Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
October 28, 2023
Submitted
December 11, 2023
Operation
Air carrier
Aircraft
N8309C
Make and model
Boeing 7378H4
Aircraft serial
36985
Aircraft time
38,023 hours, 17,361 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

FLOOR STRUCTURE INTERCOSTAL CRACK; LOCATED AT BL 0.0 BWN STA.294.5 AND STA.277; WL 208<[01] INSTALLED NEW INTERCOSTAL AT BL 0.0 BWN STA.294.5 AND STA.277; WL 208 PER SRM 51-40-02-0G-0 AND DWG 141A5400.;[02] PART REPLACED; JOB COMPLETE.;[03] VERIFIED MEASUREMENTS TABLE.

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