Service difficulty report · Sidewall Support · Boeing 7378H4

Difficulty date
December 11, 2023
Submitted
January 10, 2024
Operation
Air carrier
Aircraft
N8557Q
Make and model
Boeing 7378H4
Aircraft serial
63582
Aircraft time
20,011 hours, 10,087 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] COMPLETED ALL WORK ON FAULT TTG8Q00Q7TR2;[02] CORROSION ON FLOOR TO SIDEWALL SUPPORT WAS FOUND TO BE OUT OF LIMITS REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT AS PER SRM 51-40-02 AND DRAWING 143A7500.;[03] VERIFIED.<BR>VERIFIED MEASUREMENTS.

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