# Service difficulty reports: N9409F A list on [N9409F](https://openairdocs.org/aircraft/N9409F.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 3 · 124 reports - [SDR AALA20160816005](https://openairdocs.org/sdr/AALA20160816005.md): Turbine · ruptured · Aug 15, 2016 · N9409F · Doug DC983 · Air Distribution Fan > DURING CLIMB THE TAIL COMPARTMENT HIGH TEMPERATURE INDICATOR ILLUMINATED. EMERGENCY DECLARED. LANDING UNEVENTFUL. THE AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND A RUPTURE IN THE LEFT COOLING TURBINE. REMOVED AND REPLACED LEFT AIR CYCLE MACHINE IAW AMM 21-51- - [SDR AALA20160731005](https://openairdocs.org/sdr/AALA20160731005.md): Bearing · failed · Jul 31, 2016 · N9409F · Doug DC983 · Engine (Turbine/Turboprop) > DURING FLIGHT THE LT ENGINE OIL STRAINER CLOGGED LIGHT ILLUMINATED. POWER REDUCED TO IDLE AND LIGHT REMAINED ILLUMINATED. ENGINE REMAINED AT IDLE THROUGH LANDING AND SHUT DOWN. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT GROUNDED. MAINTENANCE FOUND - [SDR AALA20160613007](https://openairdocs.org/sdr/AALA20160613007.md): Pump · faulty · Jun 9, 2016 · N9409F · Doug DC983 · Fuel Boost Pump > ACFT WAS GROUNDED. AIR INTERRUPT, EMERGENCY DECLARED. LANDING UNEVENTFUL. ACFT WAS GROUNDED. DURING CLIMB, CENTER FUEL LOW PRESSURE LIGHT ILLUMINATED WITH CENTER AND MAIN PUMPS ON. DE-ENGERGIZED MAIN PUMPS. LIGHT EXTINGUISHED. CENTER PUMP CIRCUIT BREAKER - [SDR AALA20160609004](https://openairdocs.org/sdr/AALA20160609004.md): Pump · faulty · Jun 9, 2016 · N9409F · Doug DC983 · Fuel Boost Pump > AIRCRAFT WAS GROUNDED. AIR INTERRUPT. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT WAS GROUNDED. DURING CLIMB, CENTER FUEL LOW PRESSURE LIGHT ILLUMINATED WITH CENTER AND MAIN PUMPS ON. DE-ENGERGIZED MAIN PUMPS. LIGHT EXTINGUISHED. CENTER PUMP CIRCUIT - [SDR AALA20160606004](https://openairdocs.org/sdr/AALA20160606004.md): Coupling · disconnected · Jun 3, 2016 · N9409F · Doug DC983 · Aircraft Fuel Distribution System > AIRCRAFT WAS GNDED. UNWANTED & UNCOMMANDED TRANSFER OF FUEL FROM RT WING TANK TO CTR TANK. FOUND RT WING INBD FUELING VLV LINE DISCONNECTED FROM FRONT SPAR. RECONNECTED CTR FUEL TANK FUEL & DEFUEL COUPLING. - [SDR AALA20160415003](https://openairdocs.org/sdr/AALA20160415003.md): Module · faulty · Apr 15, 2016 · N9409F · Doug DC983 · Emergency Lighting > EMERGENCY LIGHTS ILLUMINATE IN THE AFT AREA OF THE ACFT UNCOMMANDED. REPLACED PATH BATTERIES & MODULES IAW MM 33-53-00. OPERATIONS CHECKED NORMAL. THE ACFT WAS NOT GNDED. - [SDR AALA20151006007](https://openairdocs.org/sdr/AALA20151006007.md): Battery Pack · discharged · Oct 5, 2015 · N9409F · Doug DC983 · Emergency Lighting > EMERGENCY POWER LIGHTS FROM ROW 21 - 31 VERY DIM WHEN POWERED BY BATTERY PACK AB5-3. R & R BATTERY PACK AB5-3. LIGHTS OPERATIONALLY CHECKED NORMAL. - [SDR AALA20151006006](https://openairdocs.org/sdr/AALA20151006006.md): Battery Pack · discharged · Oct 5, 2015 · N9409F · Doug DC983 · Emergency Lighting > EMERGENCY POWER LIGHTS FROM ROW 3 - 19 VERY DIM WHEN POWERED BY BATTERY PACK AB5-1. R & R BATTERY PACK AB5-1. LIGHTS OPERATIONAL CHECKED NORMAL. - [SDR AALA20151006005](https://openairdocs.org/sdr/AALA20151006005.md): Battery