Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
October 11, 2023
Submitted
October 31, 2023
Operation
Air carrier
Aircraft
N8622A
Make and model
Boeing 7378H4
Aircraft serial
36919
Aircraft time
33,325 hours, 15,687 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 FLOOR CENTER WING BOX FLOOR SUPPORT BREAK CRACKED AT STA 540 RBL 1 WL 208.1<[01] INSTALLED MAIN CABIN FLOOR CENTER WING BOX FLOOR SUPPORT BREAK AT STA 540 RBL 1 WL 208.1. PART NUMBER 143A5240U34 AS PER SRM 51-40-02-0G-0.;[02] REMOVED AND REPLACED MAIN CABIN FLOOR CENTER WING BOX FLOOR SUPPORT BREAK PN 143A5240U34 AT STA 540 RBL 1 WL 208.1 AS PER SRM 51-40-02-0G-0; 51-40-05-0G-0.;[03] VERIFIED STEP 2. COMPLETE

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