SDR LR7A2016061400832

Service difficulty report · Frame · Lkheed 382G

Difficulty date: June 14, 2016
Submitted: June 16, 2016
Operation: Air carrier
Aircraft: N402LC
Make and model: Lkheed 382G
Aircraft serial: 4698
Aircraft time: 43,626 hours, 22,441 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Part number: LS401010
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: V
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

DURING SCHEDULED C-12 CHECK, WHILE PERFORMING OTHER MAINTENANCE, FOUND THE FS742.0E RING SEGMENT, FRAME, HAD STRESS CORROSION CRACKING WHERE THE CHINE ANGLE ATTACHES, WL140-WL143, LBL65. REPLACED FRAME SECTION FROM WL140 TO WL200. REPAIR BY REPLACEMENT ACCOMPLISHED IAW SRM CH51-60 AND 51-70.