# Service difficulty reports: N779TA, cancelled Jan 24, 2018

A list on [N779TA, cancelled Jan 24, 2018](https://openairdocs.org/deregistered/N779TA-2018-01-24.md).

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

- [SDR NACA20060046](https://openairdocs.org/sdr/NACA20060046.md): Supercharger · failed · Aug 17, 2006 · N779TA · Doug DC6 · Reciprocating Engine Supercharger
  > ABORTED TAKEOFF DUE TO NR 3 ENGINE BACKFIRING DURING TAKEOFF ROLL. REPLACED NR 3 ENGINE DUE TO BLOWER FAILURE. REF NAC DC-6MM SEC V PG 1-9.
- [SDR NACA20060043](https://openairdocs.org/sdr/NACA20060043.md): Cylinder Head · cracked · Jul 28, 2006 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 3 ENGINE SHUT DOWN DUE TO BACKFIRING. FOUND NR 2 CYLINDER WITH CRACKED HEAD. REPLACED CYLINDER ASSEMBLY IAW NAC DC-6MM SEC V PG 16-16A.
- [SDR NACA20040065](https://openairdocs.org/sdr/NACA20040065.md): Bolt · sheared · Dec 24, 2004 · N779TA · Doug DC6 · Fasteners
  > RIGHT FLAP OUTBOARD ACTUATOR BOLT SHEARED. REPLACED BOLT AND INSPECTED FLAP AND CARRIAGE SYSTEM, OK FOR SERVICE. INSTALLED NEW NUT AND WASHER. OP CHECKED GOOD.
- [SDR NACA20040054](https://openairdocs.org/sdr/NACA20040054.md): Thermostat · shorted · Nov 2, 2004 · N779TA · Doug DC6 · Engine Oil Temperature
  > NR 1 ENGINE OIL TEMPERATURE CIRCUIT BREAKER POPPED, COULD NOT BE RESET. REPLACED NR 1 ENGINE OIL THERMOSTAT. LEAK AND OP CHECKED GOOD.
- [SDR NACA20040053](https://openairdocs.org/sdr/NACA20040053.md): Spark Plug · cracked · Oct 30, 2004 · N779TA · Doug DC6 · Spark Plug/Igniter
  > NR 3 ENGINE SHUT DOWN DUE TO NR 10 CYLINDER DOUBLE SHORTED SECONDARY. REMOVED AND INSPECTED NR 10 CYLINDER SPARK PLUGS, FOUND NO DEFECTS. SHORTED NR 10 CYLINDER TO VERIFY TIMING. FOUND TO BE OFF 6 PATTERNS. REMOVED AND REPLACED NR 16 CYLINDER FRONT SPARK P
- [SDR NACA20040048](https://openairdocs.org/sdr/NACA20040048.md): Cylinder · failed · Oct 23, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO BACK FIRING WHEN LEAN AND RUNNING ROUGH. NR 16 CYLINDER SHOWS LOW COMPRESSION. REPLACED NR 16 CYLINDER. OPS CHECKED GOOD.
- [SDR NACA20040046](https://openairdocs.org/sdr/NACA20040046.md): Cylinder · damaged · Oct 16, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE SHUT DOWN DUE TO BACK FIRING. REPLACED NR 5 CYLINDER DUE TO LOW COMPRESSION. OPS CHECKED GOOD.
- [SDR NACA20040049](https://openairdocs.org/sdr/NACA20040049.md): Stringer · corroded · Oct 2, 2004 · N779TA · Doug DC6 · Fuselage Main, Longeron/Stringer
  > RIGHT FUSELAGE HAS SURFACE CORROSION AT STA 926 STRINGER 25. CUT OUT CORROSION. DAMAGE CUTOUT 3/4 INCH. FABRICATED AND INSTALLED DOUBLER..040 7075-T6, DIMPLED ORIGINAL HOLES REF DOUGLAS OHM 12-36 FIG 12-22.
