# Service difficulty reports: N931TW, cancelled May 22, 2017

A list on [N931TW, cancelled May 22, 2017](https://openairdocs.org/deregistered/N931TW-2017-05-22.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 · 88 reports

- [SDR AALA20131115002](https://openairdocs.org/sdr/AALA20131115002.md): Battery Pack · discharged · Nov 15, 2013 · N931TW · Doug DC983 · Emergency Lighting
  > SECTION OF EMERGENCY LIGHTS STAY ON WHEN MAIN SHIPS BATTERY SWITCH PLACED TO OFF. REPLACED BATTERY PACK. OPERATIONS CHECKED NORMAL.
- [SDR AALA20130930001](https://openairdocs.org/sdr/AALA20130930001.md): Battery Pack · inoperative · Sep 30, 2013 · N931TW · Doug DC983 · Emergency Lighting
  > CABIN EMERGENCY BATTERY PACK INOPERATIVE. REPLACED BATTERY PACK FOR CABIN EMERGENCY LIGHTS. OPERATIONS CHECKED NORMAL.
- [SDR AALA20130714010](https://openairdocs.org/sdr/AALA20130714010.md): Pressure Switch · inoperative · Jul 14, 2013 · N931TW · Doug DC983 · Engine Oil Pressure
  > RT ENGINE OIL FILTER CLOG LIGHT ILLUMINATED. ACCOMPLISHED QRH PROCEDURE & LIGHT STAYED ON FOR FIVE MINUTES AT IDLE THRUST THEN EXTINGUISHED. REPLACED DIFFERENTIAL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL.
- [SDR AALA20130109018](https://openairdocs.org/sdr/AALA20130109018.md): Actuator · inoperative · Jan 9, 2013 · N931TW · Doug DC983 · Stabilizer Actuator
  > AUS - CREW REPORTED HORIZONTAL STABILIZER WAS JAMMED AND NOT RESPONDING TO ANY INPUT FROM THE FLIGHT CREW. EMERGENCY DECLARED FLIGHT LANDED AUS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED HORIZONTAL STABILIZER PRIMARY ACTUATOR. SYSTEM
- [SDR AALA20121202003](https://openairdocs.org/sdr/AALA20121202003.md): Battery Pack · discharged · Dec 1, 2012 · N931TW · Doug DC983 · Emergency Lighting
  > OVERHEAD EMERGENCY LIGHTS AT 18 AND 19 INOPERATIVE. REPLACED BATTERY PACK IN OVERHEAD BIN AT 20DEF. OPS CHECK NORMAL.
- [SDR AALA20120906030](https://openairdocs.org/sdr/AALA20120906030.md): Cusp Web · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > LEFT CUSP SHEET CRACKED AT STATION 1022 BELOW NUMBER 2 SEAT TRACK. INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20120906029](https://openairdocs.org/sdr/AALA20120906029.md): Cusp Web · damaged · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > LEFT CUSP AT STATION 1194 HAS SMALL TEAR UNDER SEAT TRACK NUMBER 1 OUTBOARD FLANGE LEFT BUTTLINE 55. INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20120906028](https://openairdocs.org/sdr/AALA20120906028.md): Cusp Web · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CRACK IN LEFT CUSP AT STATION 223 THAT HAS A TEMPORARY REPAIR STOP DRILL. INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20120906027](https://openairdocs.org/sdr/AALA20120906027.md): Cusp Web · corroded · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CORROSION ON THE BOTTOM OF THE LEFT CUSP FROM STATIONS 1165 TO 1174. INSTALLED DOUBLER PER AARD 53-20-00-16 AND BOEING DRAWING SG09530019.
- [SDR AALA20120906026](https://openairdocs.org/sdr/AALA20120906026.md): Cusp Web · corroded · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CORROSION ON BOTTOM OF RIGHT CUSP AT STATION 1254. INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20120906025](https://openairdocs.org/sdr/AALA20120906025.md): Frame · damaged · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Main, Frame
  > STATION 750, LONGERON 6 RIGHT, GOUGE IN FRAME LOWER LIP. INSTALLED J-ANGLE REPAIR PER AARD 53-10-00-17.
