Service difficulty report · Spar Cap · Lkheed P3A

Difficulty date
March 21, 2006
Submitted
March 21, 2006
Operation
General aviation
Aircraft
N922A
Make and model
Lkheed P3A
Aircraft serial
151387
Aircraft time
12,531 hours
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
9010622
Condition
Corroded
Location
Wing
Part time
12,531 hours
Stage of operation
IN
How discovered
E
Nature of condition
O
Precautionary procedure
K

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

What was found

UPPER REAR SPAR CAP STRESS CORROSION CRACKED IN AFT RADIUS FORWARD OF NR 4 FLAP HANGER. DAMAGE CENTERED AT WS275. DAMAGE WAS INITIALLY DETECTED VISUALLY DURING SCHEDULED SPECIAL INSPECTION. DAMAGE WAS FURTHER EVALUATED WITH EDDY CURRENT INSPECTION AND WAS FOUND TO EXCEED THE PARAMETERS OF THE SRM. US TECHNICAL ENGINEERING HAS BEEN CONTRACTED TO GENERATE AN APPROVED REPAIR.