# Service difficulty reports: Mcdonnell Douglas DC-9-34

A list on [Mcdonnell Douglas DC-9-34](https://openairdocs.org/model/mcdonnell-douglas-dc-9-34.md).

Newest first. General aviation reporting is voluntary.

- [SDR Y2PA20120921044](https://openairdocs.org/sdr/Y2PA20120921044.md): Fuel Cell · damaged · Sep 21, 2012 · N934US · Doug DC934 · Aircraft Fuel Distribution System
  > EXCESSIVE FUEL LOSS IN FLIGHT. LT FUEL LOW PRESSURE LIGHT CAME ON. CLIMBED TO FL270. AS ACFT LEVELED OFF CREW REALIZED THE LT WING FUEL GAUGE INDICATES ZERO. SHORTLY AFTER LT FUEL LOW PRESSURE LIGHT ILLUMINATED. COM 2.28.9 PROCEDURE PERFORMED, CROSSFEE
- [SDR Y2PA20120422019](https://openairdocs.org/sdr/Y2PA20120422019.md): Battery · illuminated · Apr 22, 2012 · N934US · Doug DC934 · Emergency Lighting
  > TAIL COMPARTMENT EMERGENCY EXIT SIGN ON RT SIDE NEAR TAILCONE INOPERATIVE. MX R & R THE BATTERY IN THE POWER SUPPLY. SYSTEM OPS CHECKED GOOD IAW MM 33-53-0.
- [SDR Y2PA20120422018](https://openairdocs.org/sdr/Y2PA20120422018.md): Power Supply · inoperative · Apr 22, 2012 · N934US · Doug DC934 · Emergency Lighting
  > CABIN CEILING AND AFT F/A STATION EMERGENCY LIGHTS INOPERATIVE. MX R & R THE EMERGENCY EXIT POWER SUPPLY. SYSTEM OPS CHECKED GOOD IAW MM 33-50-0.
- [SDR Y2PA20120422017](https://openairdocs.org/sdr/Y2PA20120422017.md): Power Supply · inoperative · Apr 22, 2012 · N934US · Doug DC934 · Emergency Lighting
  > AFT OVER WING EMERGENCY EXIT LIGHTS INOPERATIVE. MX R & R THE EMERGENCY EXIT POWER SUPPLY. OPS CHECKED GOOD IAW MM 33-53-0.
- [SDR Y2PA2011092000023](https://openairdocs.org/sdr/Y2PA2011092000023.md): Battery Pack · discharged · Sep 17, 2011 · N934US · Doug DC934 · Emergency Lighting
  > FORWARD AND MID SECTION EMERGENCY LIGHTS FOUND INOPERATIVE DURING INSPECTION. MX R & R EMERGENCY LIGHTING POWER PACKS AT 7 EACH POSITIONS IAW AMM 33-53-00. OPS CHECKED GOOD.
- [SDR Y2PA2010112400031](https://openairdocs.org/sdr/Y2PA2010112400031.md): Battery · discharged · Nov 20, 2010 · N934US · Doug DC934 · Emergency Lighting
  > ROW 12, LT & RT EMERGENCY EXIT SIGN FWD OF OVERWING HATCH IS INOPERATIVE. DISCREPANCY FOUND DURING SERVICE CHECK. MX RECHARGED THE BATTERY SUPPLY. SYS OPERATIONALLY CHECKED GOOD IAW THE MM 33-53-0. ACFT RETURNED TO SERVICE.
- [SDR Y2PA2009051400002](https://openairdocs.org/sdr/Y2PA2009051400002.md): Pump · inoperative · May 14, 2009 · N934US · Doug DC934 · Hydraulic Pump (Electric/Engine), Main
  > DURING CLIMBOUT, RT ENGINE DRIVEN HYD PUMP PRESSURE DROPPED (INDICATED) "0" PRESSURE. (LT SYS NORMAL) PERFORMED COM PROCEDURE - RESTORED RT SYS PRESSURE WITH "AUX" PUMP. AT 18,000 FT APPROACH CHECKLIST ALTITUDE, DECLARED AN EMERGENCY WITH APPROACH AS A PREC
- [SDR TWAA9911101](https://openairdocs.org/sdr/TWAA9911101.md): Cable · failed · Aug 8, 1999 · N936L · Doug DC934 · Emergency Lighting
  > THE FIRST SECTION OF EGRESS LIGHTS IN THE COACH CABIN WERE INOPERATIVE. REPLACED THE FEEDER STRIP. CHECK-C 6-17-98 STL.
