Service difficulty report · Crossbeam · Boeing 7377H4

Difficulty date
June 15, 2026
Submitted
July 2, 2026
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
71,185 hours, 42,615 cycles
Part
Crossbeam
Condition
Cracked
Location
Zone 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

CRACK FOUND ON PANEL BREAK ANGLE AT STA 540 FROM LBL 24.82 - LBL.07. NO ALLOWABLE DAMAGE PARTS THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02 STEP 9C. REMOVED AND REPLACED PANEL BREAK ON DISCREPANCY AREA ITEM 143A5240-63 LOT#1651172-1 IAW SRM 51-40-05; SRM 5140-02 AND DWG 143A0060 ID: 0036 REV A.

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