SDR SWAA2023021088580

Service difficulty report · Structure · Boeing 7377BD

Difficulty date: January 5, 2023
Submitted: February 10, 2023
Operation: Air carrier
Aircraft: N7748A
Make and model: Boeing 7377BD
Aircraft serial: 36399
Aircraft time: 49,386 hours, 25,198 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Structure
Condition: Cracked
Location: Zn 100 Fus Lower
Stage of operation: IN
How discovered: 9
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

CRACK ANGLE FLOOR STRUCTURE LOCATED BS 540 BTW BL 0 TO RBL 24.75 CENTER SECTION 2022-708625<[01] REPLACED ANGLE FLOOR STRUCTURE LOCATED BS 540 BTW BL 0 TO RBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02;DWG 143A0060 SHEET 46 REV - SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED ANGLE FLOOR STRUCTURE LOCATED BS 540 BTW BL 0 TO RBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02;DWG 143A0060 SHEET 46 REV - SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII

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