# Service difficulty reports: N2907F, cancelled Aug 8, 2013

A list on [N2907F, cancelled Aug 8, 2013](https://openairdocs.org/deregistered/N2907F-2013-08-08.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 · 61 reports

- [SDR NACA20080008](https://openairdocs.org/sdr/NACA20080008.md): Cylinder Head · damaged · May 13, 2008 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUT DOWN DUE TO BACKFIRING. REMOVED AND REPLACED NR 16 CYLINDER DUE TO BLOWN HEAD, REF: NAC DC-6MM SECT V PG 16 AND 16A. OP CHECKED GOOD.
- [SDR NACA20080007](https://openairdocs.org/sdr/NACA20080007.md): Cylinder · failed · Apr 18, 2008 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUTDOWN DUE TO NR 1 CYLINDER DOUBLE SHORTED SECONDARY. REMOVED AND REPLACED NR 1 CYLINDER DUE TO RING LAND FAILURE. REF: DC6MM SECT V PG 16, OP CHECKED GOOD.
- [SDR NACA20080006](https://openairdocs.org/sdr/NACA20080006.md): Cylinder · cracked · Apr 2, 2008 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 3 ENGINE SHUT DOWN DUE TO BACKFIRING DURING CRUISE. REPLACED NR 2 CYLINDER DUE TO A CRACKED HEAD, REF: DC-6MM SECT V PG 16-17. OP CHECK GOOD.
- [SDR NACA20070022](https://openairdocs.org/sdr/NACA20070022.md): Gear · stripped · Dec 14, 2007 · N2907F · Doug DC6 · Reciprocating Engine Supercharger
  > NR 2 ENGINE SHUT DOWN, QUIT ON TAKEOFF. BLOWER GEARS STRIPPED. REPLACED NR 2 ENGINE.
- [SDR NACA20070016](https://openairdocs.org/sdr/NACA20070016.md): Cylinder · failed · Aug 21, 2007 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO RUNNING ROUGH AND DOUBLE SHORTED SECONDARY ON NR 1 CYLINDER. REMOVED AND REPLACED NR 1 CYLINDER DUE TO RING LAND FAILURE, REF: NAC DC-6 MM SECT. V PG. 16 & 16A. CHECK GOOD.
- [SDR NACA20070015](https://openairdocs.org/sdr/NACA20070015.md): Cylinder Head · cracked · Aug 9, 2007 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 2 ENGINE SHUTDOWN DUE TO HIGH CHT, 150 DEGREES AT IDLE, 250+ DEGREES AT 30 INCHES WITH COWL FLAP AT 6 DEGREES. NR 2 ENGINE, NR 18 CYLINDER CRACKED HEAD. REPLACED NR 18 CYLINDER PER NAC DC-6 MM SECTION V PG 16. OP CHECKED GOOD.
- [SDR NACA20070014](https://openairdocs.org/sdr/NACA20070014.md): Clutch · slipped · Jun 2, 2007 · N2907F · Doug DC6 · Reciprocating Engine Supercharger
  > NR 4 ENGINE SHUT DOWN DUE TO LOSS OF BMEP, (BMEP TO ZERO), LOSS OF ENGINE BLOWER. REPLACED ENGINE DUE TO CLUTCH FAILURE.
- [SDR NACA20070012](https://openairdocs.org/sdr/NACA20070012.md): Cylinder · separated · Mar 28, 2007 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE BACKFIRING. ENGINE SHUT DOWN. REPLACED NR 1 ENGINE NR 8 CYLINDER DUE TO SEPERATED FINS FROM CYLINDER LINER. REF: DC-6MM SECT V PG 16 AND 16A. LEAK AND OPS CHECKED GOOD.
- [SDR NACA20070008](https://openairdocs.org/sdr/NACA20070008.md): Harness · cracked · Feb 28, 2007 · N2907F · Doug DC6 · Ignition Harness (Distribution)
  > NR 2 ENGINE SHUT DOWN, WOULD NOT TAKE A LEAN AND BACKFIRES IN RICH. FOUND CRACKED IGNITION HARNESS. REPLACED HARNESS REF: PURDUE MB 24-1-1. DISTRIBUTOR REPLACED IN REF: PW 2800MM CH 6 1/2. LEAK AND OP CHECKED GOOD.
