Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
June 12, 2025
Submitted
July 16, 2025
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 7377H4
Aircraft serial
34333
Aircraft time
64,981 hours, 38,949 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 100
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

CORROSION ON FLOOR STRUCTURE SUPPORT ZEE LOCATED BTW BS500 TO BS500B AT LEVEL S-26L WL156 AT FWD CARGO COMPARTMENT. REMOVED DAMAGE AND EVALUATED REWORK AREAS ON SUPPORT ZEE LOCATED BTW BS500 TO BS500B AT LEVEL S-26L WL 156 AT FWD CARGO COMPARTMENT AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2 PARAGRAPH 4.A(2)(A) FIGURE 103 DETAIL D SEE INDIVIDUAL SIGNS OFF BELOW.

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