# Service difficulty reports: N43872

A list on [N43872](https://openairdocs.org/aircraft/N43872.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 · 60 reports

- [SDR NACA20070017](https://openairdocs.org/sdr/NACA20070017.md): Spark Plug · failed · Aug 22, 2007 · N43872 · Doug DC6 · Spark Plug/Igniter
  > NR 4 ENGINE SHUT DOWN DUE TO CONTINUOUS BACKFIRE IN CLIMB. INSPECTION REVEALED NO CRACKED CYLINDERS, FRONT CAM NO DEFECT. COMPRESSION TEST OF NR 12 CYLINDER CHECKED GOOD, NR 12 EXHAUST VALVE GUIDE CHECKED GOOD IAW PURDUE DC-6 MM MB31-3-1 (7). MULTIPLE SPARK
- [SDR NACA20070005](https://openairdocs.org/sdr/NACA20070005.md): Cylinder · burned · Feb 10, 2007 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO NR 18 CYLINDER FAILURE. REMOVED AND REPLACED NR 18 CYLINDER DUE TO BURN THROUGH ON SIDE OF CYLINDER, REF: DC-6MM SECT V PG 16 AND 16A, CHECKED GOOD.
- [SDR NACA20070004](https://openairdocs.org/sdr/NACA20070004.md): Cylinder · cracked · Feb 7, 2007 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE WOULD NOT TAKE A LEAN IN CRUISE FLIGHT. PERFORMED PRECAUTIONARY SHUTDOWN. REMOVED AND REPLACED NR 16 CYLINDER DUE TO CRACKED HEAD, REF: NAC DC-6MM SEC V, PG 16. RUN UP CHECKED GOOD, NO LEAKS.
- [SDR NACA20070003](https://openairdocs.org/sdr/NACA20070003.md): Valve · failed · Jan 31, 2007 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE BACKFIRED AND WOULD NOT HOLD A LEAN. ANALYZER PATTERN FOR NR 8 CYLINDER FRONT AND REAR ABNORMAL, SHOWS LOW COMPRESSION. ENGINE SHUT DOWN. NR 8 CYLINDER FRONT AND REAR HAD LOW COMPRESSION DUE TO VALVE FAILURE. FURTHER INSPECTION RESULTED IN THE
- [SDR NACA20070001](https://openairdocs.org/sdr/NACA20070001.md): Distributor · shorted · Jan 5, 2007 · N43872 · Doug DC6 · Magneto/Distributor
  > NR 2 ENGINE BACK FIRING, SUSPECT NR 11 CYLINDER REARS. ENGINE WAS UNABLE TO TAKE LEANING. FOUND PART OF A BROKEN BRUSH WEDGED BETWEEN INNER AND OUTER SEGMENT PLATES OF LEFT DISTRIBUTOR. REPLACED FAULTY DISTRIBUTOR WITH SERVICEABLE UNIT. REF: DAC DC-6 LMM SE
- [SDR NACA20060047](https://openairdocs.org/sdr/NACA20060047.md): Engine · failed · Aug 23, 2006 · N43872 · Doug DC6 · Engine (Reciprocating)
  > NR 3 ENGINE SHUTDOWN DUE TO RAPID OIL LOSS DURING CLIMB. REPLACED ENGINE DUE TO INTERNAL FAILURE, REF: NAC DC-6MM SEC. V. PG. 1-9.
- [SDR NACA20060037](https://openairdocs.org/sdr/NACA20060037.md): Cylinder · cracked · Jun 1, 2006 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER. REPLACED NR 2 CYLINDER DUE TO CRACKED HEAD.
- [SDR NACA20050029](https://openairdocs.org/sdr/NACA20050029.md): Cylinder · cracked · Nov 11, 2005 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE SHUT DOWN DUE TO RUNNING ROUGH AND WILL NOT TAKE A LEAN. FOUND NR 2 ENGINE NR 1 CYLINDER WITH CRACKED HEAD. REPLACED NR 1 CYLINDER IAW DC-6MM SECTION V, PG 16 & 16A. OP CHECKED GOOD.
