Service difficulty report · Support · Boeing 7378H4

Difficulty date
September 19, 2023
Submitted
October 12, 2023
Operation
Air carrier
Aircraft
N8555Z
Make and model
Boeing 7378H4
Aircraft serial
63600
Aircraft time
19,194 hours, 9,554 cycles
Part
Support
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

MAIN CABIN CENTER WING BOX FLOOR SUPPORT BREAK CRACKED AT STA 540 RBL 2 WL 208.1<[01] REMOVED DAMAGE FLOOR SUPPORT BREAK AT MAIN CABIN CENTER WING BOX REF B 737 SRM 51-40-02;[02] REMOVED AND REPLACED MAIN CABIN CENTER WING BOX FLOOR SUPPORT BREAK AT STA 540 RBL 2 WL 208.1 AS PER 51-40-02-0G-0;[03] VERIFIED STEP 1 AND 2

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