Service difficulty report · Support Channel · Boeing 7377H4

Difficulty date
July 23, 2021
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N495WN
Make and model
Boeing 7377H4
Aircraft serial
33869
Aircraft time
56,617 hours, 33,403 cycles
Part
Support Channel
Condition
Cracked
Location
Bs 540 Bl0
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CABIN FLOOR SUPPORT CHANNEL CRACKED. REMOVED SUPPORT CHANNEL BS540 BLO.O - LBL25 IAW SRM 52-40-02. LOCATED ALL HOLES IN FLOOR SUPPORT CHANNEL IAW SRM 51-40-05-0G-0 AND DRAWING 143A5240 SHT. 4. INSTALLED NEW CABIN FLOOR SUPPORT CHANNEL IAW SRM 51-40-02 AND DWG 143A0060 SH 36.

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