# Service difficulty reports: N944DN, cancelled Nov 30, 2022

A list on [N944DN, cancelled Nov 30, 2022](https://openairdocs.org/deregistered/N944DN-2022-11-30.md).

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

- [SDR DALA2018030801495](https://openairdocs.org/sdr/DALA2018030801495.md): Spar Cap · cracked · Mar 7, 2018 · N944DN · Doug MD9030 · Horizontal Stabilizer, Spar/Rib
  > WHILE PERFORMING AN OPEN HOLE EDDY CURRENT ON THE LT HORIZONTAL STAB REAR SPAR UPPER CAP, HAD A CRACK INDICATION. CLEANED THE HOLE AND CHECKED IAW NDTSPM 06-10-01.003, CRACK INDICATION RUNS VERTICAL ABOVE HOLE AT 1.750 INCHES FROM AFT FACE. HORIZONTAL STAB WA
- [SDR DALA2018030801492](https://openairdocs.org/sdr/DALA2018030801492.md): Skin · cracked · Mar 7, 2018 · N944DN · Doug MD9030 · Horizontal Stabilizer, Plate/Skin
  > WHILE PERFORMING LOW FREQUENCY EDDY CURRENT INSPECTION OF THE L/H HORIZONTAL STABILIZER UPPER AFT SKIN PANEL IAW AMDS 5510-01073-01, STEP 8, NOTED APPROXIMATELY A.5 INCH CRACK INDICATION NEAR AFT BARREL NUT HOLE. LFEC CONFIRMED CRACK INDICATION. REMOVED AND
- [SDR DALA2018022701209](https://openairdocs.org/sdr/DALA2018022701209.md): Skin · cracked · Feb 24, 2018 · N944DN · Doug MD9030 · Horizontal Stabilizer, Plate/Skin
  > WHILE PERFORMING LOW FREQUENCY EDDY CURRENT INSPECTION OF THE LT HORIZONTAL STABILIZER UPPER AFT SKIN PANEL IAW AMDS CARD 5510-01073-01 STEP 8 NOTED APPROX 0.5" CRACK INDICATION NEAR AFT BARREL NUT HOLES MARKED CRACKED LOCATION LFEC CONFIRMED CRACK.
- [SDR DALA2018022701207](https://openairdocs.org/sdr/DALA2018022701207.md): Spar Cap · cracked · Feb 24, 2018 · N944DN · Doug MD9030 · Horizontal Stabilizer, Spar/Rib
  > WHILE PERFORMING OPEN HOLE EDDY CURRENT INSPECTION OF THE LT HORIZONTAL STAB REAR SPAR UPPER CAP (STEP 11 AMDS CARD 5510-01073-01), A VERTICAL CRACK INDICATION. CLEANED HOLE AND RECHECK IAW NDTSPM 06-10-001-003, CRACK INDICATION RUNS VERTICAL ABOVE HOLE AT 1 3
- [SDR DALA2017081706274](https://openairdocs.org/sdr/DALA2017081706274.md): Power Supply · inoperative · Aug 14, 2017 · N944DN · Doug MD9030 · Emergency Lighting
  > MULTIPLE CATWALK EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY UNIT IAW WDM. OPERATION CHECKS GOOD.
- [SDR DALA2017060404486](https://openairdocs.org/sdr/DALA2017060404486.md): Light · missing · Jun 1, 2017 · N944DN · Doug MD9030 · Emergency Lighting
  > TAIL COMPARTMENT LIGHT MISSING. REPLACED EMERGENCY LIGHT ASSEMBLY IAW MM. OPERATION CHECKS GOOD.
- [SDR DALA2017021701429](https://openairdocs.org/sdr/DALA2017021701429.md): Connector · disconnected · Feb 13, 2017 · N944DN · Doug MD9030 · Light System Wiring
  > EMERGENCY LIGHT FORWARD POSITION ON CATWALK INOPERATIVE. FOUND CONNECTOR UNPLUGGED. RECONNECTED. OPERATION CHECKS GOOD.
- [SDR DALA2017020801052](https://openairdocs.org/sdr/DALA2017020801052.md): Autopilot Sys · malfunctioned · Feb 4, 2017 · N944DN · Doug MD9030 · Autopilot System
  > UNCOMMANDED DESCENT WITH NR 1 AUTOPILOT WHEN SLOWING AIRCRAFT IN VNAV ALT HOLD.
- [SDR DALA2017011800440](https://openairdocs.org/sdr/DALA2017011800440.md): Battery Pack · inoperative · Jan 16, 2017 · N944DN · Doug MD9030 · Emergency Lighting
  > EMERGENCY LIGHT ABOVE THE AFT CABIN DOOR IS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK IAW MM.
