SDR SWAA2023031502021

Service difficulty report · Structure · Boeing 7377BD

Difficulty date: February 11, 2023
Submitted: March 15, 2023
Operation: Air carrier
Aircraft: N7745A
Make and model: Boeing 7377BD
Aircraft serial: 33933
Aircraft time: 49,824 hours, 25,581 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 STA 685 PLUS 7 INCH AND LBL 1 WL 208.1 AT PASSENGER CABIN 2023-119346<[01] REPLACED ANGLE FLOOR STRUCTURE STA 685 PLUS 7 INCH AND LBL 1 WL 208.1 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02;SRM 51-10-02 PARAGRAPH 9 AND DWG 273A9110 SHEET 6 REV A.SEE INDIVIDUAL SIGN OFF BELOW;[02] REPLACED ANGLE FLOOR STRUCTURE STA 685 PLUS 7 INCH AND LBL 1 WL 208.1 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02;SRM 51-10-02 PARAGRAPH 9 AND DWG 273A9110 SHEET 6 REV A.SEE INDIVIDUAL SIGN OFF BELOW

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