Pack · discharged · Oct 5, 2015 · N9409F · Doug DC983 · Emergency Lighting > CEILING EMER LIGHTS FROM ROW 3 - 6 INOPERATIVE. R & R BATTERY PACK. CEILING EMER LIGHTS FROM ROW 3 - 6 OPERATIONALLY CHECKED NORMAL. - [SDR AALA20151006004](https://openairdocs.org/sdr/AALA20151006004.md): Battery Pack · discharged · Oct 5, 2015 · N9409F · Doug DC983 · Emergency Lighting > OVERHEAD EMER LIGHTS AT ROWS 24 & 25 ARE INOPERATIVE. R & R BATTERY PACK. CEILING EMER LIGHTS AT ROWS 24 & 25 OPERATIONALLY CHECKED NORMAL. - [SDR AALA20151005005](https://openairdocs.org/sdr/AALA20151005005.md): Volute · faulty · Sep 7, 2015 · N9409F · Doug DC983 · Aircraft Fuel Distribution System > AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB, CTR TANK FUEL BOOST PUMPS NOT FEEDING FROM CTR TANK. CTR LOW PRESS LIGHT ILLUMINATED. R & R CTR AFT BOOST PUMP IAW AMM 28-20-07, DIFFERENTIAL PRESS SWITCHES S1-266 & S1267 - [SDR AALA20151005004](https://openairdocs.org/sdr/AALA20151005004.md): Housing · cracked · Sep 7, 2015 · N9409F · Doug DC983 · Aircraft Fuel Distribution System > AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB, CTR TANK FUEL BOOST PUMPS NOT FEEDING FROM CTR TANK. CTR LOW PRESS LIGHT ILLUMINATED. R & R CTR AFT BOOST PUMP IAW AMM 28-20-07, DIFFERENTIAL PRESS SWITCHES S1-266 & S1267 - [SDR AALA20151005003](https://openairdocs.org/sdr/AALA20151005003.md): Switch · faulty · Sep 7, 2015 · N9409F · Doug DC983 · Aircraft Fuel Distribution System > AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB, CTR TANK FUEL BOOST PUMPS NOT FEEDING FROM CTR TANK. CTR LOW PRESS LIGHT ILLUMINATED. R & R CTR AFT BOOST PUMP IAW AMM 28-20-07, DIFFERENTIAL PRESS SWITCHES S1-266 & S1267 - [SDR AALA20151005002](https://openairdocs.org/sdr/AALA20151005002.md): Switch · faulty · Sep 7, 2015 · N9409F · Doug DC983 · Aircraft Fuel Distribution System > AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB, CTR TANK FUEL BOOST PUMPS NOT FEEDING FROM CTR TANK. CTR LOW PRESS LIGHT ILLUMINATED. R & R CTR AFT BOOST PUMP IAW AMM 28-20-07, DIFFERENTIAL PRESS SWITCHES S1-266 & S1267 - [SDR AALA20150907002](https://openairdocs.org/sdr/AALA20150907002.md): Pump · faulty · Sep 7, 2015 · N9409F · Doug DC983 · Fuel Boost Pump > DURING CLIMB, CTR TANK FUEL BOOST PUMPS NOT FEEDING FROM CTR TANK. CTR LOW PRESSURE LIGHT ILLUMINATED. DIVERTED, EMERGENCY DECLARED, & LANDING UNEVENTFUL. R & R CTR AFT BOOST PUMP IAW AMM 28-20-07, DIFFERENTIAL PRESS SWITCHES S1-266 & S1267 IAW AMM 28-41-0 - [SDR AALA20150322001](https://openairdocs.org/sdr/AALA20150322001.md): Wire · shorted · Mar 21, 2015 · N9409F · Doug DC983 · Air Conditioning System Wiring > BOTH PACKS FAILED AFTER TAKEOFF. UNABLE TO PRESSURIZE. EMERGENCY DECLARED. LANDING UNEVENTFUL. FOUND LT & RT DIFFERENTIAL PRESSURE SWITCH WIRES SHORTED TO GROUND. REPAIRED WIRES IAW SWPM 20-10-01. OPS CHECKED NORMAL. - [SDR AALA20150316003](https://openairdocs.org/sdr/AALA20150316003.md): Stop Fitting · cracked · Mar 16, 2015 · N9409F · Doug DC983 · Cargo/Baggage Doors > AFT SIDE OF FWD CARGO DOOR BOTTOM DOOR STOP IS CRACKED. R & R CARGO DOOR STOP IAW AARD 51-00-05-1, DWG 5910141 & CDK2345. - [SDR