- [SDR TWAA9907502](https://openairdocs.org/sdr/TWAA9907502.md): Battery Pack · discharged · May 20, 1999 · N936L · Doug DC934 · Emergency Lighting
  > DURING PREFLIGHT CHECK, ROW 8-20 EGRESS LIGHTS WERE FOUND INOP. THE PROBLEM WAS LOW BATTERY PACKS. TWO PACKS WERE CHANGED. CHECK -C 06-17-98 STL.
- [SDR TWAA9906601](https://openairdocs.org/sdr/TWAA9906601.md): Power Supply · inoperative · May 6, 1999 · N936L · Doug DC934 · Emergency Lighting
  > THE FORWARD OVERHEAD COACH EMERGENCY LIGHTS WERE DIM. REPLACED THE POWER SUPPLY FOR FORWARD OVERHEAD LIGHTS, AND SECURED THE GROUND STUD FOR LIGHT AT ROW 8. CHECK-C 6-17-98 STL.
- [SDR TWAA9819801](https://openairdocs.org/sdr/TWAA9819801.md): Fuel Control · malfunctioned · Dec 14, 1998 · N928L · Doug DC934 · Fuel Control/Turbine Engines
  > THE LEFT ENGINE WOULD NOT RESPOND TO THROTTLE MOVEMENT. THE LT ENGINE WAS SHUT DOWN AND FLIGHT RETURNED TO STL. REPLACED THE JFC, (P/N 743602-4), AND ENGINE FUEL PUMP, (P/N 378200). CHECK-C 3-22-98 STL.
- [SDR TWAA9816102](https://openairdocs.org/sdr/TWAA9816102.md): Duct · failed · Oct 5, 1998 · N936L · Doug DC934 · Humidity Control System
  > COULD NOT MAINTAIN CABIN PRESSURIZATION AT ALTITUDE. DESCENDED TO 10,000 FT AND PRESSURIZATION NORMAL FOR REMAINDER OF FLIGHT. REPLACED THE LEFT WATER SEPARATOR DUCT. CHECK-C 6-17-98 STL.
- [SDR TWAA9815001](https://openairdocs.org/sdr/TWAA9815001.md): Actuator · worn · Sep 16, 1998 · N927L · Doug DC934 · Landing Gear Actuator
  > NOSE GEAR RED UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. RECYCLED LANDING GEAR, NO HELP. RETURNED TO STL. REPLACED THE NLG RETRACT ACTUATOR. CHECK-C 1-4-98 STL.
- [SDR TWAA9813901](https://openairdocs.org/sdr/TWAA9813901.md): Tube · failed · Aug 27, 1998 · N927L · Doug DC934 · Turbine Engine Oil System
  > ENGINE OIL PRESSURE AND QUANTITY DROPPED. LOW OIL PRESSURE LIGHT CAME ON. SHUT DOWN ENGINE, DECLARED AN EMERGENCY AND MADE UNSCHEDULED LANDING AT IND. NR 6 OIL BEARING LINE IN THE TAIL HAD FAILED. REPLACED LINE. CHECK-C 1-4-98 STL.
- [SDR TWAA9812401](https://openairdocs.org/sdr/TWAA9812401.md): Battery Pack · discharged · Jul 30, 1998 · N928L · Doug DC934 · Emergency Lighting
  > EMERGENCY EGRESS LIGHTS IN CABIN FLOOR WERE ILLUMINATED ALL THE TIME WITH THE SWITCH IN THE ARMED POSITION. REPLACED NR 4 BATTERY PACK FOR EMERGENCY LIGHTS. CHECK-C 3-22-98 STL.