- [SDR NACA20070006](https://openairdocs.org/sdr/NACA20070006.md): Clutch · failed · Feb 9, 2007 · N2907F · Doug DC6 · Reciprocating Engine Power Section
  > NR 2 ENGINE DROP IN BMEP, MAP DROPPED TO BAROMETRIC PSI, PRECAUTIONARY ENGINE SHUT DOWN. REPLACED NR 2 ENGINE DUE TO CLUTCH FAILURE REF: DC-6MM SECT V PG. 3-8.
- [SDR NACA20060052](https://openairdocs.org/sdr/NACA20060052.md): Cylinder · failed · Nov 25, 2006 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE BACK FIRE ON DESCENT FLIGHT, SUSPECT NR 11 REAR. ENGINE SHUTDOWN. REPLACED NR 11 CYLINDER DUE TO RING LAND FAILURE.
- [SDR NACA20060050](https://openairdocs.org/sdr/NACA20060050.md): Carburetor · failed · Nov 4, 2006 · N2907F · Doug DC6 · Fuel Control/Reciprocating Engines
  > NR 2 ENGINE SHUTDOWN DUE TO HIGH FUEL FLOW, BMEP FLUCTUATING AND OIL TEMP RISING. REPLACED CARBURETOR.
- [SDR NACA20060053](https://openairdocs.org/sdr/NACA20060053.md): Skin · cracked · Aug 10, 2006 · N2907F · Doug DC6 · Wing, Plate/Skin
  > LEFT WING BOTTOM SKIN CRACKED 1.5" LONG AT WING STA 170, AND REAR SPAR. REMOVED DAMAGE, INSTALLED FILLER AND EXTERNAL DOUBLERS IAW BOEING ROD SKETCH JCT03928 AND 8100-9, DATED 29 SEPT 2006.
- [SDR NACA20060039](https://openairdocs.org/sdr/NACA20060039.md): Case · separated · Jun 3, 2006 · N2907F · Doug DC6 · Reciprocating Engine Rear Section
  > NR 1 ENGINE SHUT DOWN DUE TO OIL LOSS, QUANTITY AND PRESSURE. REPLACED NR 1 ENGINE DUE TO COLLECTOR CASE TO INTERMEDIATE REAR CASE SEPARATION PER NAC DC-6MM SEC V PG 1-9.
- [SDR NACA20060033](https://openairdocs.org/sdr/NACA20060033.md): Cylinder · failed · Apr 12, 2006 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 3 ENGINE FEATHERED DUE TO LOW COMPRESSION INDICATION ON NR 3 CYLINDER. REPLACED NR 3 CYLINDER ON NR 3 ENGINE DUE TO RING LAND FAILURE. REF: NAC DC-6MM SEC V PGS 16 & 16A.
- [SDR NACA20050027](https://openairdocs.org/sdr/NACA20050027.md): Cylinder · cracked · Nov 7, 2005 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > PRECAUTIONARY ENGINE FEATHER ON GROUND DUE TO OIL LOSS AND RUNNING ROUGH. FOUND NR 18 CYLINDER CRACKED. REPLACED NR 18 CYLINDER IAW MM SECT V PG. 16 AND 16A. OP CHECKED GOOD.
- [SDR NACA20050021](https://openairdocs.org/sdr/NACA20050021.md): Warning Light · false indication · Sep 21, 2005 · N2907F · Doug DC6 · Engine Oil Pressure
  > LOW OIL PRESSURE LIGHT ON DURING TAKEOFF ROLL. PERFORMED TAKEOFF POWER CHECK PER NAC DC-6 OP MANUAL SECTION 9.20 PT. 5 ON ENGINES 1, 2, 3, AND 4. NO DEFECTS NOTED. DURING TAKEOFF POWER CHECKS OIL PRESSURES WITHIN LIMITS, NO LOW OIL PRESSURE WARN LIGHT ON.
- [SDR NACA20050019](https://openairdocs.org/sdr/NACA20050019.md): Cylinder · galled · Aug 25, 2005 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE FEATHERED DUE TO NR 2 CYLINDER DOUBLE SHORTED SECONDARY. INSPECTED NR 2 CYLINDER SPARK PLUG AND FOUND TO BE PEENED. REPLACED NR 2 CYLINDER. OP CHECK GOOD.
- [SDR NACA20050017](https://openairdocs.org/sdr/NACA20050017.md): Latch · damaged · Jul 12, 2005 · N2907F · Doug DC6 · Landing Gear Retraction/Extension System
  > LT MAIN GEAR WILL NOT STAY UP WITH GEAR SELECTOR IN NEUTRAL. REPLACED LATCH MECHANISM LINK ASSEMBLY. OPS CHECKED GOOD.