- [SDR NACA20050025](https://openairdocs.org/sdr/NACA20050025.md): Shaft · sheared · Oct 21, 2005 · N43872 · Doug DC6 · Turbine Engine Oil System
  > NR 3 ENGINE SHUTDOWN ON GROUND UPON TAXI-IN DUE TO EXCESSIVE OIL LEAK. CAUSE OF EXCESSIVE OIL LEAKAGE WAS DUE TO A SHEARED LOWER SHAFT SECTION OF THE NOSE CASE OIL SCAVENGE PUMP. THE UPPER PORTION WAS STILL INTACT DISPLAYING GOOD PRESSURE AND GOOD BMEP. THE
- [SDR NACA20050008](https://openairdocs.org/sdr/NACA20050008.md): Cylinder · failed · Mar 8, 2005 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUT DOWN AFTER BACKFIRING IN CRUISE AND COULD NOT RE-LEAN. REPLACED NR 10 CYLINDER DUE TO EXHAUST VALVE FAILURE. OP AND LEAK CHECK GOOD. COMPRESSION CHECK OF NR 15 CYLINDER GOOD, REPLACED WITH NEW SPARK PLUGS.
- [SDR NACA20050009](https://openairdocs.org/sdr/NACA20050009.md): Switch · broken · Mar 6, 2005 · N43872 · Doug DC6 · Propeller Feathering/Reversing
  > NR 2 PROPELLER WOULD NOT UNFEATHER AFTER LANDING. REPLACED BROKEN BLADE SWITCH LEAD. CHECKED GOOD.
- [SDR NACA20050066](https://openairdocs.org/sdr/NACA20050066.md): Downlock Switch · frozen · Jan 12, 2005 · N43872 · Doug DC6 · Landing Gear Position and Warning
  > RIGHT MAIN LANDING GEAR WARNING LIGHT SHOWING GEAR NOT DOWN AND LOCKED. REPLACED RIGHT MAIN LANDING GEAR DOWNLOCK SWITCH. CHECKED GOOD. FOUND WATER FROZEN IN RIGHT MAIN GEAR DOWNLOCK SWITCH.
- [SDR NACA20040064](https://openairdocs.org/sdr/NACA20040064.md): Transmitter · inoperative · Dec 20, 2004 · N43872 · Doug DC6 · Engine Oil Indicating System
  > PRECAUTIONARY ENGINE SHUTDOWN, DUE TO LOSS OF OIL PRESSURE ON NR 4 ENGINE, OIL PRESSURE LIGHT STAYS OFF. REPAIRED ELECT CONNECTIONS IN OIL TRANSMITTER CANNON PLUG. REPLACED NR 4 OIL PRESSURE TRANSMITTER. OPS AND LEAK CHECKS GOOD.
- [SDR NACA20040063](https://openairdocs.org/sdr/NACA20040063.md): Probe · dirty · Dec 7, 2004 · N43872 · Doug DC6 · Engine Oil Quantity
  > NR 2 ENGINE SHUT DOWN DUE TO STEADY OIL LOSS INDICATION. CLEANED OIL QUANTITY CONNECTORS AT NR 2 OIL QUANTITY PROBE. OPS CHECKED GOOD.
- [SDR NACA20040045](https://openairdocs.org/sdr/NACA20040045.md): Cylinder Head · cracked · Oct 6, 2004 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > DISCREPANCY: NR 4 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER. FOUND NR 2 CYLINDER WITH CRACKED HEAD. REPLACED NR 2 CYLINDER. CHECKED GOOD.
- [SDR NACA20040043](https://openairdocs.org/sdr/NACA20040043.md): Engine · overspeed · Oct 4, 2004 · N43872 · Doug DC6 · Engine (Reciprocating)
  > NR 3 ENGINE SHUT DOWN DUE TO OVERSPEED AND LOSS OF OIL. FOUND NR 3 ENGINE SEIZED AND OIL OVERBOARD. REPLACED NR 3 ENGINE. CHECKED GOOD.
- [SDR NACA20040037](https://openairdocs.org/sdr/NACA20040037.md): Cylinder · failed · Sep 17, 2004 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 3 ENGINE SHUT DOWN DUE TO NR 8 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 3 ENGINE DUE TO CYLINDER FAILURE AND METAL CONTAMINATION..
- [SDR NACA20040018](https://openairdocs.org/sdr/NACA20040018.md): Engine · leaking · Apr 13, 2004 · N43872 · Doug DC6 · Reciprocating Engine Oil System
  > NR 4 ENGINE SHUT DOWN DUE TO OIL LOSS. REPLACED NR 4 ENGINE DUE TO INTERNAL FAILURE.
- [SDR NACA20040015](https://openairdocs.org/sdr/NACA20040015.md): Cylinder Head · cracked · Mar 31, 2004 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE FEATHERED DUE TO BACKFIRING, RUNNING ROUGH, AND LOSS OF POWER. REPLACED NR 4 ENGINE, NR 2 CYLINDER DUE TO CRACKED HEAD.
