# SDR SRAA970420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N918SJ](https://openairdocs.org/aircraft/N918SJ), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4208
- System (JASC): [6122 · Propeller Governor](https://openairdocs.org/jasc/6122)
- Part: Valve Housing
- Part number: 582855
- Condition: Bearing Failed
- Location: Nr 4 Prop Gov
- Component: Hamstd, 54H60117
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SRAA970420

## Discrepancy

SHUTDOWN OF NR 4 ENGINE DUE TO SUSPECTED DECOUPLE APPROX 30 MIN.  AFTER TAKEOFF FROM  LCK.  RETURNED TO LCK AND LANDED WITHOUT INCIDENT.  FOUND NO DECOUPLE CONDITION, NR 4 PROPELLER VALVE HOUSING ASS'Y HAD FAILED BEARING.  REPLACED NR 4 PROP AND VALVE HOUSING ASS'Y AND FUNCTIONAL CHECKED PER SAT J/C 6101, 7101 AND 7101-2 AND RETURNED TO SERVICE.

---
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.