- [SDR AALA20120906024](https://openairdocs.org/sdr/AALA20120906024.md): Pan · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CABIN WINDOW PAN CRACKED AT UPPER FORWARD CORNER BETWEEN STATIONS 886 TO 905 RIGHT SIDE. INSTALLED DOUBLER PER AARD 53-10-00-25.
- [SDR AALA20120906023](https://openairdocs.org/sdr/AALA20120906023.md): Skin · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Main, Plate/Skin
  > CRACKS IN FUSELAGE SKIN FROM STATIONS 1182 TO 1193 LONGERON 5 RIGHT. INSTALLED DOUBLER REPAIR PER SRM 53-04-03 FIGURE 4.
- [SDR AALA20120906022](https://openairdocs.org/sdr/AALA20120906022.md): Skin · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN AT STATION 394 LONGERON 6 RIGHT. INSTALLED DOUBLER REPAIR PER SRM 53-04-03.
- [SDR AALA20120906021](https://openairdocs.org/sdr/AALA20120906021.md): Skin · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN AT STATION 295 LONGERON 6 RIGHT CRACKED. INSTALLED DOUBLER REPAIR PER SRM 53-04-03.
- [SDR AALA20120906020](https://openairdocs.org/sdr/AALA20120906020.md): Skin · cracked · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Main, Plate/Skin
  > TOP OF FUSELAGE STATION 750 RIGHT CRACK IN SKIN ABOVE LONGERON 4 RIGHT. INSTALLED DOUBLER PER SRM 53-04-03.
- [SDR AALA20120906019](https://openairdocs.org/sdr/AALA20120906019.md): Cusp Web · corroded · Sep 6, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > LEFT CUSP FROM STATIONS 1174 TO 1176 CORRODED. INSTALLED REPAIR DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20120905006](https://openairdocs.org/sdr/AALA20120905006.md): Web · corroded · Sep 5, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CORROSION ON TOP OF WEB AT STATION 1215 BETWEEN LONGERONS 29 AND 28 RIGHT. INSTALLED WEB SPLICE PER AARD 53-10-00-24.
- [SDR AALA20120831017](https://openairdocs.org/sdr/AALA20120831017.md): Cusp Web · corroded · Aug 31, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > LEFT CUSP CORRODED, TOP AND BOTTOM, FROM STATIONS 469 TO 482. REMOVED CORROSION AND INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20120830006](https://openairdocs.org/sdr/AALA20120830006.md): Support Angle · cracked · Aug 30, 2012 · N931TW · Doug DC983 · Fuselage, Seat/Cargo Attach Fittings
  > STATION 845 AND BELOW NUMBER 4 SEAT TRACK HAS VERTICAL ANGLE CRACKED. INSTALLED NEW SUPPORT ANGLE FOR SEAT TRACK NUMBER 4 AT STATION 845 PER AARD 51-00-05-01.
- [SDR AALA20120828016](https://openairdocs.org/sdr/AALA20120828016.md): Pan · cracked · Aug 28, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CABIN WINDOW PAN CRACKED UPPER FORWARD CORNER BETWEEN STATIONS 886 TO 905 RIGHT SIDE. INSTALLED DOUBLER PER AARD 53-10-00-25.
- [SDR AALA20120828012](https://openairdocs.org/sdr/AALA20120828012.md): Pan · cracked · Aug 28, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > CABIN LEFT WINDOW PAN CRACKED LOWER FORWARD CORNER STATION 1193. INSTALLED DOUBLER REPAIR PER AARD 53-10-00-25.
- [SDR AALA20120828002](https://openairdocs.org/sdr/AALA20120828002.md): Rib · cracked · Aug 28, 2012 · N931TW · Doug DC983 · Leading Edge Devices
  > NUMBER 5 SLAT, RIB HAS CRACK INDICATION 2ND RIB FROM OUTBOARD END, NUMBER 14 TRACK. REPLACED NUMBER 14 RIB PER ESO 80117.
- [SDR AALA20120826006](https://openairdocs.org/sdr/AALA20120826006.md): Support Fitting · cracked · Aug 26, 2012 · N931TW · Doug DC983 · Fuselage Miscellaneous Structure
  > STATION 927, BELOW SEAT TRACK NUMBER 5, SUPPORT FITTING CRACKED. REMOVED CRACKED FITTING AND INSTALLED SERVICEABLE FITTING AS PER AARD 51-00-05-1.