AALA20150317023](https://openairdocs.org/sdr/AALA20150317023.md): Stop Fitting · cracked · Mar 16, 2015 · N9409F · Doug DC983 · Cargo/Baggage Doors > FORWARD CARGO DOOR FWD SIDE OF DOOR BOTTOM STOP IS CRACKED. R & R CARGO DOOR STOP IAW AARD 51-00-05-1, DWG 5910141 & CDK2345. - [SDR AALA20150317022](https://openairdocs.org/sdr/AALA20150317022.md): Stop Fitting · cracked · Mar 16, 2015 · N9409F · Doug DC983 · Cargo/Baggage Doors > FORWARD CARGO DOOR FWD SIDE OF DOOR SECOND FROM BOTTOM STOP IS CRACKED. R & R CARGO DOOR STOP IAW AARD 51-00-05-1, DWG 5910141 & CDK2345. - [SDR AALA20150317021](https://openairdocs.org/sdr/AALA20150317021.md): Stop Fitting · cracked · Mar 16, 2015 · N9409F · Doug DC983 · Cargo/Baggage Doors > FORWARD CARGO DOOR FWD SIDE OF DOOR CTR STOP IS CRACKED. R & R CARGO DOOR STOP IAW AARD 51-00-05-1, DWG 5910141 & CDK2345. - [SDR AALA20150316001](https://openairdocs.org/sdr/AALA20150316001.md): Casting · cracked · Mar 16, 2015 · N9409F · Doug DC983 · Cargo/Baggage Doors > FORWARD SIDE OF AFT CARGO DOOR LOWER DOOR STOP CASTING CRACKED. R & R CASTING IAW AARD 51-00-05-1, DWG 5910141 & CDK2345. - [SDR AALA20150317011](https://openairdocs.org/sdr/AALA20150317011.md): Frame · cracked · Mar 13, 2015 · N9409F · Doug DC983 · Fuselage Main, Frame > AFT ACCESSORY CRACK IN FRAME AT FS 1510 AT LONGERON 3 RT. INSTALLED DOUBLER IAW SRM 53-01-00-001. - [SDR AALA20150317005](https://openairdocs.org/sdr/AALA20150317005.md): Shear Tie · cracked · Mar 13, 2015 · N9409F · Doug DC983 · Fuselage Internal Mounting Structure > AFT ACCESSORY CRACK IN SHEAR TIE ON FWD SIDE OF FRAME AT FS 1380 ABOVE LONGERON 14 RT. INSTALLED REPAIR ANGLE IAW AARD 53-10-00-20. - [SDR AALA20150204011](https://openairdocs.org/sdr/AALA20150204011.md): Former · cracked · Feb 4, 2015 · N9409F · Doug DC983 · Wing, Rib/Bulkhead > RIGHT WING LE NR 4 SLAT TRACK INBD FORMER IS CRACKED. INSTALLED RT WING NR 4 INBD FORMER DOUBLER & HAT BUSHING IAW WC 57-98-06. - [SDR AALA20150204010](https://openairdocs.org/sdr/AALA20150204010.md): Former · cracked · Feb 4, 2015 · N9409F · Doug DC983 · Wing, Rib/Bulkhead > LEFT WING LE NR 4 SLAT TRACK INBD FORMER IS CRACKED. INSTALLED LT WING NR 4 SLAT INBD FORMER DOUBLER & HAT BUSHING IAW WC 57-98-05. - [SDR AALA20140922002](https://openairdocs.org/sdr/AALA20140922002.md): Generator · overheated · Sep 22, 2014 · N9409F · Doug DC983 · AC Generator-Alternator > LEFT CONSTANT SPEED DRIVE TEMP WENT TO THE RED LINE. DISCONNECTED CONSTANT SPEED DRIVE IAW CHECKLIST. EMER DECLARED FLIGHT RETURNED & LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED LT ENG GEN. - [SDR AALA20140909008](https://openairdocs.org/sdr/AALA20140909008.md): Trim Motor · inoperative · Sep 9, 2014 · N9409F · Doug DC983 · Stabilizer Actuator > PRIMARY & ALTERNATE TRIM FAILED DURING CRUISE. EMER DECLARED FLIGHT LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED PRIMARY & ALTERNATE TRIM MOTORS. SYS GND CHECKED NORMAL OPERATION CLOSED. - [SDR AALA20140901002](https://openairdocs.org/sdr/AALA20140901002.md): Trim Motor · inoperative · Sep 1, 2014 · N9409F · Doug DC983 · Stabilizer Actuator > PRIMARY & ALTERNATE STABILIZER TRIM INOPERATIVE. EMER DECLARED