# Service difficulty reports: Pratt & Whitney R-2800-79 A list on [Pratt & Whitney R-2800-79](https://openairdocs.org/engine/pratt-whitney-r-2800-79.md). Newest first. General aviation reporting is voluntary. - [SDR CA040820005](https://openairdocs.org/sdr/CA040820005.md): Cylinder · cracked · Aug 18, 2004 · Doug A26CSHIELDS · Reciprocating Engine Cylinder Section > (CAN) DURING A FOREST FIRE ACTION, THE PILOT NOTICED AN OIL LEAK COMING FROM THE TOP OF THE LT ENGINE. SHUT THE ENGINE DOWN AND RETURNED TO THE FIELD MAINTENANCE BASE WITH OUT INCIDENT. MAINTENANCE FOUND TWO CRACKED CYLINDERS. THEY CHANGED THE CYLINDERS AND G - [SDR CA040825008](https://openairdocs.org/sdr/CA040825008.md): Engine · failed · Aug 12, 2004 · Doug B26C · Engine (Reciprocating) > (CAN) ON TAKEOFF ROLL THE RT ENGINE STARTED TO BACKFIRE AND LOOSE POWER, AT 90 KTS THE TAKEOFF WAS ABORTED MIXTURES TO IDLE CUT OFF,THE LOAD WAS DUMPED. THE A/C WENT OFF THE END OF THE RUNWAY, AT 1000 FEET BEYOND THE RUNWAY THE A/C IMPACTED A DITCH. THE PILOT - [SDR CA040708011](https://openairdocs.org/sdr/CA040708011.md): Seal · failed · Jul 5, 2004 · Doug A26* · Reciprocating Engine Cylinder Section > (CAN) NR 1 ENGINE WAS RUNNING ROUGH AT CLIMB POWER ABOUT FOUR MINUTES AFTER TAKE OFF, THE ENGINE CONTINUED TO RUN ROUGH AT REDUCED POWER. THE PILOT SHUT DOWN THE ENGINEAND SECURED IT AND RETURNED TO BASE WITHOUT INCIDENT. MAINTENANCE FOUND TRACES OF OIL IN THE - [SDR CA040519012](https://openairdocs.org/sdr/CA040519012.md): Valve · leaking · May 8, 2004 · Doug A26BSHIELDS · Propeller Controlling System > (CAN) ON A TRAINING FLIGHT THE RT ENGINE WAS SHUT DOWN. DURING THE RESTART, THE RT PROP BEGAN TO OVERSPEED. THE CREW ACCOMPLISHED THE OVERSPEED PROCEDURE AND RETURNED TO BASE WITHOUT INCIDENT. MAINTENANCE FOUND IN TROUBLESHOOTING THE DISTRIBUTOR VALVE HAD O - [SDR CA030818005](https://openairdocs.org/sdr/CA030818005.md): Exhaust Valve · failed · Aug 18, 2003 · Doug B26C · Reciprocating Engine Cylinder Section > (CAN) ON APPROACH TO WHITE SMOKE WAS OBSERVED EXITING THE LT INBOARD EXHAUST STACK. THE ENGINE WAS SHUT DOWN AND SECURED, THE A/C LANDED WITHOUT INCIDENT. UPON INVESTIGATION THE NR 3 CYL. EXHAUST VALVE STEM HAD SEVERED AND WAS INGESTED INTO THE CYL. OIL SCREEN - [SDR CA030911003](https://openairdocs.org/sdr/CA030911003.md): Pushrod Tube · chafed · Jul 30, 2003 · Doug A26CSHIELDS · Reciprocating Engine Cylinder Section > (CAN) ON CLIMB OUT AFTER BOMB RUN OIL NOTICED ON NACELL OF RT ENGINE. PRECAUTIONARY ENGINE SHUT DOWN COMPLETED, A/C LANDED WITHOUT INCIDENT.BREASEWAY FOUND TO HAVE CHAFED SMALL HOLE IN CYLINDER NUMBER 15 EX. PUSH ROD TUBE. PUSH ROD TUBE REPLACED BREASEWAY SECU - [SDR CA030627004](https://openairdocs.org/sdr/CA030627004.md): Exhaust Valve · failed · Jun 5, 2003 · Doug B26C · Reciprocating Engine Cylinder Section > (CAN) DURING CRUISE FLIGHT OIL WAS NOTICED COMING FROM THE RT ENGINE. THE ENGINE WAS SHUTDOWN AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE EXHAUST VALVE ON NR 5 CYLINDER HAD FAILED. - [SDR CA030527006](https://openairdocs.org/sdr/CA030527006.md): Spark Plug · loose · May 12, 2003 · Doug B26C · Reciprocating Engine Cylinder Section > (CAN) DURING A TEST FLIGHT AFTER AN ENGINE CHANGE THE LT ENGINE BEGAN TO RUN ROUGH AT CRUISE POWER SETTINGS. AS A PRECAUTION, THE ENGINE WAS SHUT DOWN AND SECURED. AIRCRAFT LANDED WITHOUT INCIDENT. INVESTIGATION FOUND ONE SPARK PLUG BECAME LOOSE AND BACKED OU - [SDR CA030417009](https://openairdocs.org/sdr/CA030417009.md): Bearing · failed · Apr 16, 2003 · Doug A26BSHIELDS · Reciprocating Engine Power Section > (CAN) DURING A LOCAL TRAINING FLIGHT THE RT OIL TEMP WAS NOTICED TO BE ON THE RISE. THE OIL COOLER WAS OPENED HOWEVER THE TEMP CONTINUED TO RISE. A SHORT TIME LATER THE OIL PRESSURE BEGAN TO DROP ACCOMPANIED BY BLACK SMOKE FROM EXHAUST. ENGINE WAS SHUT DOWN - [SDR CA030415001](https://openairdocs.org/sdr/CA030415001.md): Nut · loose · Apr 9, 2003 · Doug A26BSHIELDS · Reciprocating Engine Cylinder Section > (CAN) AFTER TAKEOFF OIL/SMOKE WAS NOTICED COMING FROM RT ENGINE. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT LANDED WITHOUT INCIDENT. ROCKER JAM NUT FOUND BACKED OFF ON CYLINDER NR 2 INTAKE. - [SDR CA020626002](https://openairdocs.org/sdr/CA020626002.md): Magneto · worn · Jun 14, 2002 · Doug B26C · Magneto/Distributor > (CAN) RT ENGINE BACKFIRING AND RUNNING ROUGH. ENGINE SHUTDOWN. AIRCRAFT RETURNED TO BASE. LT MAGNETO DISTRIBUTOR ROTOR REPLACED. RUN ON GROUND FOUND TO RUN SATISFACTORY. - [SDR CA020621003](https://openairdocs.org/sdr/CA020621003.md): Magneto · out of adjust · Jun 10, 2002 · Doug B26C · Magneto/Distributor > (CAN) RT ENGINE SHUTDOWN IN FLIGHT, BACKFIRING IN CLIMB. INTERNAL TIMING FOUND TO BE OUT - TIMING ADJUSTED. GROUND RUN FOUND SERVICEABLE. - [SDR CA000501015](https://openairdocs.org/sdr/CA000501015.md): Spar · cracked · Apr 24, 2000 · Doug B26C · Wing Spar > (CAN) ON TAKEOFF THE PILOT HEARD A LOUD BANG. A VISUAL INSPECTION REVEALED NOTHING UNUSUAL AND HE CONTINUED THE FLIGHT. ON LANDING THE ENGINEER DISCOVERED THE LT REAR SPAR CRACKED COMPLETELY. FLEET NDT CAMPAIGN BEING CARRIED OUT. - [SDR CA990804010](https://openairdocs.org/sdr/CA990804010.md): Wire · shorted · Jul 21, 1999 · Doug B26B · Electrical Power System Wiring > (CAN) ON TAKEOFF, PILOT NOTICED SPARKS COMING FROM LOWER INSTRUMENT PANEL. MASTER SWITCH TURNED OFF, TAKEOFF ABORTED, WIRES REPAIRED. - [SDR CA980908011](https://openairdocs.org/sdr/CA980908011.md): Cylinder · cracked · Aug 24, 1998 · Doug B26C · Reciprocating Engine Cylinder Section > (CAN) AFTER FIRE BOMBING CARRIED OUT, PILOT WAS ADVISED THAT THE NR 2 ENGINE WAS SMOKING, PRECAUTIONARY SHUTDOWN WAS CARRIED OUT. POST-FLIGHT INSPECTION FOUND THE NR 5 CYLINDER WAS CRACKED AND LEAKING OIL. THE CYLINDER WAS REPLACED AND THE ENGINE TEST FLOWN S - [SDR CA980629007](https://openairdocs.org/sdr/CA980629007.md): Cylinder · cracked · Jun 8, 1998 · Doug A26CSHIELDS · Reciprocating Engine Cylinder Section > (CAN) WHILE RETURNING TO BASE AFTER FIRE BOMBING OPERATION, THE NR 2 ENGINE BEGAN TO BACKFIRE MILDLY. A PRECAUTIONARY ENGINE SHUTDOWN WAS CARRIED OUT. POST-FLIGHT INSPECTION FOUND NR 3 CYLINDER SPARK PLUG PEENED OVER. THE DAMAGED NR 3 CYLINDER WAS REMOVED A - [SDR CA970807050](https://openairdocs.org/sdr/CA970807050.md): Cylinder · cracked · Jul 1, 1997 · Doug A26CSHIELDS · Reciprocating Engine Cylinder Section > (CAN) NR2 ENGINE BEGAN TO RUN ROUGH WITH VIBRATIONS. ENGINE WAS SHUTDOWN AND AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION FOUND THE NR9 CYLINDER CRACKED. - [SDR CA970612010](https://openairdocs.org/sdr/CA970612010.md): Piston · broken · May 31, 1997 · Reciprocating Engine Cylinder Section > (CAN) ENGINE WAS SHUTDOWN IN FLIGHT DUE TO ROUGH RUNNING ENGINE. POST FLIGHT INSPECTION FOUND THE #8 CYLINDER PISTON BROKEN. THE SUBMITTER SUGGESTS THAT A HYDRAULIC LOCK PREVIOUSLY MAY HAVE CONTRIBUTED TO THIS FAILURE. ## 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 engine_model_key = 'R280079' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/pratt-whitney-r-2800-79/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.