Service difficulty report · Valve · Lkheed 382G

Difficulty date
August 8, 2015
Submitted
August 11, 2015
Operation
Air carrier
Aircraft
N407LC
Make and model
Lkheed 382G
Aircraft serial
5225
Aircraft time
9,101 hours, 5,773 cycles
Propeller
Hamstd 54H60117
Part
Valve
Part number
582855
Part serial
C8852
Condition
Failed
Location
Propeller
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
E

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

What was found

DURING SCHEDULED FLIGHT, WHILE PERFORMING REINDEXING PROCEDURE, NR 1 ENGINE RPM DROPPED TO 97 PERCENT THEN INCREASED TO APPROXIMATELY 103 PERCENT AT WHICH TIME ENGINE WAS SHUTDOWN. REPLACED PROP VALVE HOUSING IAW HN61135.