Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
March 11, 2025
Submitted
April 10, 2025
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
62,840 hours, 37,603 cycles
Part
Sidewall Support
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 AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 RBL22 WL156 <[01]. AFT CARGO BAY FLOOR TO SIDEWALLL SUPPORT AT BS 727 TO BS 767 RBL 22 WL 156 FOUND TO BE OUT OF LIMITS; REMOVED AND REPLACED; NEW PART LOCATED; DRILLED AND INSTALLED IAW SRM 51-40-02-0G-0 AND DWG 146A7500 REV: A AND DWG 146A0061 REV: -.; [02] COMPLETE.

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