# Service difficulty reports: N939DN, cancelled Aug 25, 2020

A list on [N939DN, cancelled Aug 25, 2020](https://openairdocs.org/deregistered/N939DN-2020-08-25.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR DALA2018082105170](https://openairdocs.org/sdr/DALA2018082105170.md): Smoke Detector · false activation · Aug 21, 2018 · N939DN · Doug MD9030 · Smoke Detection
  > AT TOP OF DESCENT, CARGO SMOKE LIGHT ILLUMINATED WITH MASTER CAUTION LIGHT. LIGHT WENT OUT IN LESS THAN 20 SECONDS. NO OTHER LIGHTS OR AURAL INDICATIONS. PERFORMED A VISUAL INSPECTION OF CARGO SMOKE DETECTORS AND PERFORMED TEST OF THE DETECTION SYS IAW AMM
- [SDR DALA201805153108](https://openairdocs.org/sdr/DALA201805153108.md): Switch · failed · May 6, 2018 · N939DN · Doug MD9030 · Landing Gear Position and Warning
  > DURING APPROACH, ALL 3 LANDING GEAR INDICATIONS RED, UNSAFE LIGHTS ILLUMINATED. RAN CHECKLIST, EMERGENCY EXTENDED THE LANDING GEAR DOORS. ALL LANDING GEAR DOOR INDICATIONS GREEN. TAXIED SAFELY AT GATE. REPLACED THE LANDING GEAR LEVER SWITCH S1-89. PERFOR
- [SDR DALA2017122108844](https://openairdocs.org/sdr/DALA2017122108844.md): Spade Door · worn · Dec 20, 2017 · N939DN · Doug MD9030 · Aerodynamic Fairings
  > TAIL CONE UPPER LEFT LOCKING SPADE WORN. REMOVED AND REPLACED TAILCONE LATCH PER MM. OPERATION CHECKS OKAY.
- [SDR DALA2017050103511](https://openairdocs.org/sdr/DALA2017050103511.md): Door · damaged · Apr 25, 2017 · N939DN · Doug MD9030 · Cargo/Baggage Doors
  > AFT CARGO DOOR HAS SEVERE DAMAGE AT FORWARD STOP LATCH AREA. REMOVED AND REPLACED DOOR IAW MM. (LP# 2991396)
- [SDR DALA2017050103510](https://openairdocs.org/sdr/DALA2017050103510.md): Tail Cone · no test · Apr 25, 2017 · N939DN · Doug MD9030 · Aerodynamic Fairings
  > TAILCONE FAILED TEST DROP DUE TO EXCESSIVE FORCE REQUIRED. MAINTENANCE COMPLETED.
- [SDR DALA2017050103509](https://openairdocs.org/sdr/DALA2017050103509.md): Lanyard · damaged · Apr 25, 2017 · N939DN · Doug MD9030 · Aerodynamic Fairings
  > TAIL CONE LANYARD WITH BOX IN POOR CONDITION. MAINTENANCE COMPLETE.
- [SDR DALA2017042403342](https://openairdocs.org/sdr/DALA2017042403342.md): Seat Track · corroded · Apr 20, 2017 · N939DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK UNDER THE F307 GALLEY HAS CORROSION AND EXFOLIATION. INSTALLED NEW SEAT TRACK IAW SRM 53-40-01.
- [SDR DALA2017042403341](https://openairdocs.org/sdr/DALA2017042403341.md): Seat Track · corroded · Apr 20, 2017 · N939DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON LEFT SEAT TRACK, X=44.50 BETWEEN STA 220 AND 256. INSTALLED SEAT TRACK IAW SRM 53-40-01> (LP# 2983395)
- [SDR DALA2017041903233](https://openairdocs.org/sdr/DALA2017041903233.md): Bulkhead · cracked · Apr 17, 2017 · N939DN · Doug MD9030 · Fuselage Main, Bulkhead
  > CANTED BULKHEAD, STA 1520, WEB CRACKED BETWEEN L9L - L7L. REPAIRED IAW SRM 53-10-03.
- [SDR DALA2016081706063](https://openairdocs.org/sdr/DALA2016081706063.md): Battery Pack · inoperative · Aug 7, 2016 · N939DN · Doug MD9030 · Emergency Lighting
  > ONE TAIL COMPARTMENT EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED B5-239 BATTERY PACK AND POWER SUPPLY. OPS CHECKED GOOD.