- [SDR NACA20040044](https://openairdocs.org/sdr/NACA20040044.md): Cylinder · cracked · Sep 30, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 3 ENGINE, NR 18 CYLINDER RIGHT AND LEFT LOW COMPRESSION. CHECKED NR 18 CYLINDER AND SYNC GENERATOR, BOTH CHECKED GOOD. FOUND NR 11 CYLINDER WITH A CRACKED HEAD, REPLACED CYLINDER. CHECKED GOOD.
- [SDR NACA20040035](https://openairdocs.org/sdr/NACA20040035.md): Spark Plug · cracked · Sep 14, 2004 · N779TA · Doug DC6 · Spark Plug/Igniter
  > ABORTED TAKEOFF DUE TO NR 2 ENGINE LOW FUEL FLOW AND LOW BMEP. REPLACED NR 18 CYLINDER FRONT PLUG (CRACKED CERAMIC), NR 8 CYLINDER REAR INTERMITTENT, BOTH PLUGS REPLACED. REPLACED NR 18 CYLINDER REAR PLUG. INSPECTED CARBURETOR AND FIRE WALL SHUT OFF FOR RIG
- [SDR NACA20040036](https://openairdocs.org/sdr/NACA20040036.md): Carburetor · malfunctioned · Sep 14, 2004 · N779TA · Doug DC6 · Fuel Control/Reciprocating Engines
  > ABORTED TAKEOFF DUE TO LOW FUEL FLOW AND LOW BMEP. BARO ENGINE CHECK SHOWED NORMAL PARAMETERS. REPLACED NR 2 ENGINE CARBURETOR AND FUEL FEED VALVE. CHECKED GOOD.
- [SDR NACA20040034](https://openairdocs.org/sdr/NACA20040034.md): Engine · malfunctioned · Sep 14, 2004 · N779TA · Doug DC6 · Engine (Reciprocating)
  > ABORTED TAKE OFF DUE TO NR 2 ENGINE LOW FUEL FLOW AND LOW BMEP. PERFORMED 30 IN FIELD BARO ENGINE OP CHECK IAW OPS MANUAL SECT. 9.20. ALL PARAMETERS NORMAL, NO DEFECTS NOTED.
- [SDR NACA20040033](https://openairdocs.org/sdr/NACA20040033.md): Cylinder · cracked · Sep 13, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUT DOWN DUE TO EXCESSIVE SMOKE AND RUNNING ROUGH. REPLACED NR 17 CYLINDER DUE TO A CRACKED HEAD. CHECKED GOOD.
- [SDR NACA20040031](https://openairdocs.org/sdr/NACA20040031.md): Case · leaking · Aug 31, 2004 · N779TA · Doug DC6 · Reciprocating Engine Front Section
  > NR 1 ENGINE SHUT DOWN DUE TO EXCESSIVE OIL LOSS. REPLACED NR 1 ENGINE NOSE CASE ASSEMBLY DUE TO A BLOWN ACCESSORY PLUG.
- [SDR NACA20040028](https://openairdocs.org/sdr/NACA20040028.md): Governor · uncontrollable · Aug 21, 2004 · N779TA · Doug DC6 · Propeller Governor
  > NR 1 PROPELLER UNCONTROLLABLE, WOULD NOT FEATHER. OVERSPEED TO APPROXIMATELY 3300. INSPECTED ENGINE FINGER SCREENS, NO NOTEABLE FINDINGS. REPLACED NR 1 PROPELLER GOVERNOR. CHECKED GOOD.
- [SDR NACA20040027](https://openairdocs.org/sdr/NACA20040027.md): Cylinder Head · cracked · Aug 5, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO EXCESSIVE OIL LOSS. REPLACED NR 3 CYLINDER DUE TO CRACKED HEAD. CHECKED GOOD.
- [SDR NACA20040032](https://openairdocs.org/sdr/NACA20040032.md): Case · leaking · Aug 3, 2004 · N779TA · Doug DC6 · Reciprocating Engine Front Section
  > NR 4 ENGINE SHUT DOWN DUE TO EXCESSIVE OIL LEAK. REPLACED NOSE CASE ASSEMBLY DUE TO A BLOWN ACCESSORY PLUG.