- [SDR DALA2017010300061](https://openairdocs.org/sdr/DALA2017010300061.md): Light · unsecure · Jan 1, 2017 · N944DN · Doug MD9030 · Emergency Lighting
  > EMERGENCY FLOOR LIGHTING DAMAGED OR INOPERATIVE. SECURED FLOOR LIGHTING. OPERATION CHECKS OK.
- [SDR DALA2016120809734](https://openairdocs.org/sdr/DALA2016120809734.md): Skin · cracked · Dec 7, 2016 · N944DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN, BS 1475 BETWEEN L2 AND 1L IS CRACKED. ACCOMPLISHED A REPAIR IAW SRM 53-30-01.
- [SDR DALA2016120809733](https://openairdocs.org/sdr/DALA2016120809733.md): Attach Angle · cracked · Dec 7, 2016 · N944DN · Doug MD9030 · Vertical Stabilizer
  > RIGHT INTERNAL VERTICAL STABILIZER ATTACH ANGLE IS CRACKED. REMOVED AND REPLACED THE ATTACH ANGLE IAW SRM 551-30-02 AND DWG 5912188, REV BD.
- [SDR DALA2016120709732](https://openairdocs.org/sdr/DALA2016120709732.md): Web · corroded · Dec 6, 2016 · N944DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > MAIN CABIN FORWARD WET AREA WEB, BS 205-210, RBL 22 CORRODED. FOUND OUT OF LIMITS. REPAIRED IAW SRM 53-20-02 AND ERA 551874-14.
- [SDR DALA2016120709731](https://openairdocs.org/sdr/DALA2016120709731.md): Web · corroded · Dec 6, 2016 · N944DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > CORROSION ON FORWARD WET AREA FLOOR MEMBRANE, BS 160-200, RBL 7 - LBL 7. FOUND OUT OF LIMITS. REPAIRED IAW SRM 53-20-02 AND ERA 551875-14, REV O.
- [SDR DALA2016120609730](https://openairdocs.org/sdr/DALA2016120609730.md): Floorbeam · corroded · Dec 5, 2016 · N944DN · Doug MD9030 · Fuselage Main, Floor Beam
  > MAIN CABIN FORWARD WET AREA FLOORBEAM CORRODED, BS 200 RBL 20-28. FOUND OUT OF LIMITS. REMOVED, FABRICATED AND INSTALLED FLOORBEAM IAW SRM 53-10-01, 51-30-02 AND DWG 9936535, REV CS.
- [SDR DALA2016120609729](https://openairdocs.org/sdr/DALA2016120609729.md): Floor Support · corroded · Dec 5, 2016 · N944DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > MAIN CABIN FORWARD WET AREA FLOOR SUPPORT CORRODED BETWEEN BS 180 - 200, RBL 44. FOUND OUT OF LIMITS. REMOVED, FABRICATED AND INSTALLED A NEW FLOOR SUPPORT IAW SRM 51-10-05 AND DWG 9936535.
- [SDR DALA2016120609728](https://openairdocs.org/sdr/DALA2016120609728.md): Mount · damaged · Dec 5, 2016 · N944DN · Doug MD9030 · Fuselage Main, Attach Fittings
  > NR 1 GALLEY LOWER INBOARD AFT FLOOR MOUNT IS DAMAGED AT BS 160, RBL 8. FOUND OUT OF LIMITS. DRILLED NEW MOUNT FITTING IAW SRM 53-00-01 AND DWG STR110A0003, REV A.
- [SDR DALA2016120609739](https://openairdocs.org/sdr/DALA2016120609739.md): Floor Support · corroded · Dec 5, 2016 · N944DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > CORROSION ON FLOOR SUPPORT INBOARD FLANGE AT FORWARD LEFT WET AREA BS 256, LBL 15. FOUND TO BE OUT OF LIMITS. FABRICATED AND INSTALLED FLOOR SUPPORT IAW SRM 53-10-01 AND DWG 9936505.
- [SDR DALA2016120609738](https://openairdocs.org/sdr/DALA2016120609738.md): Floorbeam · corroded · Dec 5, 2016 · N944DN · Doug MD9030 · Fuselage Main, Floor Beam
  > MAIN CABIN FORWARD WET AREA FLOORBEAM CORRODED, BS 180 BETWEEN RBL 12 - 44. FOUND TO BE OUT OF LIMITS. REMOVED, FABRICATED AND INSTALLED NEW FLOORBEAM IAW DWG 9936534 AND SRM 51-30-02 AND 51-10-05.