- [SDR AALA20111202DFW04](https://openairdocs.org/sdr/AALA20111202DFW04.md): Connector · defective · Dec 1, 2011 · N931TW · Doug DC983 · Light System Wiring
  > SEAT 26D EMERGENCY LIGHT INOPERATIVE. REPINNED SEAT 26D EMERGENCY LIGHT QUICK DISCONNECT. OPS CHECK NORMAL.
- [SDR AALA20111202DFW03](https://openairdocs.org/sdr/AALA20111202DFW03.md): Lens · missing · Dec 1, 2011 · N931TW · Doug DC983 · Emergency Lighting
  > ROW 13 OVERHEAD EMERGENCY LIGHT MISSING LENS. REPLACED LENS FOR ROW 13 OVERHEAD EMERGENCY LIGHT. OPS CHECK NORMAL.
- [SDR AALA20111202DFW01](https://openairdocs.org/sdr/AALA20111202DFW01.md): Light · inoperative · Dec 1, 2011 · N931TW · Doug DC983 · Emergency Lighting
  > SEAT 16D EMERGENCY LIGHT INOPERATIVE. REPLACED LIGHT ASSEMBLY FOR EMERGENCY LIGHT AT SEAT 16D. OPS CHECK NORMAL.
- [SDR AALA20110801TUL02](https://openairdocs.org/sdr/AALA20110801TUL02.md): Generator · failed · Aug 1, 2011 · N931TW · Doug DC983 · AC Generator-Alternator
  > DTW - INFLIGHT ORD-EWR. CREW REPORTED AUXILIARY POWER UNIT FAILED WITH RIGHT ENGINE GENERATOR ON PLACARD. FLIGHT DIVERTED DTW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT ENGINE GENERATOR AND CONSTANT SPEED DRIVE. SYSTEM GROUND C
- [SDR AALA20110617TUL07](https://openairdocs.org/sdr/AALA20110617TUL07.md): Skin · dented · Jun 17, 2011 · N931TW · Doug DC983 · Trailing Edge Flaps
  > RIGHT WING FLAP WEDGE NUMBER 2 HAS HAIL DENT BETWEEN 5TH AND 6TH FRAME. INSTALLED DOUBLER REPAIR PER SRM 57-03-00 CLASS B FIGURE 8.
- [SDR AALA20110617TUL06](https://openairdocs.org/sdr/AALA20110617TUL06.md): Skin · dented · Jun 17, 2011 · N931TW · Doug DC983 · Trailing Edge Flaps
  > LEFT WING, OUTBOARD FLAP, DENT IN NUMBER 1 WEDGE. INSTALLED DOUBLER REPAIR PER SRM 57-03-00 CLASS B FIGURE 8.
- [SDR AALA20110617TUL05](https://openairdocs.org/sdr/AALA20110617TUL05.md): Skin · dented · Jun 17, 2011 · N931TW · Doug DC983 · Trailing Edge Flaps
  > LEFT WING, OUTBOARD FLAP, DENT IN NUMBER 1 WEDGE. INSTALLED DOUBLER REPAIR PER SRM 57-03-00 CLASS B FIGURE 8.
- [SDR AALA20110617TUL04](https://openairdocs.org/sdr/AALA20110617TUL04.md): Skin · dented · Jun 17, 2011 · N931TW · Doug DC983 · Trailing Edge Flaps
  > RIGHT WING FLAP WEDGE NUMBER 2 HAS HAIL DENT BETWEEN 5TH AND 6TH FRAME.025 INCHES DEEP 5.5 INCHES AFT OF FLAP FRONT SPAR. INSTALLED DOUBLER REPAIR PER SRM 57-03-00 CLASS B FIGURE 8.
- [SDR AALA20110617TUL02](https://openairdocs.org/sdr/AALA20110617TUL02.md): Skin · dented · Jun 17, 2011 · N931TW · Doug DC983 · Trailing Edge Flaps
  > RIGHT WING FLAP WEDGE NUMBER 1 HAS HAIL DENT BETWEEN 3RD AND 4TH FRAME.035 INCHES AFT OF FLAP FRONT SPAR. INSTALLED DOUBLER REPAIR PER SRM 57-03-00 CLASS B FIGURE 8.