- [SDR NACA20040025](https://openairdocs.org/sdr/NACA20040025.md): Cam · failed · Jun 30, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE SHUT DOWN DUE TO NR 12 CYLINDER DOUBLE SHORTED SECONDARY AND RUNNING ROUGH. REPLACED ENGINE DUE TO FRONT CAM FAILURE. CHECKED GOOD.
- [SDR NACA20040009](https://openairdocs.org/sdr/NACA20040009.md): Spark Plug · fouled · Feb 6, 2004 · N779TA · Doug DC6 · Spark Plug/Igniter
  > NR 3 ENGINE SHUT DOWN DUE TO NR 14 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED SPARK PLUGS, SHORT LEADS AND RESET VALVE CLEARANCES. CHECKED GOOD.
- [SDR NACA20040007](https://openairdocs.org/sdr/NACA20040007.md): Cylinder · failed · Jan 24, 2004 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO RUNNING ROUGH. REPLACED NR 4 ENGINE, NR 11 CYLINDER DUE TO NO COMPRESSION. CHECKED GOOD.
- [SDR NACA20040006](https://openairdocs.org/sdr/NACA20040006.md): Spark Plug · cracked · Jan 17, 2004 · N779TA · Doug DC6 · Spark Plug/Igniter
  > NR 4 ENGINE SHUT DOWN DUE TO BACK FIRING, NR 13 CYLINDER DOUBLE SHORTED SECONDARY. ADJUSTED VALVES AND REPLACED BOTH FRONT & REAR PLUGS ON NR 13 CYLINDER DUE TO CRACKED CERAMICS. CHECKED GOOD.
- [SDR NACA20030125](https://openairdocs.org/sdr/NACA20030125.md): Valve Seat · power loss · Dec 7, 2003 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 3 ENGINE SHUT DOWN DUE TO LOSS OF BMEP, AND LOW COMPRESSION. REPLACED NR 3 ENGINE, NR 2 CYLINDER. (STUCK VALVE SEAT). CHECKED GOOD.
- [SDR NACA20030124](https://openairdocs.org/sdr/NACA20030124.md): Engine · making metal · Nov 28, 2003 · N779TA · Doug DC6 · Engine (Reciprocating)
  > NR 1 ENGINE PRECAUTIONARY SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY AND LOSS OF OIL. REPLACED NR 1 ENGINE DUE TO MAKING METAL.
- [SDR NACA20030121](https://openairdocs.org/sdr/NACA20030121.md): Brushes · broken · Nov 15, 2003 · N779TA · Doug DC6 · Magneto/Distributor
  > NR 2 ENGINE SHUT DOWN DUE TO L-2 PRIMARY CIRCUIT OPEN. FOUND BROKEN BRUSHES, REPLACED LT DISTRIBUTOR. CHECKED GOOD.
- [SDR NACA20030120](https://openairdocs.org/sdr/NACA20030120.md): Thermostat · malfunctioned · Oct 29, 2003 · N779TA · Doug DC6 · Engine Oil Temperature
  > NR 2 ENGINE SHUT DOWN DUE TO EXCESSIVE OIL TEMPERATURE. REPLACED NR 2 ENGINE OIL TEMPERATURE THERMOSTAT. CHECKED GOOD.
- [SDR NACA20030083](https://openairdocs.org/sdr/NACA20030083.md): Cylinder · cracked · May 3, 2003 · N779TA · Doug DC6A · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE BACK FIRING AT FULL RICH AND LOSS OF BMEP. REPLACED NR 2 ENGINE, NR 11 CYLINDER.
- [SDR NACA20030081](https://openairdocs.org/sdr/NACA20030081.md): Actuator · inoperative · Apr 15, 2003 · N779TA · Doug DC6A · Engine Oil Cooler
  > NR 3 ENGINE SHUT DOWN DUE TO OIL COOLER DOOR NOT OPERATING. REPLACED OIL COOLER DOOR ACTUATOR.
- [SDR NACA20030074](https://openairdocs.org/sdr/NACA20030074.md): Cylinder · cracked · Feb 10, 2003 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > DISCREPANCY: #3 ENGINE SHUT DOWN DUE TO BACK FIRING.CORRECTIVE ACTION: REPLACED #15 CYLINDER.
