SDR DLL10951620

Service difficulty report · Frames · Lkheed 10113851

Difficulty date: April 20, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N712DA
Make and model: Lkheed 10113851
Aircraft serial: 193C1088
System (JASC): 5311 · Fuselage Main, Frame
Part: Frames
Condition: Cracked
Location: Fuselage
Stage of operation: IN
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 SPECIAL INSPECTION, CRACKS WERE FOUND IN MAIN FUSELAGE FRAMES AT RIGHT SIDE FS 569, 649, 669, 689, 769, 1625, 1685, 1705. LEFT SIDE AT FS 1023, 1063, 1343, 1665, 1705. ALL CRACKS WERE AT WL 280. THESE CRACKS WERE FOUND AS A RESULT OF A SPECIAL INSPECTION FOR AIRCRAFT WITH 22,000 CYCLES AND HIGHER. THIS IS THE FIRST TIME CRACKS WERE FOUND AT THESE LOCATIONS ON DL AIRCRAFT.