- [SDR DALA2016120209475](https://openairdocs.org/sdr/DALA2016120209475.md): Skin · corroded · Dec 1, 2016 · N944DN · Doug MD9030 · Wing, Plate/Skin
  > LEFT HAND WING TRAILING EDGE SPAR UPPER SKIN, BETWEEN STA XRS 383 - XRS 240 CORRODED. REMOVED CORROSION. FOUND TO BE OUT OF LIMITS. PERMANENT REPAIR IAW SRM 57-30-01 IAW ERA 551872-14.
- [SDR DALA2016113009474](https://openairdocs.org/sdr/DALA2016113009474.md): Mount Fitting · corroded · Nov 29, 2016 · N944DN · Doug MD9030 · Fuselage, Equipment Attach Fittings
  > CORROSION ON INBOARD AFT MOUNT FOR FORWARD LAV STA 253, LBL 19. OUT OF LIMITS. REMOVED AND REPLACED FITTING IAW SRM 51-30-02 AND 51-10-05.
- [SDR DALA2016111508803](https://openairdocs.org/sdr/DALA2016111508803.md): Unknown · odor · Nov 12, 2016 · N944DN · Doug MD9030 · Air Distribution System
  > ON FINAL APPROACH, ABOUT 300 AGL, FLIGHT ATTENDANT SMELLED A BURNING ODOR LIKE OVERHEATING RUBBER.MAINTENANCE TROUBLESHOT. NO DEFECTS NOTED. PERFORMED PACT BURNOUT.
- [SDR DALA2016060904610](https://openairdocs.org/sdr/DALA2016060904610.md): Unknown · odor · Jun 7, 2016 · N944DN · Doug MD9030 · Air Distribution System
  > WHILE AT GATE WITH APU RUNNING A BURNING ODOR STARTED IN THE AFT CABIN AND MIGRATED TO THE FRONT. CUSTOMERS EXITED THE ACFT NORMALLY. MAINTENANCE TROUBLESHOT AND INSPECTED APU AND APU INLET. NO DEFECTS NOTED. PERFORMED DUCT BURNOUT AND REPLACED COALESCER BA
- [SDR DALA2016032202286](https://openairdocs.org/sdr/DALA2016032202286.md): Starter · damaged · Mar 19, 2016 · N944DN · Doug MD9030 · APU Start/Ignition System
  > AFTER ARRIVAL TO GATE, WITH ENGINES SHUTDOWN, A FEW PASSENGERS COMPLAINED OF A STRONG BURNING METAL ODOR AT THE AFT OF THE AIRCRAFT. FLIGHT CREW DID A WALKAROUND AND NOTED A STRONG BURNING ODOR AND SMOKE COMING FROM APU EXHAUST. MAINTENANCE FOUND THE APU STAR
- [SDR DALA2016020100865](https://openairdocs.org/sdr/DALA2016020100865.md): Motor · overheated · Jan 30, 2016 · N944DN · Doug MD9030 · Stabilizer Position Indicating
  > STABILIZER ALT TRIM MOTOR OVERTEMP BY NR 2. STUCK IN ALT TRIM UP. R & R ALT TRIM MOTOR IAW MM. OPS CHECKS OK.
- [SDR DALA2016013100864](https://openairdocs.org/sdr/DALA2016013100864.md): Lug · cracked · Jan 30, 2016 · N944DN · Doug MD9030 · Horizontal Stabilizer Structure
  > RIGHT HORIZONTAL STABILIZER HINGE RIB PIVOT BEARING LUG SHOWS CRACK IN RADIUS. R & R PIVOT BEARING LUG IAW WC 5510-01083-08.
- [SDR DALA2015110606795](https://openairdocs.org/sdr/DALA2015110606795.md): Battery Pack · inoperative · Nov 5, 2015 · N944DN · Doug MD9030 · Emergency Lighting
  > EMERGENCY LIGHTS, BATTERY PACK B5-237 INOPERATIVE. R & R BATTERY POWER SUPPLY B5-237. CHECKS OK.
- [SDR DALA2015070904278](https://openairdocs.org/sdr/DALA2015070904278.md): Lamp · inoperative · Jul 6, 2015 · N944DN · Doug MD9030 · Emergency Lighting
  > SEVERAL EMERGENCY EXIT LIGHTS WERE INOPERATIVE IN AFT VENTRAL STAIRWAY. REPLACED THE LAMPS. OPS CHECKED OK.
- [SDR DALA2015012300590](https://openairdocs.org/sdr/DALA2015012300590.md): Latch · worn · Jan 21, 2015 · N944DN · Doug MD9030 · Aerodynamic Fairings
  > TAILCONE RELEASE SPADES WORN UPPER RT AND LOWER LT. REMOVED AND INSTALLED NEW LATCH SPADES IAW AMM 53-52-01.
