Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
December 31, 2022
Submitted
January 19, 2023
Operation
Air carrier
Aircraft
N272WN
Make and model
Boeing 7377H4
Aircraft serial
32527
Aircraft time
52,973 hours, 31,748 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 294-312 Lbl11
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

CORRODED INTERCOSTAL, BS 294.5 - 312, LBL 11, WL 208. REMOVED DAMAGED INTERCOSTAL IAW SRM 51-40-02. LOCATED AND DRILLED A NEW INTERCOSTAL IAW SRM 51-40-05, AND DRAWING 141A5690. 100% OF ALL PERMANENT OR TEMPORARY FASTENERS HAVE BEEN INSTALLED WITH FAYING SURFACE SEALED. INSTALLED THE NEW INTERCOSTAL IAW SRM 51-40-02-0G-0, AND DWG 141A5690. CORROSION WAS OUT OF LIMITS IAW SRM 53-00-04-1A-1.

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