- [SDR DALA2016080305747](https://openairdocs.org/sdr/DALA2016080305747.md): Coffeemaker · odor · Jul 30, 2016 · N939DN · Doug MD9030 · Buffet/Galleys
  > ACFT HAD A SMOKE AND FUME EVENT. FLIGHT ATTENDANT REPORTED A HOT RUBBER ODOR IN FORWARD GALLEY INTO FIRST CLASS AT CRUISE AND DURING DESCENT. A SLIGHT HAZE NOTED IN FIRST CLASS. MAINTENANCE TROUBLESHOT AND FOUND COFFEEMAKER CIRCUIT BREAKERS TRIPPED AND FOUN
- [SDR DALA2016051603985](https://openairdocs.org/sdr/DALA2016051603985.md): Oven · smoke · May 12, 2016 · N939DN · Doug MD9030 · Buffet/Galleys
  > RETURN TO BLOCK DUE TO, ON TAXI OUT, F/A ADVISED A SMOKE ODOR FROM FIRST CLASS OVEN AFTER BEING TURNED ON. FAINT BURNED ODOR OF FOOD RESIDUE IN COCKPIT. MAINTENANCE VERIFIED SMOKE ODOR CAME FROM FIRST CLASS OVEN. INSPECTED OVEN, NO FURTHER DAMAGE OR SMOKE NOT
- [SDR DALA2016050503775](https://openairdocs.org/sdr/DALA2016050503775.md): Skin · cracked · May 4, 2016 · N939DN · Doug MD9030 · Horizontal Stabilizer, Plate/Skin
  > RIGHT UPPER AFT SKIN PANEL, HAS A CRACK INDICATION. FOUND TO BE SURFACE CRACK. COMPLIED WITH ERA 546635-14AD.
- [SDR DALA2016012600646](https://openairdocs.org/sdr/DALA2016012600646.md): Attach Fitting · damaged · Jan 25, 2016 · N939DN · Doug MD9030 · Horizontal Stabilizer, Attach Fittings
  > HORIZONTAL STABILIZER FITTING BUSHING FOR JACK SCREW ATTACH BOLTS AND SLEEVES FOUND DAMAGED. REMOVED BUSHING AND CLEANED BORES IAW SWG 9911846. REAMED BUSHINGS TO FIT.
- [SDR DALA2016012600645](https://openairdocs.org/sdr/DALA2016012600645.md): Bushing · scored · Jan 22, 2016 · N939DN · Doug MD9030 · Vertical Stabilizer
  > VERTICAL STABILIZER GIMBAL PIN BUSHINGS SCORED. REMOVED, CLEANED BORES AND REINSTALLED BUSHINGS IAW B-50PM 20-10-7.
- [SDR DALA2016011200226](https://openairdocs.org/sdr/DALA2016011200226.md): Battery Pack · inoperative · Jan 7, 2016 · N939DN · Doug MD9030 · Emergency Lighting
  > BOTH EMERGENCY EXIT SIGNS INOPERATIVE AT FORWARD LT AND RT ENTRY DOORS. R & R BATTERY PACKS IAW MM. OPERATION CHECKS OK.
- [SDR DALA2015050503062](https://openairdocs.org/sdr/DALA2015050503062.md): Skin · cracked · May 1, 2015 · N939DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > SKIN CRACK THRU RIVET, STA 1475. FABRICATED AND INSTALLED DOUBLER AND TRIPLER IAW SRM 53-30-01. LP 1928007.
- [SDR DALA2015050203057](https://openairdocs.org/sdr/DALA2015050203057.md): Doubler · cracked · May 1, 2015 · N939DN · Doug MD9030 · Vertical Stabilizer, Spar/Rib
  > DOUBLER CRACKED AT LT AND RT SIDES OF VERTICAL L/E ATTACH AREA JUST FORWARD OF RAM AIR SCOOP. INSTALLED NEW DOUBLER IAW DWG 5910242. LP 1928413.