- [SDR TWAA9810702](https://openairdocs.org/sdr/TWAA9810702.md): Battery · discharged · Jul 5, 1998 · N928L · Doug DC934 · Emergency Lighting
  > STL - FLT 655 - EMERGENCY FLOOR LIGHTING INTERMITTENTLY ON DURING FLIGHT, ROW 9 AND AFT. CHARGED EGRESS POWER SUPPLY BATTERIES. CHECK-C 3-22-98 STL. (X)
- [SDR TWAA9810701](https://openairdocs.org/sdr/TWAA9810701.md): Connector · loose · Jul 5, 1998 · N928L · Doug DC934 · Emergency Lighting
  > DFW - FLT 655 - THE ESCAPE PATH LIGHTS, ROW 10 TO ROW 14, ILLUMINATED DURING FLIGHT. RE-SEATED CANNON PLUG ON BATTERY PACK. CHECK-C 3-22-98 STL. (X)
- [SDR TWAA9810601](https://openairdocs.org/sdr/TWAA9810601.md): Light · inoperative · Jul 5, 1998 · N928L · Doug DC934 · Emergency Lighting
  > STL - FLT 655 - AFT THIRD OF CABIN FLOOR ESCAPE PATH LIGHT INTERMITTENTLY CAME ON IN FLIGHT. RESEATED RIBBON ON FLOOR ESCAPE LIGHTS. CHECK-C 3-22-98 STL. (M)
- [SDR TWAA9806801](https://openairdocs.org/sdr/TWAA9806801.md): Computer · worn · Apr 30, 1998 · N928L · Doug DC934 · Rudder Control System
  > FLT 732 - CREW REPORTED VERY LITTLE RUDDER CONTROL AFTER TAKEOFF. THE NOSE WOULD HUNT BOTH SIDES. TURNED STAB AUG OFF WITH NO HELP. RETURNED TO STL. REPLACED THE STAB AUGMENTATION COMPUTER. (M)
- [SDR TWAA9803003](https://openairdocs.org/sdr/TWAA9803003.md): Wire · broken · Mar 2, 1998 · N927L · Doug DC934 · Light System Wiring
  > STL - FLT 433 - A BURNING SMELL WAS DETECTED IN REAR OF CABIN AT 300 FT AGL. REPAIRED BROKEN WIRE AT WIRE BUNDLE FOR LIGHTING BALLAST, ROW 19 RT SIDE. (M)
- [SDR TWAA9801901](https://openairdocs.org/sdr/TWAA9801901.md): Latch Assy · worn · Feb 5, 1998 · N927L · Doug DC934 · Landing Gear Retraction/Extension System
  > STL - FLT 372 - ON GEAR RETRACTION, LEFT GEAR UNSAFE LIGHT REMAINED ON. RECYCLED GEAR AND NOSE GEAR UNSAFE LIGHT REMAINED ON BUT MAIN GEAR INDICATION NORMAL. PLACED GEAR HANDLE DOWN AND NORMAL INDICATION. RETURNED TO STL. REPLACED MAINTENANCE BYPASS HANDLE
- [SDR TWAA9714501](https://openairdocs.org/sdr/TWAA9714501.md): Doubler · cracked · Dec 5, 1997 · N936L · Doug DC934 · Fuselage Miscellaneous Structure
  > STL - DURING LAYOVER, MAINTENANCE FOUND.50 INCH CRACK IN DOUBLER NR 5910130-13 AT L1 DOOR UPPER AFT DOOR JAMB. REPAIRED PER ENGINEERING MAINTENANCE LIASION RECORD 65780 AND INSTALLED FASTENERS PER SRM 51-30-5. OP-15. 04/01-97. MCI. TOT. TIME: 46,511 HO
- [SDR TWAA9712802](https://openairdocs.org/sdr/TWAA9712802.md): Power Supply · inoperative · Oct 29, 1997 · N928L · Doug DC934 · Emergency Lighting
  > STL - FLT 95 - DURING ROUTINE MAINTENANCE, THE TAIL CONE ESCAPE PATH LIGHTING WAS INOPERATIVE. REMOVED AND REPLACED THE POWER SUPPLY MFG P/N 5820-1 MANUFACTURED BY LUMINESCENT SYSTEMS. OPERATIONAL CHECK NORMAL. (M)
