Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
July 10, 2025
Submitted
August 6, 2025
Operation
Air carrier
Aircraft
N912WN
Make and model
Boeing 7377H4
Aircraft serial
36621
Aircraft time
57,027 hours, 34,448 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

FLOOR TO SIDE WALL SUPPORT HAS CORROSION BTW BS 727E+13 AND BS 759; RBL 29; WL 157. REMOVED AND REPLACED ACB R/H FLOOR TO SIDEWALL SUPPORT FROM BS 727+4.04 TO BS 767 IAW SRM 51-40-02 AND DWG 146A7500 ID:0001 REV: B. REFER TASK (TTG8Q013NK43).

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