Service difficulty report · Support Bracket · Boeing 7377H4

Difficulty date
June 16, 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
Support Bracket
Condition
Cracked
Location
Zone 100
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 IN THE UPPER SUPPORT BRACKET ON THE BULKHEAD AT BS 663, RBL 52, WL 165. REMOVED AND REPLACED VAPOR BARRIER SUPPORT CHANNEL BS 663 RBL 54 TO RBL 70 IAW SRM 51-40-02-0G-0 AND DWG 111A1001 REV-.

More about the Boeing 737-7H4