- [SDR NACA20030071](https://openairdocs.org/sdr/NACA20030071.md): Spark Plug · cracked · Feb 6, 2003 · N779TA · Doug DC6 · Spark Plug/Igniter
  > DISCREPANCY: #2 ENGINE SHUT DOWN DUE TO #10 CYLINDER DOUBLE SHORTED SECONDARY AND RUNNING ROUGH.CORRECTIVE ACTION: REPLACED FRONT AND REAR SPARK PLUGS.
- [SDR NACA20030069](https://openairdocs.org/sdr/NACA20030069.md): Cylinder · cracked · Jan 23, 2003 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > DISCREPANCY: #4 ENGINE PRECAUTIONARY SHUT DOWN DUE TO BACK FIRING, ANALYZER READS #4 CYLINDER LOW COMPRESSION BOTH SIDES.CORRECTIVE ACTION: REPLACED #4 ENGINE #4 CYLINDER.
- [SDR NACA20020050](https://openairdocs.org/sdr/NACA20020050.md): Cylinder Head · cracked · Oct 23, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE PRECAUTIONARY SHUT DOWN, RUNNING ROUGH. REPLACED NR 4 CYLINDER FOR A CRACKED HEAD, OP CHECK GOOD.
- [SDR NACA20020040](https://openairdocs.org/sdr/NACA20020040.md): Cylinder · cracked · Aug 31, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > FEATHERED THE NR 4 ENGINE IN CRUISE DUE TO BACKFIRED, LOW BMEP. REPLACED THE NR 3 CYLINDER.
- [SDR NACA20020039](https://openairdocs.org/sdr/NACA20020039.md): Cylinder · cracked · Aug 28, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE FEATHERED DUE TO BACKFIRING. REMOVED AND REPLACED THE NR 18 CYLINDER.
- [SDR NACA20020037](https://openairdocs.org/sdr/NACA20020037.md): Cylinder · cracked · Aug 19, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > FEATHERED THE NR 3 ENGINE AT 0312Z DUE TO BACKFIRING AND ROUGH RUNNING. REPLACED THE NR 4 CYLINDER.
- [SDR NACA20020029](https://openairdocs.org/sdr/NACA20020029.md): Cylinder · cracked · Jun 21, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE PRECAUTIONARY SHUT DOWN, ENGINE WOULDN'T TAKE A LEAN, BACKFIRED AND RUNNING ROUGH. REMOVED AND REPLACED THE NR 3 CYLINDER ON THE NR 4 ENGINE.
- [SDR NACA20020028](https://openairdocs.org/sdr/NACA20020028.md): Cylinder · cracked · May 31, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUT DOWN AT 0210Z DUE TO THE RUNNING ROUGH. REPLACED THE NR 1 CYLINDER ON THE NR 1 ENGINE.
- [SDR NACA20020020](https://openairdocs.org/sdr/NACA20020020.md): Cylinder · cracked · May 17, 2002 · N779TA · Doug DC6 · Reciprocating Engine Cylinder Section
  > PRECAUTIONARY SHUT DOWN NR 3 ENGINE IN CRUISE DUE TO BACKFIRING AT ALL POWER SETTINGS. REMOVED AND REPLACED THE NR 16 CYLINDER ON THE NR 3 ENGINE.
- [SDR NACA20020022](https://openairdocs.org/sdr/NACA20020022.md): Skin · corroded · May 8, 2002 · N779TA · Doug DC6 · Fuselage Main, Plate/Skin
  > FORWARD FUSELAGE, COPILOTS SLIDING WINDOW FRAME DOUBLER SURFACE CORROSION AND LIFTING AFT LOWER CORNER, AND TOP AFT CORNER. REMOVED COPILOTS FACTORY WINDOW DOUBLER, REMOVED THREE DAMAGED SECTIONS OF SKIN. FABRICATED TWO DOUBLERS AND SHIMS. INSTALLED SHIMS,
- [SDR NACA20020013](https://openairdocs.org/sdr/NACA20020013.md): Spark Plug · damaged · Apr 2, 2002 · N779TA · Doug DC6 · Spark Plug/Igniter
  > NR 3 ENGINE NR 4 CYLINDER DOUBLE SHORTED SECONDARY, BACKFIRING. REPLACED BOTH RIGHT AND LEFT SPARK PLUGS.