- [SDR DALA2015012800682](https://openairdocs.org/sdr/DALA2015012800682.md): Starter · failed · Jan 26, 2015 · N939DN · Doug MD9030 · APU Start/Ignition System
  > REPORTED ELECTRICAL ODOR IN CABIN DURING PUSHBACK. MAINTENANCE FOUND APU STARTER ON FIRE. MAINTENANCE PUT OUT FIRE WITH PORTABLE FIRE EXTINGUISHER, PULLED AND COLLARED APU CONTROL AND STARTER CIRCUIT BREAKERS. APU REMOVED AND COMPARTMENT CLEANED. APU, LT A
- [SDR DALA2014081804590](https://openairdocs.org/sdr/DALA2014081804590.md): Slide · low pressure · Aug 16, 2014 · N939DN · Doug MD9030 · Escape Slide
  > L2 DOOR EMERGENCY SLIDE NOT IN GREEN. R & R L2 DOOR SLIDE.
- [SDR DALA2014072104169](https://openairdocs.org/sdr/DALA2014072104169.md): Battery Pack · inoperative · Jul 20, 2014 · N939DN · Doug MD9030 · Emergency Lighting
  > THREE EMERGENCY CEILING LIGHTS AT ROW 14 INOPERATIVE. R & R BATTERY PACK. OPS CHECKED NORMAL.
- [SDR DALA2014072104172](https://openairdocs.org/sdr/DALA2014072104172.md): Light · inoperative · Jul 19, 2014 · N939DN · Doug MD9030 · Emergency Lighting
  > LEFT SIDE OVERWING EMERGENCY LIGHT INOPERATIVE. R & R LIGHT ASSEMBLY. OPS CHECKED GOOD.
- [SDR DALA13064929239](https://openairdocs.org/sdr/DALA13064929239.md): Pin · unsecure · Nov 26, 2013 · N939DN · Doug MD9030 · Escape Slide
  > L1 DOOR SLIDE PIN CAME OUT. MAINTENANCE R & R L1 DOOR SLIDE IAW AMDS CARD 2500-4332.
- [SDR DALA13059219239](https://openairdocs.org/sdr/DALA13059219239.md): Lanyard · frayed · Nov 6, 2013 · N939DN · Doug MD9030 · Escape Slide
  > DURING SERVICE CHECK, R1 DOOR SLIDE LANYARD WAS FOUND FRAYED. MAINTENANCE REMOVED AND REPLACED R1 DOOR SLIDE LANYARD IAW AMM.
- [SDR DALA13053349239](https://openairdocs.org/sdr/DALA13053349239.md): Wire Harness · shorted · Oct 17, 2013 · N939DN · Doug MD9030 · Communications System Wiring
  > DIVERTED DUE TO SMOKE IN THE CABIN. DECLARED AN EMERGENCY. L1 DOOR F/A HANDSET WAS OVERHEATING AND STARTING TO SMOKE. MX FOUND FORWARD F/A HANDSET WIRE SHORTED. R & R MID CABIN HANDSET IAW AMM. OPS CHECKED NORMAL.
- [SDR DALA13039019239](https://openairdocs.org/sdr/DALA13039019239.md): Connector · disconnected · Aug 12, 2013 · N939DN · Doug MD9030 · Light System Wiring
  > DURING SERVICE CHECK, TAIL COMPARTMENT EMERGENCY LIGHTS ALONG CATWALK INOPERATIVE. FOUND CATWALK LIGHT ASSEMBLIES UNPLUGGED. RECONNECTED. OPERATION CHECKS GOOD.
- [SDR DALA13034309239](https://openairdocs.org/sdr/DALA13034309239.md): Skin · damaged · Jul 11, 2013 · N939DN · Doug MD9030 · Passenger/Crew Doors
  > L1 DOOR LOWER FORWARD OUTER SKIN DAMAGED. RETURNED TO ORIGINAL CONTOUR AND INSPECTED DOOR HINGES AND HARDWARD. NO DAMAGE TO HARDWARE OR HINGES. NO CRACKS OR FASTENERS DAMAGED. WORK DONE IAW SRM 52-01-01.
- [SDR DALA13018599239](https://openairdocs.org/sdr/DALA13018599239.md): Cable · frayed · Apr 23, 2013 · N939DN · Doug MD9030 · Passenger/Crew Doors
  > L1 DOOR SLIDE COVER LATCH ASSY HAS FRAYED CABLE. R & R L1 DOOR SLIDE COVER LATCH ASSY IAW AMM.
- [SDR DALA13018129239](https://openairdocs.org/sdr/DALA13018129239.md): Spar Cap · damaged · Apr 18, 2013 · N939DN · Doug MD9030 · Vertical Stabilizer, Spar/Rib
  > RT SIDE VERTICAL STAB SPAR CAP 7.5" BELOW ZFS=52.267 HAS 1EA ELONGATED HOLE. REPAIR VERTICAL STAB SPAR CAP RT SIDE AT ZFS 45.6 IAW ERA 504840-14AD, REV ORIGINAL.
