SDR LR7A2025030303737

Service difficulty report · Stiffener · Lkheed 382G

Difficulty date: March 3, 2025
Submitted: March 4, 2025
Operation: Air carrier
Aircraft: N405LC
Make and model: Lkheed 382G
Aircraft serial: 5025
Aircraft time: 45,744 hours, 20,796 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Part number: 7075T60063
Condition: Cracked
Location: Zone 100
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-14 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND AFT FUSELAGE STIFFENER CRACKED AT LOWER ATTACHMENT TO SLOPING LONGERON AT FS743, RBL63, WL142. / REPAIR BY REPLACEMENT ACCOMPLISHED IAW LOCKHEED SMP583 SRM, CH. 51-60 & 51-70. NR# 0529.