- [SDR NACA20040004](https://openairdocs.org/sdr/NACA20040004.md): Pin · sheared · Jan 8, 2004 · N43872 · Doug DC6 · Landing Gear Retraction/Extension System
  > NOSE LANDING GEAR DID NOT COME UP PROPERLY AFTER DEPARTURE. FOUND UNLATCH ROLLER PIN SHEARED, INSPECTED UPLATCH AND FOUND NO OTHER DEFECTS. REPLACED ROLLER PIN. TESTED RETRACT 5 CONSECUTIVE TIMES WITH NO PROBLEMS. CHECKED GOOD.
- [SDR NACA20040001](https://openairdocs.org/sdr/NACA20040001.md): Cylinder Head · cracked · Jan 4, 2004 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUT DOWN DUE TO HIGH OIL LOSS. REPLACED NR 1 ENGINE, NR 6 CYLINDER DUE TO CRACKED HEAD. CHECKED GOOD.
- [SDR NACA20030129](https://openairdocs.org/sdr/NACA20030129.md): Spark Plug · fouled · Dec 28, 2003 · N43872 · Doug DC6 · Spark Plug/Igniter
  > DISCREPANCY: NR 3 ENGINE SHUT DOWN DUE TO NR 16 CYLINDER DOUBLE SHORTED SECONDARY. CA: REPLACED NR 3 ENGINE, NR 16 CYLINDER FRONT AND REAR SPARK PLUGS. CHECKED GOOD.
- [SDR NACA20030128](https://openairdocs.org/sdr/NACA20030128.md): Spark Plug · fouled · Dec 27, 2003 · N43872 · Doug DC6 · Spark Plug/Igniter
  > NR 3 ENGINE SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY NR 9 CYLINDER. REPLACED NR 3 ENGINE, NR 9 CYLINDER FRONT AND REAR SPARK PLUGS. CHECKED GOOD.
- [SDR NACA20030127](https://openairdocs.org/sdr/NACA20030127.md): Spark Plug · cracked · Dec 18, 2003 · N43872 · Doug DC6 · Spark Plug/Igniter
  > NR 1 ENGINE SHUT DOWN. SUSPECT NR 1 CYLINDER. INSPECTED ALL CYLINDERS FOR CRACKED HEADS, NONE FOUND. REPLACED NR 1 CYLINDER FRONT & REAR SPARK PLUGS. CHECKED GOOD.
- [SDR NACA20030122](https://openairdocs.org/sdr/NACA20030122.md): Cylinder · cracked · Nov 25, 2003 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO EXCESSIVE VIBRATION. REPLACED NR 4 ENGINE, NR 2 CYLINDER. OPS CHECKED GOOD.
- [SDR NACA20030119](https://openairdocs.org/sdr/NACA20030119.md): Spark Plug · cracked · Oct 28, 2003 · N43872 · Doug DC6 · Spark Plug/Igniter
  > NR 3 ENGINE SHUT DOWN DUE TO BACK FIRING AND RUNNING ROUGH. NR 1 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 1, NR 2 AND NR 4 CYLINDERS SPARK PLUGS DUE TO FOULING AND CRACKED CERAMICS.
- [SDR NACA20030115](https://openairdocs.org/sdr/NACA20030115.md): Cylinder · galled · Oct 14, 2003 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY NR 18 CYLINDER. REPLACED NR 18 CYLINDER. OP CHECKED GOOD.
- [SDR NACA20030108](https://openairdocs.org/sdr/NACA20030108.md): Cylinder · cracked · Aug 12, 2003 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE SHUT DOWN ON GROUND, NR 8 CYLINDER CRACKED. REPLACED NR 2 ENGINE, NR 8 CYLINDER.
- [SDR NACA20030097](https://openairdocs.org/sdr/NACA20030097.md): Spark Plug · cracked · Jul 23, 2003 · N43872 · Doug DC6A · Spark Plug/Igniter
  > NR 4 ENGINE NR 2 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED FRONT AND REAR SPARK PLUGS ON NR 2 CYLINDER.
- [SDR NACA20030092](https://openairdocs.org/sdr/NACA20030092.md): Skin · cracked · Jul 3, 2003 · N43872 · Doug DC6A · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN ON RIGHT HAND SIDE AT STATION 415 & 417. REPAIRED CRACK PER NAC DRAWING NAC2003-07, DATED 07/03/2003 AND FAA APPROVED 8110-3 DATED 07/03/2003.
