Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
June 12, 2019
Submitted
June 18, 2019
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
41,428 hours, 24,654 cycles
Part
Floor Support
Part number
143A5400
Condition
Cracked
Location
Bs 500d-520
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

PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL UPPER CHORD CRACKED BETWEEN BS. 500D TO BS. 520, BL 0. / R&R CHORD IAW SRM, AMM, & DWG.

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