Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
April 12, 2021
Submitted
May 5, 2021
Operation
Air carrier
Aircraft
N8614M
Make and model
Boeing 7378H4
Aircraft serial
36908
Aircraft time
28,118 hours, 12,391 cycles
Part
Floor Support
Condition
Cracked
Location
Fwd Cabin
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

FWD CABIN WET AREA FLOOR STRUCTURE; STA 317; RBL30; UPPER FLANGE OF INNERCOSTAL; CRACKED THROUGH FASTENER HOLE. / REMOVED CRACKED INTER COSTAL AT BS 317 RBL 30 AND REPLACED WITH NEW INTER COSTAL PART 141A5410U12 IAW SRM 51-40-02 AND BOEING DRAWING 141A5400 REV - NEW INTER COSTAL WAS DRILLED IAW SRM 51-40-05 AND CIC WAS APPLIED IAW SRM 51-21-91-620-802

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