Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
January 17, 2026
Submitted
February 4, 2026
Operation
Air carrier
Aircraft
N947WN
Make and model
Boeing 7377H4
Aircraft serial
36924
Aircraft time
50,403 hours, 30,825 cycles
Part
Sidewall Support
Part number
146A750251
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 ON AFT CARGO FLOOR TO SIDEWALL SUPPORT AT BS 727A - 767, RBL 21, WL 155. REMOVED AND REPLACED THE FLOOR TO SIDEWALL SUPPORT LOT 1632871-1 FROM BS 727 - 767, RBL 21, WL 155 IAW SRM 51-40-02-0G-0, & DWG 146A7500, REV -.

More about the Boeing 737-7H4