- [SDR DALA13017619239](https://openairdocs.org/sdr/DALA13017619239.md): Support Fitting · corroded · Apr 17, 2013 · N939DN · Doug MD9030 · Fuselage, Landing Gear Attach Fittings
  > RT MLG SUPPORT FITTING BEARING BORE SHOWS CORROSION. REAMED INBD RT MLG SUPPORT FITTING BORE TO 2.345" IN DIAMETER IAW AMDS CARD 5742-01025-02 AND DWG SR09570087. PERFORMED HFEC INSPECTION AT RT MLG SUPPORT FITTING BORE IAW NDTSPM PART 6, 06-10-01. NO DEF
- [SDR DALA13017629239](https://openairdocs.org/sdr/DALA13017629239.md): Fitting · corroded · Apr 16, 2013 · N939DN · Doug MD9030 · Rudder/Tab, Attach Fittings
  > RUDDER LOWER MOUNT FITTING BEARING BORE HAS SEVERAL AREAS OF CORROSION. R & R RUDDER LOWER MOUNTING FITTING BEARING BORE IAW SRM 51-10-03, VOL II. ADJUSTED AND PERFORMED FUNCTIONAL TEST. CHECKED GOOD.
- [SDR DALA13014489239](https://openairdocs.org/sdr/DALA13014489239.md): Strip · corroded · Mar 29, 2013 · N939DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > RT SIDE FUSELAGE EXTERIOR. ON REMOVAL OF DISBONDED STRIP FOUND CORROSION BETWEEN LONGERON 28 -29R, AT BS 1155 - 1165. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS. FABRICATED, TREATED, PRIMED AND INSTALLED DOUBLER AND FILLERS IAW SRM 53-30-01, PARA 2, FIG 9
- [SDR DALA13016929239](https://openairdocs.org/sdr/DALA13016929239.md): Beam · cracked · Mar 27, 2013 · N939DN · Doug MD9030 · Passenger/Crew Doors
  > FORWARD BOTTOM ENTRY CORNER OF THE FIRST BEAM FROM THE TOP OF THE MAIN DOOR HAS A CRACK PAST THE STOP DRILL (DOOR INTERIOR STRUCTURE). R & R L-1 DOOR NR 1 BEAM IAW SRM 51-30-05, 51- 30-01 & 51-30-02 VOL II AND DWG NR 5910081.
- [SDR DALA13015999239](https://openairdocs.org/sdr/DALA13015999239.md): Skin · dented · Mar 25, 2013 · N939DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > EXTERIOR FUSELAGE LT SIDE SKIN, ONE DENT BETWEEN LONGERON 27L AND LONGERON 28L AT BS 1316. CUT OUT DAMAGED AREA IAW SRM 53-31-03, FIG 3, VOL I. FABRICATED REPAIR, IDENTIFIED AND INSTALLED.
- [SDR DALA13013189239](https://openairdocs.org/sdr/DALA13013189239.md): Beam · corroded · Feb 24, 2013 · N939DN · Doug MD9030 · Fuselage Main, Structure
  > AFT CARGO DOOR JAM LOWER BEAM IS CORRODED IN SEVERAL PLACES. MARKED DOT NR 89-02 NR0170 - REMOVED CORROSION AT AFT CARGO DOOR JAM LWR BEAM, ORIG MAT 0.280", MAT LOSS 0.084", MAT REMAINING 0.196, FOUND TO BE OUT OF LIMITS, FABRICATED NEW DOUBLER USING SA0952
- [SDR DALA13016019239](https://openairdocs.org/sdr/DALA13016019239.md): Cable · corroded · Feb 19, 2013 · N939DN · Doug MD9030 · Fuselage Structure (General)
  > THREE CABLE ENDS CONNECTING TO LOCKING CABLE YOKE, LT SIDE AFT ACCESSORY COMPARTMENT, FS CANT Y 1567.895 HAVE CORROSION. R & R CABLE ENDS THAT CONNECT TO THE LOCKING CABLE YOKE LOCATED AT LEFT HAND SIDE OF THE AFT ACCESSORY COMPARTMENT.

## 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 = 'N939DN' AND deregistration_id = 'N939DN-2020-08-25'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N939DN-2020-08-25/reports

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