SDR LR7A07057

Service difficulty report · Bolt · Lkheed 382G

Difficulty date
June 24, 2007
Submitted
June 29, 2007
Operation
Air carrier
Aircraft
N403LC
Make and model
Lkheed 382G
Aircraft serial
4590
Aircraft time
52,233 hours, 24,409 cycles
Engine
Allsn 501D22A
Part
Bolt
Part number
AN5H5
Condition
Sheared
Location
Drive Bracket
Stage of operation
DE
How discovered
O
Nature of condition
X
Precautionary procedure
E

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

What was found

NR 4 ENGINE FLAMED OUT DURING DESCENT. FOUND CONTROL DRIVE BRACKET (ANTI-ROTATION) BOLTS SHEARED, AND EXCESSIVE PLAY ON PUMP HOUSING GEAR. REPLACED DRIVE BRACKET BOLTS IAW HAMILTON STANDARD P5059 PG 1-402, REPLACED NR 4 PUMP HOUSING IAW HAMILTON STANDARD MM P5059 PG 1-338 - 1-340, REPLACED NR 4 VALVE HOUSING PRECAUTIONARY IAW LAC JC 61135, GROUND RUNS AND LEAK CHECKS SATISFACTORY.