SDR SRAA970516

Service difficulty report · Valve Housing · Lkheed 382G

Difficulty date: May 24, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N906SJ
Make and model: Lkheed 382G
Aircraft serial: 4477
System (JASC): 6120 · Propeller Controlling System
Part: Valve Housing
Part number: 582855
Condition: Defective
Location: Nr 4 Prop
Stage of operation: CR
Nature of condition: J
Precautionary procedure: E

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING FLIGHT 527 FROM LERT TO LEMO, NR 4 PROPELLER RPM DECAYED TO 975, SHUT DOWN ENGINE AS PRECAUTIONARY AND LANDED WITHOUT INCIDENT. FOUND NR 4 PROPELLER VALVE HOUSING DEFECTIVE, REPLACED VALVE HOUSING IAW SAT J/C'S 6101, 6101-1, AND PERFORMED ENGINE RUN PER J/C 7101, 7102-2.