Service difficulty report · Sidewall Support · Boeing 7378H4

Difficulty date
February 6, 2024
Submitted
March 4, 2024
Operation
Air carrier
Aircraft
N8563Z
Make and model
Boeing 7378H4
Aircraft serial
64172
Aircraft time
19,968 hours, 10,090 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Bs 500a-500i
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 BS500I RBL22 WL156<[01] EVALUATED CORROSION ON R/H FLOOR TO SIDEWALL SUPPORT BS 500A TO BS 500I IN NUMEROUS 1'X1' AREAS FOUND DEEPEST LOCATION TO BE AT BS 500E+10 RBL 23 WL 156 FOUND 0.015 REMOVED FROM ORIG 0.040 FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ATS 2678 DUE 05/2024;[02] VERIFIED CORRECTIVE ACTIONS STEP 1.

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