Service difficulty report · Crossbeam · Boeing 7377Q8

Difficulty date
December 21, 2025
Submitted
January 15, 2026
Operation
Air carrier
Aircraft
N7874B
Make and model
Boeing 7377Q8
Aircraft serial
29352
Aircraft time
62,497 hours, 34,976 cycles
Part
Crossbeam
Condition
Cracked
Location
Zn 200
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

CRACKED BRAKE PANEL FLOOR STRUCTURE BS540 AND BTW RBL24.82 TO BL0 AT PASSENGER CABIN. REPLACED BRAKE PANEL FLOOR STRUCTURE BS540 AND BTW RBL24.82 TO BL0 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; SRM 51-10-02 STEP 9 AND DWG 143A0060 SHEET 36 REV.A MEASURE OF CRACK IS: 1.680 INCHES.

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