- [SDR TWAA9780001](https://openairdocs.org/sdr/TWAA9780001.md): Clamps · loose · Jul 17, 1997 · N928L · Doug DC934 · Pneumatic Distribution System
  > STL - FLT 467 - SHORTLY AFTER TAKEOFF, TAIL COMPARTMENT HIGH TEMPERATURE LIGHT ILLUMINATED. RE-TORQUED LOOSE CLAMPS ON THE AUGUMENTATION VALVE. OPS CHECK NORMAL. OP-16 - 12-31-96 - DAL. (X)
- [SDR TWAA9757001](https://openairdocs.org/sdr/TWAA9757001.md): Schrader Valve · leaking · May 8, 1997 · N927L · Doug DC934 · Nose/Tail Landing Gear Strut/Axle
  > FLT 771 - STL - DURING CLIMB, NOSE GEAR FAILED TO RETRACT DUE TO LEAKING SHRADER VALVE. REMOVED AND REPLACED SCHRADER VALVE AND STRUT INFLATED PER CHART. OPS CHECK NORMAL. (M)
- [SDR TWAA9806006](https://openairdocs.org/sdr/TWAA9806006.md): Pan · cracked · Mar 27, 1997 · N936L · Doug DC934 · Cargo/Baggage Doors
  > MCI - DURING OP 15 MAINTENANCE CHECK, FOUND THE AFT CARGO COMPT DOOR WITH 2 CRACKS IN DOOR PAN AT FWD LOWER DOOR PRESSURE STOP. FIRST CRACK WAS.5 INCH LONG IN RADIUS OF PAN, AND SECOND.5 INCH LONG IN PAN LIP. INSTALLED DOUBLER PER ARA 11688. (M)
- [SDR TWAA9806005](https://openairdocs.org/sdr/TWAA9806005.md): Pan · cracked · Mar 27, 1997 · N936L · Doug DC934 · Cargo/Baggage Doors
  > MCI - DURING OP 15 MAINTENANCE CHECK, FOUND AFT CARGO COMPT DOOR WITH A CRACK AND TEAR IN INNER PAN AND SEAL PAN AT FWD LOCK INTO PAN RADIUS. INSTALLED DOUBLER PER ARA 11688. (M)
- [SDR TWAA9805508](https://openairdocs.org/sdr/TWAA9805508.md): Skin · cracked · Mar 27, 1997 · N936L · Doug DC934 · Fuselage Main, Plate/Skin
  > MCI - DURING OP 15 MAINTENANCE CHECK, FOUND CABIN AFT LAV SKIN CRACKED AT RIVET LOCATED 6 INCHES FORWARD OF STATION 996, AND 2 IN BELOW LONGERON 15R. TWO EACH CRACKS. REPAIRED WITH TITANIUM DOUBLER PER SRM 53-04-41. (M)
- [SDR TWAA9805502](https://openairdocs.org/sdr/TWAA9805502.md): Skin · corroded · Mar 27, 1997 · N936L · Doug DC934 · Fuselage Main, Plate/Skin
  > MCI - DURING OP 15 MAINTENANCE CHECK, FOUND AFT LOWER FUSELAGE SKIN BULGED AND RIVET HEADS POPPED AND PULLED FORWARD OF FS 996 LONGERON 27L. REMOVED CORROSION PER SRM 51-10-3 PARA 31-42. REPLACED LONGERON END PER SRM 53-02 IFG 2A PAGE 3, 51-30-0 AND 51-30-02
- [SDR TWAA9805501](https://openairdocs.org/sdr/TWAA9805501.md): Skin · corroded · Mar 27, 1997 · N936L · Doug DC934 · Fuselage Main, Plate/Skin
  > MCI - DURING OP 15 MAINTENANCE CHECK, FOUND THE AFT LOWER FUSELAGE SKIN BULGED AND RIVET HEADS POPPED AND PULLED FORWARD OF FS 996, LONGERON 28L. REMOVED CORROSION PER SRM 53-10-3 PARA 31-42. REPLACED LONGERON END PER SRM 53-02 FIG 2A PAGE 3, 51-30-0 AND 51-
- [SDR TWAA9710003](https://openairdocs.org/sdr/TWAA9710003.md): Actuator · slow · Feb 17, 1997 · N928L · Doug DC934 · Landing Gear Actuator
