# Service difficulty reports: N89S, cancelled Nov 19, 2013 A list on [N89S, cancelled Nov 19, 2013](https://openairdocs.org/deregistered/N89S-2013-11-19.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 0600519930](https://openairdocs.org/sdr/0600519930.md): Slide · deployed · Mar 11, 2006 · N89S · Doug DC931 · Escape Slide > DURING MAINTENANCE ACTIVITIES AT LGA TAIL CONE WAS INADVERTENTLY DEPLOYED FROM AFT INSIDE HANDLE. THE TAIL CONE EMERGENCY SLIDE DID NOT DEPLOY. NO OBVIOUS REASON FOR FAILURE TO DEPLOY WAS FOUND. LGA MAINTENANCE TEMPORARILY REPAIRED DAMAGE TO TAIL CONE AFT - [SDR 0103689930](https://openairdocs.org/sdr/0103689930.md): Fitting · cracked · Sep 29, 2001 · N89S · Doug DC931 · Fuselage Main, Attach Fittings > Found 1/2" crack in large flat casting that bolts to the top of the trap fitting lt w/well. Replaced fitting. l/p 1676019 - [SDR 9806479930](https://openairdocs.org/sdr/9806479930.md): Socket · inoperative · Apr 11, 1998 · N89S · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND SEAT ROW 12 RIGHT SIDE EMERGENCY PATHWAY LIGHTING INOPERATIVE. MAINTENANCE REPLACED LIGHT SOCKET, OPERATIONAL CHECK NORMAL. - [SDR 9805799930](https://openairdocs.org/sdr/9805799930.md): Batteries · discharged · Apr 2, 1998 · N89S · Doug DC931 · Emergency Lighting > EMERGENCY LIGHTS ON BOTH SIDES OF CATWALK INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9805789930](https://openairdocs.org/sdr/9805789930.md): Connector · loose · Apr 2, 1998 · N89S · Doug DC931 · Emergency Lighting > OVERWING EMERGENCY EXIT LIGHT AT SEAT 12D INOPERATIVE. RESEATED CONNECTOR. OPERATIONAL CHECK NORMAL. - [SDR 9804459930](https://openairdocs.org/sdr/9804459930.md): Computer · failed · Mar 13, 1998 · N89S · Doug DC931 · Autopilot System > RUDDER OSCILLATION WITH AIRCRAFT YAW OCCURRED AFTER TAKEOFF. FLIGHT WAS RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED STABILIZATION AUGMENTATION COMPUTER AND RUDDER YAW DAMPER ACTUATOR, OPERATIONAL CHECK NORMAL. - [SDR 9801299930](https://openairdocs.org/sdr/9801299930.md): Batteries · discharged · Jan 21, 1998 · N89S · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9721589930](https://openairdocs.org/sdr/9721589930.md): Battery Pack · discharged · Oct 14, 1997 · N89S · Doug DC931 · Emergency Lighting > EMERGENCY LIGHTS WIRING IN THE FIRST CLASS SECTION WAS FOUND DISABLED. MAINTENANCE REPAIRED WIRES AND REPLACED BATTERY PACK AND FUSE, OPERATIONAL CHECK OK. - [SDR 9718309930](https://openairdocs.org/sdr/9718309930.md): Controller · failed · Sep 30, 1997 · N89S · Doug DC931 · Cabin Pressure Controller > LOSS OF CABIN PRESSURIZATION OCCURRED DURING CLIMB-OUT FROM MDW. CREW SWITCHED TO MANUAL PRESSURIZATION CONTROL AND CONTINUED TO DESTINATION (MSP) AT 10,000 FEET ALTITUDE. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CABIN PRESSURE CONTROLLER. OP - [SDR 9713889930](https://openairdocs.org/sdr/9713889930.md): Connectors · failed · Jul 15, 1997 · N89S · Doug DC931 · Landing Gear Steering System > DURING LINE MAINTENANCE INSPECTION, FOUND LEFT FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPAIRED TERMINALS, OPERATIONAL CHECK NORMAL. - [SDR 9711629930](https://openairdocs.org/sdr/9711629930.md): Nav Receiver · failed · Jun 15, 1997 · N89S · Doug DC931 · Visual Omnirange (VOR) System > NR 1 NAV FLAGGED AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 1 NAV RECEIVER, OPERATIONAL CHECK NORMAL. - [SDR 9710539930](https://openairdocs.org/sdr/9710539930.md): Fuel Control · contaminated · May 31, 1997 · N89S · Doug DC931 · Fuel Controlling System > AS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE EPR, N1, AND N2 INDICATIONS BEGAN FLUCTUATING. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE DRAINED THE FUEL CONTROL MOISTURE TRAP ON THE RIGHT ENGINE, OPERATIONAL CHECK OK. - [SDR 9708979930](https://openairdocs.org/sdr/9708979930.md): Control Panel · failed · May 2, 1997 · N89S · Doug DC931 · Weather Radar System > AFTER TAKEOFF, WEATHER RADAR BECAME INTERMITTENT. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RADAR CONTROL PANEL, OPERATIONAL CHECK OK. - [SDR 9707249930](https://openairdocs.org/sdr/9707249930.md): Bulbs · dirty · Apr 2, 1997 · N89S · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS IN TAIL COMPARTMENT INOPERATIVE. CLEANED BULB CONTACTS, OPERATIONAL CHECK NORMAL. - [SDR 9625189930](https://openairdocs.org/sdr/9625189930.md): Epr Transmitter · failed · Nov 25, 1996 · N89S · Doug DC931 · Engine Pressure Ratio (EPR) > AS POWER WAS APPLIED FOR TAKEOFF THE RIGHT ENGINE EPR INDICATION WAS INOPERATIVE. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED THE RIGHT ENGINE EPR TRANSMITTER, OPERATIONAL CHECK WAS OK. - [SDR 9625039930](https://openairdocs.org/sdr/9625039930.md): Batteries · discharged · Nov 19, 1996 · N89S · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9623019930](https://openairdocs.org/sdr/9623019930.md): Indication · malfunctioned · Oct 24, 1996 · N89S · Doug DC931 · Landing Gear Position and Warning > DURING FLIGHT, RED NOSE GEAR UNSAFE LIGHT DID NOT ILLUMINATE WITH THROTTLES AT FLIGHT IDLE. ON APPROACH, NOSE GEAR GREEN LIGHT DID NOT ILLUMINATE. RECYCLED GEAR TWO TIMES AND NORMAL INDICATIONS WERE ACHIEVED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE C - [SDR 9622089930](https://openairdocs.org/sdr/9622089930.md): Downlock Switch · malfunctioned · Oct 14, 1996 · N89S · Doug DC931 · Landing Gear Position and Warning > ON APPROACH, THE NOSE GEAR GREEN DOWNLOCK LIGHT DID NOT ILLUMINATE AFTER GEAR WAS EXTENDED. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY ON GROUND. REPLACED NOSE GEAR DOWN - [SDR 9620569930](https://openairdocs.org/sdr/9620569930.md): Anti-Ice Valve · malfunctioned · Sep 25, 1996 · N89S · Doug DC931 · Airfoil Anti/De-ice System > AIRFOIL ICE PROTECTION PRESSURE ABNORMAL LIGHT ILLUMINATED WITH TAIL ANTI-ICE SELECTED AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED WING ANTI-ICE VALVE, OPERATIONAL CHECK NORMAL. - [SDR 9620099930](https://openairdocs.org/sdr/9620099930.md): Blkhd Splice · corroded · Sep 7, 1996 · N89S · Doug DC931 · Fuselage Main, Bulkhead > DURING H-CHECK, FOUND CORROSION ON THE FS 756 BULKHEAD T-SPLICE BETWEEN LONGERON 29R TO 30. REPAIRED SPLICE (P/N 9958212-3) PER EA 99-110785. - [SDR 9620089930](https://openairdocs.org/sdr/9620089930.md): Web · cracked · Sep 6, 1996 · N89S · Doug DC931 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND CRACKS IN THE NOSE LANDING GEAR HORIZONTAL PRESSURE WEB FS 108 AT LBL/RBL 25 AND 37 AT THE VERTICAL STIFFENER UPPER FITTING. REPAIRED WEB (P/N 9910073-313, 9911583) PER EA 99-110786. - [SDR 9620079930](https://openairdocs.org/sdr/9620079930.md): Web · cracked · Sep 6, 1996 · N89S · Doug DC931 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND A 3.6 INCH CRACK IN THE NOSE LANDING GEAR HORIZONTAL PRESSURE WEB RIGHT FRAME FITTING FS 83. REPAIRED WEB (P/N 9910073-313) PER EA 99-110787. - [SDR 9619279930](https://openairdocs.org/sdr/9619279930.md): Fitting · cracked · Sep 3, 1996 · N89S · Doug DC931 · Trailing Edge Flaps > DURING H-CHECK, FOUND A CRACK IN THE NR 4 TRAILING EDGE FLAP INBOARD RIB TO SKIN ATTACH FITTING. REPLACED FITTING PER SRM 51-30-2. - [SDR 9617739930](https://openairdocs.org/sdr/9617739930.md): Pt-7 Line · broken · Aug 13, 1996 · N89S · Doug DC931 · Engine Pressure Ratio (EPR) > DURING TAKEOFF, THE LEFT ENGINE EPR REACHED A MAX OF 1.85, NEEDED 1.95 FOR TAKEOFF. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED PT-7 LINE. OPERATIONAL CHECK OK. - [SDR 9613909930](https://openairdocs.org/sdr/9613909930.md): Battery Pack · discharged · Jun 21, 1996 · N89S · Doug DC931 · Emergency Lighting > DURING PERIODIC CHECK, FOUND AFT OVERWING EMERGENCY EXIT LIGHT BATTERY PACK WITH NO OUTPUT. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9606899930](https://openairdocs.org/sdr/9606899930.md): Circuit Breakers · tripped · Mar 22, 1996 · N89S · Doug DC931 · Fuel Boost Pump > APPROXIMATELY THREE MINUTES AFTER TAKEOFF, NUMEROUS FUEL BOOST PUMP CIRCUIT BREAKERS POPPED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED WIRING AT PUMP SWITCHES ON OVERHEAD PANEL, AT CIRCUIT BREAKER PANEL AND AT DISCONNECT AT FS - [SDR 9607089930](https://openairdocs.org/sdr/9607089930.md): Skin · cracked · Mar 18, 1996 · N89S · Doug DC931 · Fuselage Main, Plate/Skin > DURING LINE CHECK, FOUND A 2.25 INCH CRACK IN THE MAIN CABIN DOOR UPPER AFT DOOR JAMB CORNER SKIN AND DOUBLER. REPAIRED SKIN (P/N 591406-5) AND DOUBLER PER EA 99-99570. - [SDR 9606049930](https://openairdocs.org/sdr/9606049930.md): Batteries · discharged · Mar 12, 1996 · N89S · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES AND OPERATIONAL CHECK NORMAL. - [SDR 9606059930](https://openairdocs.org/sdr/9606059930.md): Batteries · discharged · Mar 11, 1996 · N89S · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND MID CABIN OVERHEAD EMERGENCY EXIT LIGHTS DIM. REPLACED BATTERIES AND OPERATIONAL CHECK NORMAL. - [SDR 9601929930](https://openairdocs.org/sdr/9601929930.md): Bulb · failed · Jan 24, 1996 · N89S · Doug DC931 · Landing Gear Position and Warning > YEG - DURING APPROACH, RIGHT MAIN LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE ON GEAR EXTENSION. CREW CONFIRMED VISUALLY THROUGH PERISCOPE THAT GEAR WAS DOWN AND LOCKED. AIRCRAFT LANDED WITHOUT INCIDENT. EMERGENCY EQUIPMENT WAS CALLED OUT ON STANDBY AS A PR - [SDR 9517419930](https://openairdocs.org/sdr/9517419930.md): Batteries · discharged · Nov 6, 1995 · N89S · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND CENTER SECTION UPPER EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK GOOD. - [SDR 9510399930](https://openairdocs.org/sdr/9510399930.md): Position Switch · binding · Jun 26, 1995 · N89S · Doug DC931 · Central Warning > TAKE-OFF WARNING HORN SOUNDED WITH ALL CONDITIONS MET FOR TAKE-OFF. ABORTED TAKE-OFF AND RETURNED TO GATE. FOUND STABILIZER TAKE-OFF POSITION SWITCH (S1-141) STICKING. CLEANED AND LUBED SWITCH. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE. - [SDR 9510109930](https://openairdocs.org/sdr/9510109930.md): Relay · malfunctioned · Jun 26, 1995 · N89S · Doug DC931 · External Power System > GROUND SERVICE BUS FAILED AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED R2-48 EXTERNAL POWER GROUND SERVICE RELAY. OPERATIONAL CHECK OK, AIRCRAFT RETURNED TO SERVICE. - [SDR 9502029930](https://openairdocs.org/sdr/9502029930.md): Slip Joint · out of position · Feb 9, 1995 · N89S · Doug DC931 · Airfoil Anti/De-ice System > AIRFOIL ICE PROTECTION PRESSURE ABNORMAL LIGHT ILLUMINATED WITH WING AIRFOIL SYSTEM ANTI-ICE ACTIVATED. LIGHT EXTINGUISHED WITH TAIL ANTI-ICE ACTIVATED. AFTER CYCLE OF TAIL SYSTEM, THE LIGHT REILLUMINATED. FLIGHT DIVERTED TO ORD AND LANDED WITHOUT INCIDENT. - [SDR 9501729930](https://openairdocs.org/sdr/9501729930.md): Outflow Valve · ice contaminant · Jan 23, 1995 · N89S · Doug DC931 · Pressure Regulator/Outflow Valve > DURING CLIMB-OUT FROM MDW, CABIN PRESSURE WARNING AND MASTER WARNING LIGHTS ILLUMINATED. PERFORMED MANUAL OPERATION BUT CONTROL WHEEL WAS HARD TO MOVE. WHEEL MOVEMENT EVENTUALLY LOOSENED AND NORMAL CABIN PRESSURE WAS ACHIEVED. FLIGHT CONTINUED TO DESTINATIO - [SDR 9500309930](https://openairdocs.org/sdr/9500309930.md): Control Cable · broken · Jan 7, 1995 · N89S · Doug DC931 · Landing Gear Door Retract Section > EXCESSIVE VIBRATION WAS COMING FROM THE NOSE LANDING GEAR AREA AFTER GEAR WAS RETRACTED. FLIGHT RETURNED TO MSO AND LANDED WITHOUT INCIDENT. UPON INSPECTION, FOUND NOSE GEAR DOOR STOP CABLE BROKEN. REMOVED BROKEN CABLE; CLOSED AND SECURED NOSE GEAR DOORS. ## 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 = 'N89S' AND deregistration_id = 'N89S-2013-11-19' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N89S-2013-11-19/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.