- [SDR NACA20050007](https://openairdocs.org/sdr/NACA20050007.md): Engine · making metal · Mar 3, 2005 · N2907F · Doug DC6 · Engine (Reciprocating)
  > NR 3 ENGINE SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY ON NR 10 CYLINDER. PRELIMINARY INSPECTION FOUND INTERNAL FAILURE OF THE NR 3 ENGINE. NR 3 ENGINE REPLACED.
- [SDR NACA20040061](https://openairdocs.org/sdr/NACA20040061.md): Carburetor · power loss · Sep 27, 2004 · N2907F · Doug DC6 · Fuel Control/Reciprocating Engines
  > NR 2 ENGINE SHUT DOWN DUE TO RUNNING ROUGH, HIGH FUEL FLOW AND LOW BMEP CHT COLD. REMOVED AND REPLACED CARBURETOR. LEAK AND OP CHECK GOOD.
- [SDR NACA20040040](https://openairdocs.org/sdr/NACA20040040.md): Carburetor · power loss · Sep 27, 2004 · N2907F · Doug DC6 · Fuel Control/Reciprocating Engines
  > NR 2 ENGINE SHUT DOWN DUE RUNNING ROUGH, HIGH FUEL FLOW, LOW BMEP AND COLD CHT. REMOVED AND REPLACED NR 2 ENGINE CARBURETOR. OP CHECKED GOOD.
- [SDR NACA20040017](https://openairdocs.org/sdr/NACA20040017.md): Spark Plug · cracked · Apr 7, 2004 · N2907F · Doug DC6 · Spark Plug/Igniter
  > NR 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER. REPLACED BOTH SPARK PLUGS ON NR 2 CYLINDER DUE TO CRACKED CERAMICS. CHECKED GOOD.
- [SDR NACA20040011](https://openairdocs.org/sdr/NACA20040011.md): Intake Pipe · ruptured · Feb 12, 2004 · N2907F · Doug DC6 · Engine Air Intake System
  > NR 4 ENGINE BACKFIRING ON FINAL AND UPON LANDING. ENGINE SHUT DOWN AFTER LANDING. REPLACED NR 4 ENGINE, NR 15 & 16 Y-PIPE DUE TO BEING RUPTURED. CHECKED GOOD ON RUN.
- [SDR NACA20040005](https://openairdocs.org/sdr/NACA20040005.md): Cam · failed · Jan 11, 2004 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE SHUTDOWN DUE TO DOUBLE SHORTED SECONDARY ON NR 5 & 13 CYLINDERS. REPLACED NR 1 ENGINE DUE TO REAR CAM FAILURE. CHECKED GOOD.
- [SDR NACA20030116](https://openairdocs.org/sdr/NACA20030116.md): Engine · making metal · Oct 14, 2003 · N2907F · Doug DC6 · Engine (Reciprocating)
  > NR 3 ENGINE SHUT DOWN DUE TO LOSS OF BMEP. ENGINE MAKING METAL, REPLACED ENGINE.
- [SDR NACA20030106](https://openairdocs.org/sdr/NACA20030106.md): Spark Plug · cracked · Aug 9, 2003 · N2907F · Doug DC6 · Spark Plug/Igniter
  > NR 4 ENGINE SHUT DOWN DUE TO BACK FIRING AT CRUISE POWER, AUTO RICH. REPLACED NR 6 CYLINDER SPARK PLUGS. CHECKED GOOD.
- [SDR NACA20030105](https://openairdocs.org/sdr/NACA20030105.md): Cylinder · cracked · Aug 7, 2003 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE SHUT DOWN DUE TO NR 17 CYLINDER LOW COMPRESSION ON PATTERNS. REPLACED NR 17 CYLINDER. OP CHECKED GOOD.
- [SDR NACA20030104](https://openairdocs.org/sdr/NACA20030104.md): Spark Plug · fouled · Aug 2, 2003 · N2907F · Doug DC6 · Spark Plug/Igniter
  > NR 4 ENGINE, NR 17 CYLINDER BOTH PLUGS SHOWING LOW COMPRESSION PATTERNS. REPLACED NR 2 & NR 9 CYLINDER FRONT & REAR PLUGS DUE TO FOULING. CHECKED GOOD.
