# Pratt & Whitney R-2800-79 - Type: Engine model (FAA registry) - Registry code: 51570 - Manufacturer (registry): P & W - Model: R-2800-79 - Engine type: Reciprocating - Power: 2,000 hp - Installed in: 3 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-r-2800-79 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (3) - [N26BP](https://openairdocs.org/aircraft/N26BP): [Tailwinds LLC](https://openairdocs.org/faa-owner/TAILWINDS%20LLC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1944, S/N 41-39359 - [N7079G](https://openairdocs.org/aircraft/N7079G): [Alien Invaders LLC](https://openairdocs.org/faa-owner/ALIEN%20INVADERS%20LLC), [Medina, WA](https://openairdocs.org/faa-place/WA/Medina), built 1944, S/N 28841 - [N99420](https://openairdocs.org/aircraft/N99420): [Invader Leasing LLC](https://openairdocs.org/faa-owner/INVADER%20LEASING%20LLC), [Kingsford, MI](https://openairdocs.org/faa-place/MI/Kingsford), built 1944, S/N 44-34104 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20160725011559I](https://openairdocs.org/incident/20160725011559I), Jul 25, 2016: Douglas B-26B (N99420), Oshkosh, WI, Minor damage. On July 25, 2016 at 1927 CDT NL99420 was landing 36L at Oshkosh Wittman Regional Airport (kosh) Oshkosh, WI after a 14 CFR 91 photo flight in VMC conditions.… - [Incident 19900306034449I](https://openairdocs.org/incident/19900306034449I), Mar 6, 1990: Doug A26CSHIELDS (N7079G), Daytona Beach, FL, Minor damage. Total hydraulic failure after departure. Returned. Hit a VASI light when exiting runway. ## Service difficulty reports (18) As reported by operators and repair stations, by the model named in the report. - [SDR CA040820005](https://openairdocs.org/sdr/CA040820005), Aug 18, 2004: CYLINDER. CRACKED. (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 MAINTENANC - [SDR CA040825008](https://openairdocs.org/sdr/CA040825008), Aug 12, 2004: ENGINE. FAILED. (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 - [SDR CA040708011](https://openairdocs.org/sdr/CA040708011), Jul 5, 2004: SEAL. FAILED. (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 TH - [SDR CA040519012](https://openairdocs.org/sdr/CA040519012), May 8, 2004: VALVE. LEAKING. (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 RE - [SDR CA030818005](https://openairdocs.org/sdr/CA030818005), Aug 18, 2003: EXHAUST VALVE. FAILED. (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 - [SDR CA030911003](https://openairdocs.org/sdr/CA030911003), Jul 30, 2003: PUSHROD TUBE. CHAFED. (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 H - [SDR CA030627004](https://openairdocs.org/sdr/CA030627004), Jun 5, 2003: EXHAUST VALVE. FAILED. (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 O - [SDR CA030527006](https://openairdocs.org/sdr/CA030527006), May 12, 2003: SPARK PLUG. LOOSE. (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 SECUR - [SDR CA030417009](https://openairdocs.org/sdr/CA030417009), Apr 16, 2003: BEARING. FAILED. (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 L - [SDR CA030415001](https://openairdocs.org/sdr/CA030415001), Apr 9, 2003: NUT. LOOSE. (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 - [SDR CA020626002](https://openairdocs.org/sdr/CA020626002), Jun 14, 2002: MAGNETO. WORN. (CAN) RT ENGINE BACKFIRING AND RUNNING ROUGH. ENGINE SHUTDOWN. AIRCRAFT RETURNED TO BASE. LT MAGNETO DISTRIBUTOR ROTOR REPLACED. RUN ON GROUND FOUND TO RUN SATI - [SDR CA020621003](https://openairdocs.org/sdr/CA020621003), Jun 10, 2002: MAGNETO. OUT OF ADJUST. (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), Apr 24, 2000: SPAR. CRACKED. (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 L - [SDR CA990804010](https://openairdocs.org/sdr/CA990804010), Jul 21, 1999: WIRE. SHORTED. (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), Aug 24, 1998: CYLINDER. CRACKED. (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 T - [SDR CA980629007](https://openairdocs.org/sdr/CA980629007), Jun 8, 1998: CYLINDER. CRACKED. (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-FLIG - [SDR CA970807050](https://openairdocs.org/sdr/CA970807050), Jul 1, 1997: CYLINDER. CRACKED. (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), May 31, 1997: PISTON. BROKEN. (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 HYDRA --- 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.