- [SDR DALA2015012300589](https://openairdocs.org/sdr/DALA2015012300589.md): Angle · corroded · Jan 21, 2015 · N944DN · Doug MD9030 · Aerodynamic Fairings
  > LOWER CABLE RELEASE ANGLE PIN CORRODED. R & R THE ANGLE IAW MM 53-52-01.
- [SDR DALA2015012100420](https://openairdocs.org/sdr/DALA2015012100420.md): Attach Angle · cracked · Jan 20, 2015 · N944DN · Doug MD9030 · Fuselage, Stabilizer Attach Fittings
  > RIGHT VERTICAL FIN ATTACH ANGLE DOUBLER, AT FIN AFT SPAR, HAS 2 CRACKS. REPAIRED IAW PRI 510815-14, REV A, SEC II, FINAL ERA 510815-14.
- [SDR DALA2015012000417](https://openairdocs.org/sdr/DALA2015012000417.md): Attach Angle · cracked · Jan 19, 2015 · N944DN · Doug MD9030 · Vertical Stabilizer
  > LEFT INTERNAL VERTICAL STABILIZER ATTACH ANGLE IS CRACKED IN RADIUS. R & R IAW DWG 5912188.
- [SDR DALA2015012100424](https://openairdocs.org/sdr/DALA2015012100424.md): Skin · dented · Jan 17, 2015 · N944DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > FORWARD LEFT FUSELAGE SKIN DENTED AND RIVETS STRESSED, BS 218, L18R. REPAIRED SKIN IAW SRM 53-30-01, FIG 8B.
- [SDR DALA2015012100427](https://openairdocs.org/sdr/DALA2015012100427.md): Attach Angle · cracked · Jan 1, 2015 · N944DN · Doug MD9030 · Fuselage, Stabilizer Attach Fittings
  > LT INTERNAL VERTICAL STABILIZER ATTACH ANGLE IS CRACKED IN RADIUS. REMOVED ANGLE. FABRICATED AND INSTALLED NEW ANGLE IAW DWG 5912188.
- [SDR DALA2014092905310](https://openairdocs.org/sdr/DALA2014092905310.md): Battery Pack · discharged · Sep 27, 2014 · N944DN · Doug MD9030 · Emergency Lighting
  > EMERGENCY LIGHT ON OVERHEAD DROP PANEL ABOVE AFT JUMP SEAT, BLINKING DURING TAXI AND AFT CABIN DOOR EXIT SIGN INOPERATIVE. TROUBLESHOT AND FOUND BATTERY PACK B5-237 LOOSE AND BATTERY DRAINED. R & R BATTERY IAW AMM. OPERATION CHECKED NORMAL.
- [SDR DALA2014090304893](https://openairdocs.org/sdr/DALA2014090304893.md): Battery Pack · inoperative · Sep 1, 2014 · N944DN · Doug MD9030 · Emergency Lighting
  > AFT BULKHEAD EMERGENCY EXIT SIGN WILL NOT TURNOFF WHEN SWITCH IS IN ARM. R & R AFT EMERGENCY LIGHT BATTERY PACK IAW AMM. OPS CHECKED GOOD.
- [SDR DALA13064909244](https://openairdocs.org/sdr/DALA13064909244.md): Battery Pack · inoperative · Nov 25, 2013 · N944DN · Doug MD9030 · Emergency Lighting
  > DURING SERVICE CHECK, SEVERAL EMERGENCY EXIT LIGHTS IN AFT VENTRAL STAIR AREA INOPERATIVE. MAINTENANCE R & R BATTERY PACK. OPS CHECKED NORMAL.
- [SDR DALA13008259244](https://openairdocs.org/sdr/DALA13008259244.md): Harness · misinstalled · Feb 11, 2013 · N944DN · Doug MD9030 · Escape Slide
  > AFT ACCESSORY COMPARTMENT TAILCONE SLIDE HARNESS ASSY INSTALLED INCORRECTLY. INSTALLED TAILCONE SLIDE HARNESS ASSY CORRECTLY IAW AMDS 2500-4332.
- [SDR DALA13003319244](https://openairdocs.org/sdr/DALA13003319244.md): Skin · corroded · Dec 20, 2012 · N944DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > FORWARD E/E COMPARTMENT FUSELAGE SKIN CORRODED AROUND BILGE DRAIN, STA 122.0 TI 125.5, BETWEEN LONGERONS 30 AND 29L. REF MRB, TASK 53-301-05. FABRICATED INTERIOR DOUBLER REPAIR FWD E/E COMPARTMENT STA 1220 TO 125.5 LONG 30 &29L IAW SRM 53-31-02, FIG 2 AND S

## 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 = 'N944DN' AND deregistration_id = 'N944DN-2022-11-30'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N944DN-2022-11-30/reports

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