FLIGHT LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED BOTH DIGITAL FLIGHT GUIDANCE COMPUTERS & ALTERNATE TRIM MOTOR. SYS GND CHECKED NORMAL OPERATION CLOSED. - [SDR AALA20140624013](https://openairdocs.org/sdr/AALA20140624013.md): Connector · not seated · Jun 18, 2014 · N9409F · Doug DC983 · Light System Wiring > EMERGENCY LIGHT AT SEAT 8D INOPERATIVE. RESEATED CONNECTOR FOR EMER LIGHT AT SEAT 8D. OPERATIONS CHECKED NORMAL. - [SDR AALA20140619004](https://openairdocs.org/sdr/AALA20140619004.md): Battery Pack · discharged · Jun 18, 2014 · N9409F · Doug DC983 · Emergency Lighting > EMERGENCY LIGHTS FROM ROWS 18 TO 22. REPLACED BATTERY PACK FOR EMER LIGHTS FROM SEAT ROWS 18 TO 22. OPERATIONS CHECKED NORMAL. - [SDR AALA20131101001](https://openairdocs.org/sdr/AALA20131101001.md): Battery Pack · discharged · Nov 1, 2013 · N9409F · Doug DC983 · Emergency Lighting > AFT AISLE OVERHEAD EMERGENCY LIGHTS STAY ON WITH AIRCRAFT POWER REMOVED & SWITCH OFF. REPLACED AFT AISLE EMERGENCY LIGHT BATTERY PACK. OPERATIONS CHECKED NORMAL. - [SDR AALA20131030003](https://openairdocs.org/sdr/AALA20131030003.md): Stop Fitting · cracked · Oct 30, 2013 · N9409F · Doug DC983 · Cargo/Baggage Doors > MID CARGO DOOR AFT DOOR STOP CASTING CRACKED. INSTALLED MID CARGO DOOR IAW MM 52-31-00-4. - [SDR AALA20131030002](https://openairdocs.org/sdr/AALA20131030002.md): Stop Fitting · cracked · Oct 30, 2013 · N9409F · Doug DC983 · Cargo/Baggage Doors > FWD CARGO DOOR AFT DOOR STOP CASTING CRACKED. INSTALLED FORWARD CARGO DOOR IAW AMM 52-31-00-4. - [SDR AALA20130128001](https://openairdocs.org/sdr/AALA20130128001.md): Battery Pack · not seated · Jan 27, 2013 · N9409F · Doug DC983 · Emergency Lighting > RIGHT CENTER CEILING EMERGENCY LIGHTS BETWEEN AFT LAVATORIES INOPERATIVE. RESEATED BATTERY PACK. OPS CHECK NORMAL. - [SDR AALA20120525021](https://openairdocs.org/sdr/AALA20120525021.md): Casting · cracked · May 25, 2012 · N9409F · Doug DC983 · Spoilers > GROUND SPOILER ACTUATOR CASTING IS CRACKED. INSTALLED DOUBLER PER AARD 57-20-00-15. - [SDR AALA20120525020](https://openairdocs.org/sdr/AALA20120525020.md): Structure · cracked · May 25, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > FUSELAGE CRACKED IN AFT HINGE CUTOUT OF RIGHT AFT NOSE LANDING GEAR DOOR. INSTALLED DOUBLER PER SRM 53-05-00 FIGURE 62. - [SDR AALA20120525019](https://openairdocs.org/sdr/AALA20120525019.md): Beam · corroded · May 25, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > CORROSION AFT CARGO DOOR JAMB BEAM FROM STATIONS 1155 TO 1212. INSTALLED DOUBLER ON AFT CARGO DOOR BEAM PER AARD 53-10-00-3. - [SDR AALA20120521023](https://openairdocs.org/sdr/AALA20120521023.md): Strap · gouged · May 21, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > GOUGES ON STRAP, ABOVE 28 RIGHT BETWEEN STATIONS 429 AND 434. NEW STRAP INSTALLED PER AARD 51-10-00-5 AND BOEING DRAWING 5910142. - [SDR AALA20120521008](https://openairdocs.org/sdr/AALA20120521008.md): Skin · damaged · May 21, 2012 · N9409F · Doug DC983 · Fuselage Main, Plate/Skin > DENT AND SCRATCH IN FUSELAGE SKIN AT STATION 207 ABOVE LONGERON 11 LEFT. INSTALLED DOUBLER PER SRM 53-04-03. - [SDR