- [SDR NACA20020001](https://openairdocs.org/sdr/NACA20020001.md): Cylinder · cracked · Jan 2, 2002 · N779TA · Doug DC6 · Turbine Engine Compressor Section
  > DISCREPANCY: Shut down #1 engine at 2337Z due to excessive oil loss.CORRECTIVE ACTION: Replaced #1 cylinder on the #1 engine.
- [SDR NACA20010042](https://openairdocs.org/sdr/NACA20010042.md): Carburetor · defective · Dec 5, 2001 · N779TA · Doug DC6 · Fuel Control/Turbine Engines
  > NR 2 ENGINE SHUT DOWN DUE TO ERRATIC BMEP, ROUGH RUNNING, AND RAPID LOSS OF CHT. REPLACED NR 2 ENGINE CARBURETOR.
- [SDR NACA20010029](https://openairdocs.org/sdr/NACA20010029.md): Cylinder · cracked · Aug 11, 2001 · N779TA · Doug DC6 · Turbine Engine Compressor Section
  > DISCREPANCEY: Precautionary shut down #2 engine due to running rough, #4 and #7 cylinder low compression.CORRECTIVE ACTION: Replaced #4 cylinder.
- [SDR NACA20010024](https://openairdocs.org/sdr/NACA20010024.md): Cylinder · cracked · Jun 14, 2001 · N779TA · Doug DC6 · Turbine Engine Compressor Section
  > DISCREPANCY: #4 Engine will not take a lean & #17 cylinder shows no compression on analyzer.CORRECTIVE ACTION: Replaced the #4 cylinder assy.
- [SDR NACA200000023](https://openairdocs.org/sdr/NACA200000023.md): Cylinder · cracked · Sep 29, 2000 · N779TA · Doug DC6A · Reciprocating Engine Cylinder Section
  > SHUT DOWN NR 3 ENGINE IN FLIGHT AT 23:55 (PRECAUTIONARY-DUE TO ROUGHNESS). REPLACED NR 17 CYLINDER DUE TO CRACKED HEAD.
- [SDR NACA200000010](https://openairdocs.org/sdr/NACA200000010.md): Switch · erratic · Jun 29, 2000 · N779TA · Doug DC6A · Fire Detection
  > UNDER FLOOR FIRE INDICATION. INSPECTED CABIN HEATER COMPARTMENT, NO INDICATION OF FIRE FOUND. REPLACED RIGHT BANK OF CO2 BOTTLES, BLOW-OUT DISC, RESET OUTFLOW VALVE, RESET CABIN SUPERCHARGER CLUTCHES AND REPLACED CABIN HEATER COMPARTMENT FIRE DETECTION TEST
- [SDR NACA200000009](https://openairdocs.org/sdr/NACA200000009.md): Cylinder · cracked · May 23, 2000 · N779TA · Doug DC6A · Reciprocating Engine Cylinder Section
  > FEATHERED NR 2 ENGINE AT 1652Z AFTER IT BACKFIRED AND QUIT ON FINAL APPROACH. REPLACED NR 18 CYLINDER ASSEMBLY.
- [SDR 96ZZZM1056](https://openairdocs.org/sdr/96ZZZM1056.md): Cylinder Assy · cracked · May 15, 1996 · N779TA · Doug DC6A · Reciprocating Engine Cylinder Section
  > FLT 312 - SHUTDOWN NR 1 ENGINE AT 1830Z DUE TO BACKFIRING IN RICH AND MANUAL LEAN. AIRCRAFT FERRIED TO ANC FROM ENM. MX REPLACED NR 13 CYLINDER ASSY DUE TO CRACKED HEAD. AIRCRAFT RETURNED TO SERVICE. (M)

## 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 = 'N779TA' AND deregistration_id = 'N779TA-2018-01-24'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N779TA-2018-01-24/reports

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