- [SDR NACA20030091](https://openairdocs.org/sdr/NACA20030091.md): Skin · cracked · Jul 3, 2003 · N43872 · Doug DC6A · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN AT LEFT HAND SIDE AT STATION 415 & 417. REPAIRED CRACK PER NAC DRAWING NAC2003-08 DATED 07/03/2003 AND FAA APPROVED 8110-3 DATED 07/03/2003.
- [SDR NACA20030079](https://openairdocs.org/sdr/NACA20030079.md): Carburetor · power loss · Mar 19, 2003 · N43872 · Doug DC6A · Fuel Control/Reciprocating Engines
  > DISCREPANCY: #3 ENGINE SHUT DOWN DUE TO HIGH FUEL FLOW AND LOW BMEP.CORRECTIVE ACTION: REPLACED CARBURETOR AND FUEL FEED VALVE.
- [SDR NACA20030078](https://openairdocs.org/sdr/NACA20030078.md): Exhaust Pipe · cracked · Feb 28, 2003 · N43872 · Doug DC6 · Engine Exhaust System
  > DISCREPANCY: ZONE #1 FIRE WARNING ON #3 ENGINE DURING TAKE OFF ROLL.CORRECTIVE ACTION: REPLACED #10 TO #12 CYLINDER EXHAUST AND #11 TO #13 EXHAUST DUE TO BURN THROUGH. EXHAUST WAS BLOWING ON FIRE DETECTOR.
- [SDR NACA20030075](https://openairdocs.org/sdr/NACA20030075.md): Spark Plug · cracked · Feb 11, 2003 · N43872 · Doug DC6 · Spark Plug/Igniter
  > DISCREPANCY: #2 ENGINE SHUT DOWN DUE TO LOW BMEP.CORRECTIVE ACTION: REPLACED #2 CYLINDER REAR SPARK PLUG AND RETORQUED COIL AND LEAD.
- [SDR NACA20020056](https://openairdocs.org/sdr/NACA20020056.md): Case · making metal · Nov 4, 2002 · N43872 · Doug DC6 · Reciprocating Engine Power Section
  > NR 4 ENGINE LOSS OF BMEP AND LOSS OF OIL QUANTITY. REPLACED NR 4 ENGINE DUE TO HIGH METAL CONTENT FOUND IN FRONT ACCESSORY SECTION.
- [SDR NACA20020042](https://openairdocs.org/sdr/NACA20020042.md): Scroll · sheared · Sep 13, 2002 · N43872 · Doug DC6 · Air Conditioning System
  > Discrepancies: Smoke in Cockpit. R/H Cabin Super Charger Impellar nut sheared.Corrective Action: Replaced R/H Cabin Supercharger Scroll.
- [SDR NACA20020041](https://openairdocs.org/sdr/NACA20020041.md): Ignition Lead · shorted · Aug 31, 2002 · N43872 · Doug DC6 · Ignition Harness (Distribution)
  > PRECAUTIONARY SHUTDOWN THE NR 3 ENGINE DUE TO DOUBLE SHORTED SECONDARY ON THE NR 10 CYLINDER. REPLACED SPARK PLUGS, Y-LEAD, SHORT LEADS, AND COIL.
- [SDR NACA20020032](https://openairdocs.org/sdr/NACA20020032.md): Spark Plug · cracked · Jul 15, 2002 · N43872 · Doug DC6 · Spark Plug/Igniter
  > PRECAUTIONARY SHUT DOWN THE NR 4 ENGINE IN CRUISE DUE TO SHORTED SECONDARY ON THE NR 11 CYLINDER. FOUND CRACKED NOSE CERAMICS ON BOTH PLUGS. REMOVED AND REPLACED PLUGS.
- [SDR NACA20020014](https://openairdocs.org/sdr/NACA20020014.md): Door Frame · cracked · Mar 21, 2002 · N43872 · Doug DC6 · Passenger/Crew Doors
  > PASSENGER DOOR, FORWARD FRAME, CRACKED 16 INCHES ABOVE LOWER CORNER OF THE DOOR. REMOVED DAMAGED AREA, FABBED AND INSTALLED A FILLER. FABBED AND INSTALLED A SHIM AND A DOUBLER.
- [SDR NACA20020008](https://openairdocs.org/sdr/NACA20020008.md): Spark Plug · shorted · Feb 21, 2002 · N43872 · Doug DC6 · Spark Plug/Igniter
  > PRECAUTIONARY SHUT DOWN NR 2 ENGINE, DUE TO DOUBLE SHORTED SECONDARY, NR 16 CYLINDER. REPLACED FRONT AND REAR SPARK PLUGS.