AALA20120519014](https://openairdocs.org/sdr/AALA20120519014.md): Cusp Web · corroded · May 19, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > RIGHT CUSP HAS CORROSION FROM STATIONS 905 TO 927. INSTALLED DOUBLER PER AARD 53-20-00-16. - [SDR AALA20120519013](https://openairdocs.org/sdr/AALA20120519013.md): Cusp Web · corroded · May 19, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > RIGHT CUSP HAS CORROSION FROM STATIONS 845 TO 864. INSTALLED DOUBLER PER AARD 53-20-00-16. - [SDR AALA20120519012](https://openairdocs.org/sdr/AALA20120519012.md): Cusp Web · cracked · May 19, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > LEFT CUSP CRACKED AT STATION 874. INSTALLED DOUBLER PER AARD 53-20-00-16. - [SDR AALA20120519011](https://openairdocs.org/sdr/AALA20120519011.md): Membrane · damaged · May 19, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > DAMAGED AREA LEFT SUBFLOOR AT STATION 198 LEFT BUTTLINE 44. INSTALLED DOUBLER PER AARD 53-20-00-16. - [SDR AALA20120519010](https://openairdocs.org/sdr/AALA20120519010.md): Cusp Web · corroded · May 19, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > LEFT CUSP SHEET HAS CORROSION FROM STATIONS 1136 TO 1174. INSTALLED CUSP SHEET SPLICE PER BOEING DRAWING SG09530019. - [SDR AALA20120519009](https://openairdocs.org/sdr/AALA20120519009.md): Cusp Web · corroded · May 19, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > CORROSION ON THE BOTTOM OF THE LEFT CUSP STATIONS 756 TO 760. INSTALLED DOUBLER PER AARD 53-20-00-16. - [SDR AALA20120518007](https://openairdocs.org/sdr/AALA20120518007.md): Frame · cracked · May 18, 2012 · N9409F · Doug DC983 · Fuselage Main, Frame > THE 1510 CANT FRAME CRACKED AT TAIL CONE ALIGNMENT PIN ABOVE LEFT UPPER TAIL CONE LATCH. INSTALLED DOUBLER AT 1510 CANT FRAME LEFT PER EA MD80-53-023694. - [SDR AALA20120518005](https://openairdocs.org/sdr/AALA20120518005.md): Panel · corroded · May 18, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > FUSELAGE AFT LAVATORY SERVICE PANEL HAS CORROSION AT BOTTOM DOOR LANDING. INSTALLED A TITANIUM REPAIR DOUBLER PER EA MD80-53-023696. - [SDR AALA20120518002](https://openairdocs.org/sdr/AALA20120518002.md): Cusp Web · corroded · May 18, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > CORROSION ON THE BOTTOM OF THE RIGHT CUSP AT STATIONS 735 TO 740. INSTALLED DOUBLER ON RIGHT CUSP AT STATION 735 PER AARD 53-20-00-16. - [SDR AALA20120518001](https://openairdocs.org/sdr/AALA20120518001.md): Cusp Web · corroded · May 18, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > RIGHT CUSP DAMAGED AT STATION 1004 BELOW NUMBER 5 SEAT TRACK. REMOVED DAMAGE AND INSTALLED CUSP REPAIR DOUBLER AT RIGHT STATION 1004 PER AARD 53-20-00-16. - [SDR AALA20120517010](https://openairdocs.org/sdr/AALA20120517010.md): Membrane · corroded · May 17, 2012 · N9409F · Doug DC983 · Fuselage Miscellaneous Structure > CORROSION ON SUBFLOOR AT STATION 215 RIGHT BUTTLINE 56. INSTALLED DOUBLER PER AARD 53-20-00-16. Next page: https://openairdocs.org/aircraft/N9409F/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 = 'N9409F' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N9409F/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.