TRIPPED. NO GREEN GEAR DOWNLOCK LIGHTS WERE ILLUMINATED AFTER GEAR WAS EXTENDED FOR LANDING. CREW VISUALLY CONFIRMED GEARS TO BE DOWN AND LOCKED THROUGH PERISCOPES. EMERGENCY EQUIPMENT WAS CA - [SDR 9618769922](https://openairdocs.org/sdr/9618769922.md): Battery Pack · discharged · Aug 29, 1996 · N945N · Doug DC932 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9615549922](https://openairdocs.org/sdr/9615549922.md): Light Ballast · failed · Jul 15, 1996 · N945N · Doug DC932 · Passenger Compartment Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EVIDENCE OF FIRE AT ROW 21DEF AT LOWER SIDEWALL LIGHT AFT BALLAST. DEFERRED LIGHT PER MEL 33-2, AWAITING PARTS FOR REPLACEMENT OF BALLAST ASSEMBLY. - [SDR 9613039922](https://openairdocs.org/sdr/9613039922.md): Uplatch Roller · out of adjust · Jun 12, 1996 · N945N · Doug DC932 · Landing Gear Position and Warning > DURING CLIMBOUT, THE LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. FOUND UPLATCH ROLLER ON LEFT GEAR NOT ENGAGED PROPERLY IN UPLATCH HOOK. RESHIMMED UPLATCH ROLLER FOR PROP - [SDR 9613029922](https://openairdocs.org/sdr/9613029922.md): Unsafe Light · illuminated · Jun 12, 1996 · N945N · Doug DC932 · Landing Gear Position and Warning > DURING CLIMBOUT, THE LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED WITH GEAR RETRACTED. RECYCLED GEAR WITH NO CHANGE. FLIGHT RETURNED TO SMP AND LANDED WITHOUT INCIDENT. REPLACED GEAR UPLIMIT SWITCH, GEAR DOWN LIMIT SWITCH AND GEAR DOOR SWITCH, O - [SDR 9612309922](https://openairdocs.org/sdr/9612309922.md): Power Supply · inoperative · Jun 4, 1996 · N945N · Doug DC932 · Emergency Lighting > DURING PRE-FLIGHT CHECK, FOUND FORWARD CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY. ALSO, REPAIRED WIRES THAT WERE FOUND TO BE SHORTED. OPERATIONAL CHECK NORMAL. - [SDR 9612019922](https://openairdocs.org/sdr/9612019922.md): Lights · inoperative · May 29, 1996 · N945N · Doug DC932 · Emergency Lighting > DURING PREFLIGHT CHECK, FOUND FORWARD CABIN FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. EMERGENCY LIGHTS WERE CHECKED PER MAINTENANCE MANUAL, NO PROBLEMS WERE FOUND. - [SDR 9519859922](https://openairdocs.org/sdr/9519859922.md): Fitting · cracked · Dec 6, 1995 · N945N · Doug DC932 · Wing, Control Surface Attach Fittings > DURING LINE CHECK, FOUND A CRACK IN THE LEFT INBOARD FLIGHT SPOILER SUPPORT FITTING. REPLACED FITTING. - [SDR 9518769922](https://openairdocs.org/sdr/9518769922.md): Battery Pack · discharged · Nov 19, 1995 · N945N · Doug DC932 · Emergency Lighting > DURING LINE CHECK, FOUND BOTH AFT OVERWING EMERGENCY EXIT SIGNS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK GOOD. - [SDR 9514189922](https://openairdocs.org/sdr/9514189922.md): Latches · out of adjust · Sep 8, 1995 · N945N · Doug DC932 · Aerodynamic Fairings > DURING H-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO DROP THE TAILCONE. ALSO, FOUND THAT THE TAILCONE HUNG UP ON THE LOWER LATCHES. ADJUSTED THE TAILCONE RELEASE SYSTEM AND CHECKED OK. - [SDR 9513949922](https://openairdocs.org/sdr/9513949922.md): Frame · corroded · Sep 1, 1995 · N945N · Doug DC932 · Fuselage Main, Frame > DURING H-CHECK, FOUND CORROSION ON THE FS 541 FLOOR SUPPORT FRAME BETWEEN LONGERON 29L TO 29R. REPAIRED FRAME PER EA 99-97124. - [SDR 9513939922](https://openairdocs.org/sdr/9513939922.md): Skin · canned · Sep 1, 1995 · N945N · Doug DC932 · Fuselage Main, Plate/Skin > DURING H-CHECK, FOUND OIL CANNING IN THE FUSELAGE SKIN FS 1076 TO 1087 BETWEEN LONGERONS 17L TO 18L. REPAIRED SKIN (P/N 5912870-501), PER EA 99-94921. Next page: https://openairdocs.org/deregistered/N945N-2010-08-17/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 = 'N945N' AND deregistration_id = 'N945N-2010-08-17' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N945N-2010-08-17/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.