# Pratt & Whitney R-985-5

- Type: Engine model (FAA registry)
- Registry code: 51638
- Manufacturer (registry): P & W
- Model: R-985-5
- Engine type: Reciprocating
- Power: 350 hp
- Installed in: 1 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-r-985-5

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 (1)

- [N14999](https://openairdocs.org/aircraft/N14999): [Eastern Stearman Inc Trustee](https://openairdocs.org/faa-owner/EASTERN%20STEARMAN%20INC%20TRUSTEE), [Leesburg, VA](https://openairdocs.org/faa-place/VA/Leesburg), built 1938, S/N 1252

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (2)

As reported by operators and repair stations, by the model named in the report.

- [SDR TQ0A20070005](https://openairdocs.org/sdr/TQ0A20070005), May 25, 2007: SUPERCHARGER. MAKING METAL. ENGINE LOST SOME POWER ON DESCENT, ONCE THE PLANE LANDED, PILOT REPORTED A METAL TO METAL SOUND. ONCE MAINTENANCE ARRIVED A LARGE AMOUNT OF OIL WAS SEEN AT THE 
- [SDR 99ZZZX3303](https://openairdocs.org/sdr/99ZZZX3303), Jun 18, 1999: CYLINDER. CRACKED. NR 2 CYLINDER CRACK APPROXIMATELY 300 DEGREE CIRCUMFERENCE ON 3RD FIN AREA BELOW SPARK PLUG HOLE. AIRCRAFT HAD A SLIGHT CYLINDER HEAD INCREASE WHICH ALERTED THE

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