Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
December 11, 2023
Submitted
January 5, 2024
Operation
Air carrier
Aircraft
N8557Q
Make and model
Boeing 7378H4
Aircraft serial
63582
Aircraft time
20,011 hours, 10,087 cycles
Part
Floor 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

CRACKED FLOOR SUPPORT AT BS 390 LBL 3 WL 208<[01] REMOVED FLOOR SUPPORT FROM BS 390 TO BS 400 WL 208 LBL 3 PER SRM 51-40-02-0G-01;[02] ALL STEPS COMPLETED REMOVED CRACKED FLOOR SUPPORT FROM BS 390 TO BS 400 WL 208 LBL 3 PER SRM 51-40-02-0G-01 LOCATED AND DRILLED NEW FLOOR SUPPORT AT BS 390 LBL 3 WL 208 PER SRM 51-40-05 BOEING DWG 143A5400 INSTALLED NEW FLOOR SUPPORT AT BS 390 LBL 3 WL 208 PER SRM 51-40-02 BOEING DWG 143A5400

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