- [SDR NACA20030100](https://openairdocs.org/sdr/NACA20030100.md): Spark Plug · cracked · Aug 2, 2003 · N2907F · Doug DC6 · Spark Plug/Igniter
  > NR 4 ENGINE SHUT DOWN DUE TO NR 2 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 4 ENGINE NR 2 CYLINDER FRONT AND REAR SPARK PLUGS.
- [SDR NACA20030093](https://openairdocs.org/sdr/NACA20030093.md): Cylinder · failed · Jul 16, 2003 · N2907F · Doug DC6A · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE WOULD NOT TAKE A LEAN. DOUBLE SHORTED SECONDARY. REPLACED NR 4 ENGINE NR 16 CYLINDER.
- [SDR NACA20030089](https://openairdocs.org/sdr/NACA20030089.md): Skin · cracked · May 29, 2003 · N2907F · Doug DC6 · Fuselage Main, Plate/Skin
  > RIGHT FUSELAGE HAS LAP SEAM CORROSION AND CRACK COMING OUT OF RIVET HOLE AT STA R170 LONGERON 20. INSTALLED DOUBLER PER NAC DRAWING NAC011 SCENARIO 1.
- [SDR NACA20030088](https://openairdocs.org/sdr/NACA20030088.md): Spar · corroded · May 29, 2003 · N2907F · Doug DC6 · Wing Spar
  > DISCREPANCY: REAR SPAR CORRODED L351 TO 399 UPPER AND LOWER CAPS AND WEB. SPLICED IN NEW SECTION OF AFT SPAR WEB FROM LT WING STA. 361 TO STA. 393 IAW O/H MANUAL 13-10 FIG. 13-4.
- [SDR NACA20030084](https://openairdocs.org/sdr/NACA20030084.md): Pressure Switch · false indication · May 3, 2003 · N2907F · Doug DC6A · Fuel Pressure Indicating
  > FUEL PRESSURE LIGHT ILLUMINATED DURING TAKEOFF ROLL. REPLACED NR 2 ENGINE FUEL PRESSURE WARNING SWITCH.
- [SDR NACA20030068](https://openairdocs.org/sdr/NACA20030068.md): Cylinder · cracked · Jan 17, 2003 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > DISCREPANCY: #1 engine precationary shut down for excessive vibration.CORRECTIVE ACTION: Replaced #1 engine #2 cylinder. (Cracked head).
- [SDR NACA20020064](https://openairdocs.org/sdr/NACA20020064.md): Cylinder · cracked · Dec 23, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 1 ENGINE PRECAUTIONARY SHUT DOWN FOR EXCESSIVE OIL CONSUMPTION AND NR 16 CYLINDER SHORTED SECONDARY. REPLACED NR 1 ENGINE, NR 9 CYLINDER.
- [SDR NACA20020062](https://openairdocs.org/sdr/NACA20020062.md): Cylinder · cracked · Dec 18, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > PRECAUTIONARY SHUT DOWN ON NR 1 ENGINE DUE TO EXCESSIVE OIL CONSUMPTION. REPLACED NR 1 ENGINE NR 5 CYLINDER.
- [SDR NACA20020059](https://openairdocs.org/sdr/NACA20020059.md): Downlock Switch · intermittent · Nov 14, 2002 · N2907F · Doug DC6A · Landing Gear Position and Warning
  > RIGHT MAIN GEAR INDICATOR DOES NOT SHOW DOWN AND LOCKED. REPLACED RIGHT MAIN DOWN LOCK SWITCH. OP CHECKED GOOD.
- [SDR NACA20020058](https://openairdocs.org/sdr/NACA20020058.md): Gland Nut · loose · Nov 6, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE PRECAUTIONARY SHUT DOWN DUE TO THE LOWER INBOARD SIDE OF THE ENGINE PRODUCING A STEADY STREAM OF BLUE SMOKE. TIGHTENED THE NR 4 ENGINE, NR 15 CYLINDER EXHAUST PUSH ROD TUBE GLAND NUT, LEAK CHECK GOOD.
- [SDR NACA20020054](https://openairdocs.org/sdr/NACA20020054.md): Downlock Switch · intermittent · Nov 1, 2002 · N2907F · Doug DC6 · Landing Gear Position and Warning
  > DISCREPANCY: RIGHT MAIN GEAR SHOWED GEAR UNSAFE CONDITION (UP INDICATION PLUS RED LIGHT). RECYCLED GEAR AND THE UNSAFE CONDITION WENT AWAY.CORRECETIVE ACTION: REPLACED DOWN LOCK SWITCH, OP CHECK GOOD.
