Service difficulty report · Sidewall Support · Boeing 7378H4

Difficulty date
July 23, 2026
Submitted
August 26, 2026
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
39,269 hours, 19,358 cycles
Part
Sidewall Support
Part number
143A7501188
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 FOUND ALONG RT SIDE OF FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT, WL 156, BS 500A+7 - 500D+2. R & R THE SIDEWALL SUPPORT BTWN BS 500A TO BS 500I IAW SRM 51-40-02, & DWG 143A7500 REV -.

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