- [SDR AALA20101201TUL22](https://openairdocs.org/sdr/AALA20101201TUL22.md): Terminal · loose · Dec 1, 2010 · N931TW · Doug DC983 · AC Power Distribution System
  > OMA - CREW REPORTED RIGHT GENERATOR FAILED AND ELECTRICAL ODOR IN CABIN. FIRST OFFICERS INSTRUMENTS WENT BLANK AND THE FLIGHT WAS IN INSTRUMENT CONDITIONS. EMERGENCY DECLARED FLIGHT RETURNED OMA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND
- [SDR AALA20101126TUL07](https://openairdocs.org/sdr/AALA20101126TUL07.md): Relay · faulty · Nov 26, 2010 · N931TW · Doug DC983 · AC Generation System
  > SMF - CREW REPORTED RIGHT ENGINE GENERATOR FAILED ON TAKEOFF. FLIGHT RETURNED SMF LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RELAY ASSEMBLY. SYSTEM GROUND CHECK NORMAL OPERATION.
- [SDR AALA20100818DFW04](https://openairdocs.org/sdr/AALA20100818DFW04.md): Reservoir · leaking · Aug 18, 2010 · N931TW · Doug DC983 · Hydraulic Reservoir, Main
  > DFW - CAPTAIN REPORTED THAT THE AIRCRAFT HAD LOST THE ENTIRE RIGHT HYDRAULIC SYSTEM. PRESSURE DROPPED TO ZERO WITH A SPIKE IN HYDRAULIC QUANTITY. EMERGENCY DECLARED LANDED DFW WITHOUT INCIDENT. MAIN LANDING GEAR DOOR SKIDS DAMAGED DUE TO NO RIGHT HYDRAULIC
- [SDR AALA20100203LGA01](https://openairdocs.org/sdr/AALA20100203LGA01.md): Battery Pack · malfunctioned · Jan 31, 2010 · N931TW · Doug DC983 · Emergency Lighting
  > EMERGENCY LIGHTS INOPERATIVE AT CEILING PANELS ROW 28DEF, 30DEF, AND 33DEF. RESET BATTERY PACK AT ROW 28DEF. OPS CHECKS NORMAL.
- [SDR AALA20100115TUL03](https://openairdocs.org/sdr/AALA20100115TUL03.md): Frame · cracked · Jan 15, 2010 · N931TW · Doug DC983 · Fuselage Main, Frame
  > CRACK IN FRAME 1497 LEFT SIDE BETWEEN INTERCOSTALS FORWARD OF LEFT LOWER TAIL CONE LATCH. INSTALLED DOUBLER PER AARD 53-10-00-15.
- [SDR AALA20100114TUL12](https://openairdocs.org/sdr/AALA20100114TUL12.md): Shear Tie · damaged · Jan 14, 2010 · N931TW · Doug DC983 · Fuselage Internal Mounting Structure
  > SHEAR TIE FLANGE AT OUTBOARD STATION 1380, LONGERON 13 TO 14 RIGHT IS DAMAGED. INSTALLED DOUBLER PER AARD 53-10-00-20.
- [SDR AALA20100114TUL11](https://openairdocs.org/sdr/AALA20100114TUL11.md): Frame · cracked · Jan 14, 2010 · N931TW · Doug DC983 · Fuselage Main, Frame
  > CRACK IN FRAME 1418 AT LONGERON 2 RIGHT. INSTALLED DOUBLER PER AARD 53-10-00-15.
- [SDR AALA20100114TUL10](https://openairdocs.org/sdr/AALA20100114TUL10.md): Frame · cracked · Jan 14, 2010 · N931TW · Doug DC983 · Fuselage Main, Frame
  > CRACK IN FRAME AT STATION 1418 AT LONGERON 2 LEFT. INSTALLED DOUBLER PER AARD 53-10-00-15.
- [SDR AALA20100114TUL09](https://openairdocs.org/sdr/AALA20100114TUL09.md): Skin · cracked · Jan 14, 2010 · N931TW · Doug DC983 · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN ABOVE LONGERON 14 RIGHT AT STATION 1380. INSTALLED DOUBLER PER SRM 53-01-00 AND AARD 53-30-00-02.