- [SDR NACA20020055](https://openairdocs.org/sdr/NACA20020055.md): Gasket · loose · Oct 16, 2002 · N2907F · Doug DC6 · Reciprocating Engine Oil System
  > NR 3 ENGINE SHUT DOWN ON GROUND AFTER LANDING DUE TO OIL LOSS. RESEALED AND RETORQUED OIL PRESSURE RELIEF VALVE, LEAK CHECK GOOD.
- [SDR NACA20020047](https://openairdocs.org/sdr/NACA20020047.md): Cylinder · cracked · Sep 13, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > LOW BMEP "95" ON NR 4 ENGINE. REPLACED NR 1 CYLINDER ON NR 4 ENGINE.
- [SDR NACA20020046](https://openairdocs.org/sdr/NACA20020046.md): Distributor · damaged · Sep 12, 2002 · N2907F · Doug DC6 · Magneto/Distributor
  > NR 3 ENGINE, SEVERAL OPEN PRIMARIES ON L1 CIRCUIT. REPLACED LT DISTRIBUTOR.
- [SDR NACA20020048](https://openairdocs.org/sdr/NACA20020048.md): Spark Plug · cracked · Sep 1, 2002 · N2907F · Doug DC6 · Spark Plug/Igniter
  > NR 4 ENGINE, NR 2 CYLINDER SHOWS A DOUBLE SHORTED SECONDARY, ENGINE BACKFIRING WHEN LEANED. REPLACED NR 13 CYLINDER FRONT AND REAR SPARK PLUGS ONCE ENGINE ANYLIZER TIMING CORRECTED.
- [SDR NACA20020024](https://openairdocs.org/sdr/NACA20020024.md): Filler · chipped · May 22, 2002 · N2907F · Doug DC6 · Wing, Plate/Skin
  > LT WING L/E FILLER REPAIR CHIPPING OUT, TOP STA 240. FABRICATED AND INSTALLED SCARF PATCH PER DOUGLAS OHM FIG 13-34.
- [SDR NACA20020023](https://openairdocs.org/sdr/NACA20020023.md): Stringer · cracked · May 14, 2002 · N2907F · Doug DC6 · Wing, Longeron/Stringer
  > RT LOWER WING, STRINGER 23 CRACKED AT AT STA 325, JUST FORWARD OF ACCESS PANEL (UNDER DOVETAIL). FABBED AND INSTALLED REPAIR DOUBLER PER DRAWING NAC2002-05.
- [SDR NACA20020018](https://openairdocs.org/sdr/NACA20020018.md): Cylinder · leaking · May 7, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > FEATHERED THE NR 2 ENGINE DUE TO OIL LOSS. REPLACED AND RESEALED NR 1 EXHAUST PUSH ROD HOUSING. RESEALED AND RETORQUED NR 1 EXHAUST SIDE BAFFLE STUD. REPLACED ROCKER ARM THRUST WASHER. BORESCOPED NR 1 COMPRESSION CHAMBER OF HEAD FOR PRECAUTIONARY PURPOSES,
- [SDR NACA20020011](https://openairdocs.org/sdr/NACA20020011.md): Cylinder · cracked · Mar 24, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > NR 4 ENGINE FEATHERED AT 0507Z, (BACKFIRING AND RUNNING ROUGH). REPLACED NR 16 CYLINDER.
- [SDR NACA20020005](https://openairdocs.org/sdr/NACA20020005.md): Cylinder · cracked · Feb 15, 2002 · N2907F · Doug DC6 · Reciprocating Engine Cylinder Section
  > FEATHERED NR 4 ENGINE, BACKFIRING, WON'T TAKE A LEAN. REPLACED THE NR 18 CYLINDER.
- [SDR NACA20020003](https://openairdocs.org/sdr/NACA20020003.md): Spark Plug · cracked · Jan 24, 2002 · N2907F · Doug DC6 · Spark Plug/Igniter
  > SHUTDOWN THE NR 1 ENGINE DUE TO RAPID CHT CLIMB AND DOUBLE SHORT NR 11 CYLINDER. REPLACED BOTH SPARK PLUGS.

Next page: https://openairdocs.org/deregistered/N2907F-2013-08-08/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 = 'N2907F' AND deregistration_id = 'N2907F-2013-08-08'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N2907F-2013-08-08/reports

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