Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
November 2, 2022
Submitted
December 5, 2022
Operation
Air carrier
Aircraft
N954WN
Make and model
Boeing 7377H4
Aircraft serial
36669
Aircraft time
38,324 hours, 23,332 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 294
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

CORROSION ON INTERCOSTAL AT STA 294.5+6.5 AND STA 294.5+12.5; LBL 11.5; WL 208.1. CORROSION FOUND TO BE OUT LIMITS IAW SRM 53-10-51-1A-1, PARAGRAPH 1 B, ITEM 4, AND SRM 53-10-51-0L-2. REMOVED DAMAGED INTERCOSTAL FROM BS 294.5 TO BS 312 LBL 11.5 IAW SRM 51-40-02. LOCATED AND DRILLED NEW FWD CABIN INTERCOSTAL IAW SRM 51-40-05 AND DWG 141A5600. INSTALLED NEW FWD CABIN INTERCOSTAL IAW SRM 51-40-02 AND DWG 141A5600.

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