Service difficulty report · Sidewall Support · Boeing 7378

Difficulty date
October 26, 2023
Submitted
November 14, 2023
Operation
Air carrier
Aircraft
N8715Q
Make and model
Boeing 7378
Aircraft serial
42570
Aircraft time
13,037 hours, 5,794 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 BS500I RBL22 WL156<[01] VERIFIED STEP 1 COMPLETE; STEP 2;3 IN PARTIAL.;[02] VERIFIED STEP 4 COMPLETE.;[03] EVALUATED CORROSION ON FCB RH FLOOR TO SIDEWALL SUPPORT; FOUND TO BE OUT OF LIMITS; IAW 53-00-53-1A-2. REMOVED DAMAGED FCB RH FLOOR TO SIDEWALL SUPPORT; RECEIVED NEW FLOOR TO SIDEWALL SUPPORT; LOCATED AND DRILLED; IAW SRM 51-40-05; AND INSTALLED FCB RH FLOOR TO SIDEWALL SUPPORT. BS500A TO 500I; RBL22 IAW SRM 51-40-02-0G-0. DWG 143A7500.;[04] FINAL INSPECTION. JOB COMPLETE.

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