Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
December 7, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
64,648 hours, 38,599 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 FWD CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS500A TO BS500D RBL22 WL156<[01] CORROSION ON FWD CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT FOUND OUT OF LIMITS. REMOVED; REPLACED AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AT BS 500A TO 500D RBL 22 WL 156 PER SRM 51-40-02-0G-0 AND DWG 143A7500.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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