- [SDR AALA20100113TUL19](https://openairdocs.org/sdr/AALA20100113TUL19.md): Frame · cracked · Jan 13, 2010 · N931TW · Doug DC983 · Fuselage Main, Frame
  > CRACK ON FRAME 1463 AND LONGERON 18 RIGHT. INSTALLED TRIPLER UNDER SRM 53-03-00.
- [SDR AALA2009033000002](https://openairdocs.org/sdr/AALA2009033000002.md): Control Valve · inoperative · Mar 30, 2009 · N931TW · Doug DC983 · Cabin Temperature Control System
  > OMA - CABIN LOST PRESSURE AND MASKS WERE DEPLOYED. EMERGENCY DECLARED, LANDED OMA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT CABIN TEMPERATURE CONTROL VALVE. SYSTEM GROUND CHECK NORMAL OPERATION.
- [SDR AALA200803114](https://openairdocs.org/sdr/AALA200803114.md): Pressure Switch · inoperative · Dec 15, 2008 · N931TW · Doug DC983 · Cabin Pressure Control System
  > ORD INFLIGHT - CREW REPORTED PRIMARY PRESSURIZATION CONTROLLER FAILED TO KEEP CABIN ALTITUDE. SWITCHED TO STANDBY CONTROLLER AND TRANSFER LOCKOUT AND STANDBY ON BLUE LIGHTS CAME ON. CABIN ALTITUDE WENT TO NORMAL. CREW REQUESTED RAPID DESCENT FROM FL350 TO FL
- [SDR AALA200802719](https://openairdocs.org/sdr/AALA200802719.md): Battery Pack · discharged · Oct 11, 2008 · N931TW · Doug DC983 · Emergency Lighting
  > LGA EMERGENCY LIGHTS AT OVERHEAD SEAT ROWS 18 TO 21 INOPERATIVE. REPLACED BATTERY PACK AT OVERHEAD BIN SEAT ROW 20 FOR EMERGENCY LIGHTS AT OVERHEAD SEAT ROWS 18 TO 21. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)
- [SDR AALA200802718](https://openairdocs.org/sdr/AALA200802718.md): Battery Pack · discharged · Oct 11, 2008 · N931TW · Doug DC983 · Emergency Lighting
  > LGA EMERGENCY EXIT SIGN LIGHT AT AFT OVERWING INOPERATIVE. REPLACED BATTERY PACK AT SEAT ROW 20 OVERHEAD BIN FOR EMERGENCY EXIT SIGN LIGHT AT AFT OVERWING. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)
- [SDR AALA20072082](https://openairdocs.org/sdr/AALA20072082.md): Terminal · dirty · Oct 30, 2007 · N931TW · Doug DC983 · Light System Wiring
  > SFO - EMERGENCY LIGHTS AT LEFT AND RIGHT OVERWING DOOR SEAT ROW 20 INOPERATIVE. CLEANED TERMINALS ON BATTERY FOR EMERGENCY LIGHT AT SEAT 16D. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR AALA20072081](https://openairdocs.org/sdr/AALA20072081.md): Connector · loose · Oct 30, 2007 · N931TW · Doug DC983 · Light System Wiring
  > SFO - EMERGENCY LIGHT AT SEAT 16D INOPERATIVE. RESET CONNECTOR FOR EMERGENCY LIGHT AT SEAT 16D. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR AALA20071342](https://openairdocs.org/sdr/AALA20071342.md): Engine · oil consumption · Jul 24, 2007 · N931TW · Doug DC983 · Engine (Turbine/Turboprop)
  > ORD INFLIGHT T1817/24JUL - OIL PRESSURE LIGHT ILLUMINATED ACCOMPANIED BY INDICATION OF QUANTITY DECREASE TO ZERO. CREW SHUT DOWN ENGINE AND RETURNED TO ORD AND LANDED WITHOUT INCIDENT. SINGLE ENGINE TIME 20 MINUTES. REPLACED NUMBER ONE ENGINE ON 23 JUL 2007

Next page: https://openairdocs.org/deregistered/N931TW-2017-05-22/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 = 'N931TW' AND deregistration_id = 'N931TW-2017-05-22'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N931TW-2017-05-22/reports

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