- [SDR NACA20020007](https://openairdocs.org/sdr/NACA20020007.md): Cylinder · cracked · Feb 16, 2002 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > FEATHERED NR 3 ENGINE DUE TO RAPID BACKFIRING. REMOVED AND REPLACED NR 4 CYLINDER ON THE NR 3 ENGINE.
- [SDR NACA20010037](https://openairdocs.org/sdr/NACA20010037.md): Cylinder · leaking · Nov 8, 2001 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SMOKES AND EXCESSIVE OIL LOSS. REPLACED NR 2 CYLINDER EXHAUST PIN CAPS, TORQUED AND SAFETIED.
- [SDR NACA20010036](https://openairdocs.org/sdr/NACA20010036.md): Cylinder · cracked · Nov 7, 2001 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE FEATHERED DUE TO RAPID OIL LOSS. REPLACED THE NR 7 CYLINDER FOR CRACKED HEAD.
- [SDR NACA20010034](https://openairdocs.org/sdr/NACA20010034.md): Supercharger · making metal · Sep 27, 2001 · N43872 · Doug DC6 · Cabin Compressor System
  > EN ROUTE, SMOKE IN COCKPIT. SHUTDOWN CABIN HEATERS, ELIMINATED SMOKE. SUSPECT NR 1 SUPERCHARGER SYSTEM. PULLED MAGNETIC PLUG ON THE NR 1 CSC, FOUND TO BE FULL OF METAL. SYSTEM DEFERRED PER MEL 21-1 AT 0800 ON 9-27-01Z. CSC TO BE REPLACED.
- [SDR NACA20010027](https://openairdocs.org/sdr/NACA20010027.md): Cylinder · damaged · Jul 9, 2001 · N43872 · Doug DC6 · Reciprocating Engine Cylinder Section
  > FEATHERED NR 3 ENGINE AT 2311Z DUE TO LOSS OF OIL. REMOVED AND REPLACED ENGINE ASSY.
- [SDR NACA20010019](https://openairdocs.org/sdr/NACA20010019.md): Coil · shorted · May 2, 2001 · N43872 · Doug DC6A · Low Tension Coil
  > NR 1 ENGINE SHUTDOWN AT 2224Z DUE TO 1 BACKFIRE AND LOW COMPRESSION PATTERN ON CYLINDER NR 5. REPLACED NR 5 CYLINDER COIL, CHECKED PLUGS, LEADS, AND Y-LEAD (ALL GOOD). NORMAL ANALYZER ON RUNNUP, COMPRESSION CHECK 70/80.
- [SDR NACA2001017](https://openairdocs.org/sdr/NACA2001017.md): Coil · shorted · Apr 24, 2001 · N43872 · Doug DC6A · Low Tension Coil
  > FEATHERED NR 2 ENGINE AT 1935 DUE TO BACKFIRING AND RUNNING ROUGH. REPLACED THE NR 16 CYLINDER IGNITION COIL.
- [SDR NACA2001016](https://openairdocs.org/sdr/NACA2001016.md): Governor · failed · Apr 20, 2001 · N43872 · Doug DC6A · Propeller Governor
  > NR 3 PROPELLER UNCONTROLLABLE, NR 3 ENGINE RUNAWAY, 3300RPM. REPLACED PROPELLER GOVERNOR, INSPECTED ALL OIL SCREENS/CETERFUGE, NO DEFECTS. OVERSPEED WITHIN LIMITS.
- [SDR NACA2001015](https://openairdocs.org/sdr/NACA2001015.md): Skin · cracked · Mar 13, 2001 · N43872 · Doug DC6A · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN AT STA R89 LONGERON R24. REMOVED INTERNAL DOUBLER, SAFETY SEALS, AND AFT SECTION OF LONGERON R24 (8 INCHES). REMOVED SECTION OF SKIN FOR CORROSION. INSTALLED NEW INTERNAL DOUBLER, LONGERON SPLICE AND LAP SEAM REPAIR PER DC-6 O/H MANUA
- [SDR NACA2001012](https://openairdocs.org/sdr/NACA2001012.md): Fuse · blown · Mar 13, 2001 · N43872 · Doug DC6A · Propeller Controlling System
  > UNABLE TO CONTROL NR 2 PROPELLER WITH MASTER LEVER OR TOGGLES. REPLACED FUSE IN THE PROP SYNC BOX.

Next page: https://openairdocs.org/aircraft/N43872/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 = 'N43872' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N43872/reports

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