  > STL - FLT 647 - DURING CLIMB FOLLOWING GEAR RETRACTION, THE NOSE GEAR WAS SLOW TO RETRACT. REMOVED AND REPLACED THE NOSE GEAR RETRACT ACTUATOR, MFG P/N 3914738-5001, MANUFACTURED BY DOUGLAS AIRCRAFT COMPANY. OPERATIONAL CHECK NORMAL. (M)
- [SDR TWAA9614401](https://openairdocs.org/sdr/TWAA9614401.md): Power Supply · inoperative · Nov 21, 1996 · N936L · Doug DC934 · Emergency Lighting
  > STL - FLT 459 - DURING PRE-FLIGHT, FOUND EGRESS LIGHTS INOPERATIVE AT SEAT ROWS 10 TO 15. FOUND MALFUNCTIONING POWER SUPPLY, MFG PN 5822-2. REPLACED POWER SUPPLY. EGRESS LIGHTS OPERATION THEN CHECKED NORMAL. CHECK C - 4-10-96 - STL. (X)
- [SDR 96ZZZM1205](https://openairdocs.org/sdr/96ZZZM1205.md): Power Supply · inoperative · Jul 8, 1996 · N927L · Doug DC934 · Emergency Lighting
  > STL - DURING CRUISE EGRESS LIGHTS AT ROWS 8-12 ILLUMINATED. REMOVED AND REPLACED POWER SUPPLY, MFG P/N 5822-2. OPERATIONAL CHECK NORMAL. (M)
- [SDR 96ZZZM1196](https://openairdocs.org/sdr/96ZZZM1196.md): Seat Track · corroded · Jul 8, 1996 · N936L · Doug DC934 · Fuselage, Seat/Cargo Attach Fittings
  > STL - DURING OP-19, FOUND CORROSION ON LEFT INBOARD SEAT TRACK, STATION 200-206. REPLACED SEAT TRACK PER SRM 53-03, PAGE 10G, SHEET 1, FIGURE 4F. (M)
- [SDR 96ZZZM906](https://openairdocs.org/sdr/96ZZZM906.md): Battery Pack · discharged · Apr 15, 1996 · N936L · Doug DC934 · Emergency Lighting
  > STL - FLT 501 - DURING CRUISE EMERGENCY EGRESS LIGHT ILLUMINATED. REMOVED AND REPLACED BATTERY PACK, MFG P/N 5822-2, OPERATIONAL CHECK NORMAL. (M)
- [SDR 95ZZZM381](https://openairdocs.org/sdr/95ZZZM381.md): Eel Cable · failed · Aug 10, 1995 · N936L · Doug DC934 · Emergency Lighting
  > STL - DURING CRUISE, EGRESS LIGHTS, FROM SEAT ROW 8 TO ROW 14, CAME ON. CYCLED EMERGENCY LIGHT SWITCH TO OFF, TO ARMED, EXTINGUISHED LIGHTS. FOUND OPEN FEEDER CABLE, MFG P/N 5853-1. REPLACED FEEDER CABLE AND LIGHT OPERATION CHECKED NORMAL. (M)
- [SDR 95ZZZM294](https://openairdocs.org/sdr/95ZZZM294.md): Fuel Control · failed · Jul 23, 1995 · N928L · Doug DC934 · Fuel Control/Turbine Engines
  > DURING DESCENT SHUT DOWN RIGHT ENGINE, S/N 1605, DUE TO ENGINE DID NOT REDUCE TO IDLE WHEN THRUST LEVER WAS MOVED TO IDLE POSITION. FOUND FUEL CONTROL HAD INTERNAL MALFUNCTION. REPLACED FUEL CONTROL, MFG P/N 743602-5. ENGINE OPERATION CHECKED NORMAL. ENGIN
- [SDR 95ZZZW222](https://openairdocs.org/sdr/95ZZZW222.md): Door Jamb · cracked · Feb 3, 1995 · N936L · Doug DC934 · Fuselage Main, Bulkhead
  > STL - DURING C-CHECK, FOND A.875 INCH CRACK IN UPPER LEFT CORNER OF AFT PRESSURE BULKHEAD PASSENGER DOOR JAMB. STOP DRILLED CRACK AND REPAIRED PER S/B 53-137. TOTAL CYCLES 29,619.

## 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 aircraft_model_key = 'DC934'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/mcdonnell-douglas-dc-9-34/reports

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